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Air Curtain Burner Operator and Maintenance FAQ

Operating, maintenance and specification answers for owners and renters of Air Burners FireBox and BurnBoss machines, McPherson M40E burners, and the Hatz and Kubota engines that power them. Planning a project? Start with the Air Curtain Incinerator FAQ.

Air curtain burner and excavator burning land-clearing debris

223 questions in 4 sections. Section 1 is open; select any question to read its answer.

1
Section 1 · Questions 1–36

Air Burners FireBox and BurnBoss Specifications

36 questions
1

What are the overall dimensions (L x W x H) of the S223 above-ground air curtain burner?

The overall size of the S223 is 33' 3" x 8' 6" x 8' 6".

2

What are the firebox dimensions (L x W x H) of the S223 air curtain burner?

The firebox dimensions for the S223 are 22' 11" x 6' 2" x 7' 1".

3

What is the total weight of the S223 air curtain burner?

The total weight of the S223 is 40,250 lbs.

4

What is the fuel consumption rate of the S223 air curtain burner in gallons per hour?

The fuel consumption rate of the S223 is 2.0 gal/hr.

5

What is the average throughput capacity of the S223 air curtain burner in tons per hour?

The average throughput capacity of the S223 is 7-9 tons/hr.

6

What are the complete technical specifications for the S223 above-ground air curtain burner?

For model S223: Overall Size: 33' 3" x 8' 6" x 8' 6"; Firebox Size: 22' 11" x 6' 2" x 7' 1"; Weight: 40,250 lbs.; Fuel Consumption: 2.0 gal/hr.; Average Throughput: 7-9 tons/hr.

7

What are the overall dimensions (L x W x H) of the S220 above-ground air curtain burner?

The overall size of the S220 is 30' 1" x 8' 6" x 8' 6".

8

What are the firebox dimensions (L x W x H) of the S220 air curtain burner?

The firebox dimensions for the S220 are 19' 8" x 6' 2" x 7' 1".

9

What is the total weight of the S220 air curtain burner?

The total weight of the S220 is 36,650 lbs.

10

What is the fuel consumption rate of the S220 air curtain burner in gallons per hour?

The fuel consumption rate of the S220 is 2.0 gal/hr.

11

What is the average throughput capacity of the S220 air curtain burner in tons per hour?

The average throughput capacity of the S220 is 5-7 tons/hr.

12

What are the complete technical specifications for the S220 above-ground air curtain burner?

For model S220: Overall Size: 30' 1" x 8' 6" x 8' 6"; Firebox Size: 19' 8" x 6' 2" x 7' 1"; Weight: 36,650 lbs.; Fuel Consumption: 2.0 gal/hr.; Average Throughput: 5-7 tons/hr.

13

What are the overall dimensions (L x W x H) of the S119 above-ground air curtain burner?

The overall size of the S119 is 27' 3" x 7' 2" x 7' 4".

14

What are the firebox dimensions (L x W x H) of the S119 air curtain burner?

The firebox dimensions for the S119 are 19' x 5' x 6'.

15

What is the total weight of the S119 air curtain burner?

The total weight of the S119 is 30,100 lbs.

16

What is the fuel consumption rate of the S119 air curtain burner in gallons per hour?

The fuel consumption rate of the S119 is 1.9 gal/hr.

17

What is the average throughput capacity of the S119 air curtain burner in tons per hour?

The average throughput capacity of the S119 is 3-5 tons/hr.

18

What are the complete technical specifications for the S119 above-ground air curtain burner?

For model S119: Overall Size: 27' 3" x 7' 2" x 7' 4"; Firebox Size: 19' x 5' x 6'; Weight: 30,100 lbs.; Fuel Consumption: 1.9 gal/hr.; Average Throughput: 3-5 tons/hr.

19

What are the overall dimensions (L x W x H) of the S116 above-ground air curtain burner?

The overall size of the S116 is 24' 7" x 7' 2" x 7' 4".

20

What are the firebox dimensions (L x W x H) of the S116 air curtain burner?

The firebox dimensions for the S116 are 16' x 5' x 6'.

21

What is the total weight of the S116 air curtain burner?

The total weight of the S116 is 27,500 lbs.

22

What is the fuel consumption rate of the S116 air curtain burner in gallons per hour?

The fuel consumption rate of the S116 is 1.9 gal/hr.

23

What is the average throughput capacity of the S116 air curtain burner in tons per hour?

The average throughput capacity of the S116 is 2-4 tons/hr.

24

What are the complete technical specifications for the S116 above-ground air curtain burner?

For model S116: Overall Size: 24' 7" x 7' 2" x 7' 4"; Firebox Size: 16' x 5' x 6'; Weight: 27,500 lbs.; Fuel Consumption: 1.9 gal/hr.; Average Throughput: 2-4 tons/hr.

25

What are the overall dimensions (L x W x H) of the T28 above-ground air curtain burner?

The overall size of the T28 is 17' 10" x 8' 5" x 5' 8".

26

What are the firebox dimensions (L x W x H) of the T28 air curtain burner?

The firebox dimensions for the T28 are 12' x 4' x 4'.

27

What is the total weight of the T28 air curtain burner?

The total weight of the T28 is 15,350 lbs.

28

What is the fuel consumption rate of the T28 air curtain burner in gallons per hour?

The fuel consumption rate of the T28 is 1.1 gal/hr.

29

What is the average throughput capacity of the T28 air curtain burner in tons per hour?

The average throughput capacity of the T28 is 1/2-1 tons/hr.

30

What are the complete technical specifications for the T28 above-ground air curtain burner?

For model T28: Overall Size: 17' 10" x 8' 5" x 5' 8"; Firebox Size: 12' x 4' x 4'; Weight: 15,350 lbs.; Fuel Consumption: 1.1 gal/hr.; Average Throughput: 1/2-1 tons/hr.

31

What are the overall dimensions (L x W x H) of the T26 above-ground air curtain burner?

The overall size of the T26 is 21' 8" x 7' 8" x 6' 8".

32

What are the firebox dimensions (L x W x H) of the T26 air curtain burner?

The firebox dimensions for the T26 are 12' x 4' x 4'.

33

What is the total weight of the T26 air curtain burner?

The total weight of the T26 is 17,500 lbs.

34

What is the fuel consumption rate of the T26 air curtain burner in gallons per hour?

The fuel consumption rate of the T26 is 1.1 gal/hr.

35

What is the average throughput capacity of the T26 air curtain burner in tons per hour?

The average throughput capacity of the T26 is 1/2-1 tons/hr.

36

What are the complete technical specifications for the T26 above-ground air curtain burner?

For model T26: Overall Size: 21' 8" x 7' 8" x 6' 8"; Firebox Size: 12' x 4' x 4'; Weight: 17,500 lbs.; Fuel Consumption: 1.1 gal/hr.; Average Throughput: 1/2-1 tons/hr.

2
Section 2 · Questions 37–84

McPherson M40E Operation and Maintenance

48 questions
37

What is the model name and equipment type covered by this operator's manual?

M40E Waste Burner / Refractory Lined Pit Burner.

38

Who manufactures the M40E Waste Burner?

McPherson Systems, Inc., located in Tifton, Georgia.

39

What is the phone number and email address for McPherson Systems, Inc.?

Phone: (229) 386-2367; Email: mcsales@mcphersys.com.

40

What are the office hours for McPherson Systems, Inc. customer support?

8:00 A.M. to 5:00 P.M. EST, Monday through Friday.

41

What warning is given to operators prior to starting the M40E machine?

Caution: Read Owner's Manual before operation; do not start the machine unless you understand these instructions, as failure to read this manual could result in personal injury and/or equipment and property damage.

42

What should happen to the operator's manual if the M40E is sold?

This manual is a permanent part of the machine and should remain with the machine should you decide to sell it.

43

What is the operating principle of the M40E Refractory Lined Pit Burner?

It creates and maintains a uniform curtain of air across the top of a refractory lined pit in which burning is done, prohibiting smoke from leaving the pit and increasing burning efficiency by adding oxygen.

44

What are the typical operating temperatures inside the refractory lined pit during burning?

Operating temperatures in the pit run between 1800�F and 2200�F.

45

Why are tractor or forklift tire stops not needed for M40E operation?

Because the refractory lined pit is constructed above ground level.

46

What kind of waste materials is the machine designed to burn?

All non-treated wastes.

47

Under what weather conditions can the M40E machine be operated properly?

Only when the weather is clear; rain or low clouds are not suitable conditions for burning.

48

What should an operator do if wind gusts occur during burning operations?

Stop loading the pit and allow the machine to operate until the fire has burned down.

49

How full should the pit be loaded with waste before cold ignition?

Load the pit 1/2 full with waste.

50

How much accelerant is used for cold ignition, and where should it be poured?

Douse the waste with 1 pint of fuel oil or diesel fuel, putting the majority of the oil on the waste at the front center side of the pit.

51

What types of ignition fluids are strictly prohibited?

Do NOT use highly volatile solvents such as mineral spirits, gasoline, etc. for ignition.

52

What agency should be contacted regarding local restrictions on accelerants?

Call your local EPA office for clarification, as some states do not allow the use of accelerants.

53

When should the air supply fan be introduced during a cold start?

Allow sufficient time for the fire to take hold before introducing any air from the air supply.

54

At what fan speed should the fan initially be set as the fire grows in intensity?

Turn the fan on at approximately 1100 RPM until ignition is uniform across the pit (usually 10 to 15 minutes).

55

What restriction must be observed regarding material height when loading the pit?

Ensure that no material protrudes above the air curtain when loading the pit.

56

When is the air supply fan turned on fully during the loading sequence?

Turn on the air supply fan after the fire has ignited across the pit.

57

Under what condition can the accelerant and manual lighting steps be omitted during start-up?

Steps 2 & 3 can be omitted if the pit has enough coals remaining from burning the day before.

58

Why must the fan be started differently when relighting hot coals from the previous day?

It will be necessary to introduce air from the fan before burning can start.

59

How far in advance of the desired shutdown must pit loading stop?

Approximately 2 hours before shut down is desired, stop loading the pit with material.

60

Why must the air supply fan remain running during the shutdown process?

To ensure the air curtain remains active and allows the remaining material to burn down in the pit.

61

When should the air supply be turned off during shutdown?

Turn off the air supply when the fire inside the pit has completely burned out.

62

When is it safe to unload ashes from the pit?

Allow ashes to cool before unloading them from the pit.

63

Why is regular ash removal required?

Ash removal is required in order to maintain efficient and proper combustion.

64

What is the maximum permissible level of ash buildup in the pit?

Ashes should not be allowed to build up higher than 1/3 the pit depth, or to the point where they begin to impede combustion and blow out of the pit, whichever occurs first.

65

What preparation is required before removing ashes from the pit?

Ashes should be saturated with water for cooling and dust control before removal.

66

How deep should wet ashes be spread after removal to ensure complete cooling?

Spread them out approximately 6 to 12 inches deep to allow total cooling to take place before final disposal.

67

Which components on the M40E require daily greasing?

Main Fan Bearings (2 locations per fan), Underfire Blower (2 locations), and Midfire Blower (2 locations).

68

How many lubrication points are on the main fan bearings daily?

2 locations per fan.

69

How many lubrication points are on the underfire and midfire blowers daily?

2 points on the Underfire Blower and 2 points on the Midfire Blower.

70

Which components require weekly greasing on the M40E?

Idler arm bushing (1 per fan).

71

Which components require monthly greasing on the M40E?

Bottom doors (12 locations).

72

When should the door hinges be greased on the M40E?

Hinges should be greased before the doors open.

73

What is the warranty coverage period for the M40E pit burner?

One year, beginning with the date of sale of the pit burner by McPherson Systems, Inc.

74

What failures are covered under the McPherson Systems warranty?

Any failure of the Product which results, under normal use and service, from a defect in material or workmanship (Warrantable Failure).

75

What items are explicitly excluded from warranty coverage?

Belts and service items are not covered by the warranty.

76

What are McPherson Systems' responsibilities during a warrantable failure?

McPherson Systems will furnish all parts and labor needed to repair the damage to the product resulting from the Warrantable Failure.

77

What are the owner's responsibilities for maintaining the warranty?

The owner is responsible for the operation and maintenance of the burner as specified in the operator's manual.

78

What procedure must the owner follow before the warranty expires to claim repairs?

The owner must notify McPherson Systems, Inc. of any Warrantable Failure and have the failure repaired by an official warranty facility.

79

What hours and phone number are available to locate official warranty service centers?

Call 1-229-386-2367 from 9:00 A.M. to 5:00 P.M. EST, Monday through Friday.

80

Who pays for maintenance items replaced during warranty repairs?

The owner is responsible for the cost of maintenance items replaced during warranty repairs, unless such items are not reusable due to Warrantable Failure.

81

Who is responsible for communication and freight expenses during a warranty claim?

The owner is responsible for communication expenses and similar costs; all warrantable items are F.O.B. Tifton, Georgia.

82

Is McPherson Systems, Inc. liable for downtime expenses, cargo damage, or incidental damages?

No; the owner is responsible for non-product repairs, downtime expenses, cargo damage, and all business costs and losses. McPherson Systems is not responsible for incidental or consequential damages.

83

What action voids the warranty on the M40E?

The warranty is void and nonbinding if, at the time of failure, the product is determined to have been modified so as to alter its operating characteristics.

84

How are components not manufactured by McPherson Systems warranted?

Components not manufactured by McPherson Systems, Inc. are subject to the warranty imposed by the manufacturer of that component.

3
Section 3 · Questions 85–154

Hatz 4H50TIC Engine

70 questions
85

What type of engine is the Hatz 4H50TIC?

It is a liquid-cooled four-stroke diesel engine with direct injection. (Page 21, Paragraph 1 / Table 'Type')

86

How many cylinders does the Hatz 4H50TIC have?

The 4H50TIC has 4 cylinders. (Page 21, Paragraph 1 / Table 'Number of cylinders')

87

What are the bore and stroke dimensions of the 4H50TIC?

The bore is 84 mm and the stroke is 88 mm. (Page 21, Paragraph 1 / Table 'Bore/Stroke')

88

What is the total displacement of the 4H50TIC engine?

The displacement is 1.951 liters. (Page 21, Paragraph 1 / Table 'Displacement')

89

What is the normal operating engine oil pressure range for the 4H50TIC?

The oil pressure is 2.5 bar to 4.5 bar. (Page 21, Paragraph 1 / Table 'Engine oil pressure')

90

What is the direction/sense of rotation of the engine?

Left (counterclockwise), viewing toward the flywheel. (Page 21, Paragraph 1 / Table 'Sense of rotation')

91

How is the tappet / valve clearance adjusted on the 4H50TIC?

It features automatic hydraulic valve adjustment and is completely maintenance-free. (Page 21, Paragraph 1 / Table 'Tappet clearance')

92

What is the maximum permissible continuous tilt position of the 4H50TIC?

For HATZ cooler with integrated expansion tank: cooler low is 20°, other parts 30°. For HATZ cooler with external expansion tank: 30° continuous (or up to 40° for a maximum of 7 hours, after which the engine must be returned to horizontal and switched off for at least 5 minutes). (Page 21, Paragraph 1 & Footnotes 1-2)

93

What are the battery capacity requirements for the 4H50TIC?

12 V - 110 Ah / 760 A (EN) / 800 A (SAE), or 24 V - 66 Ah / 510 A (EN) / 540 A (SAE). (Page 21, Paragraph 1 / Table 'Battery capacity')

94

What does the abbreviation TIC designate in the model 4H50TIC?

TIC designates an engine equipped with a turbocharger, charge air cooling (intercooler), cooled exhaust gas recirculation (EGR), and diesel oxidation catalyst (DOC). (Page 22, Paragraph 1 / Table 'Engine specifications')

95

Does the 4H50TIC have a Diesel Particulate Filter (DPF)?

No, the 4H50TIC has a DOC and EGR, but does not include a DPF (the model with DPF is the TICD). (Page 22, Paragraph 1 / Table 'Engine specifications')

96

What is the engine oil capacity of the 4H50TIC during an oil change with filter?

Depending on the sump depth/contour: for h=118 mm it is 7.0 liters; for h=149 mm it is 7.3 liters; for h=148 mm it is 9.0 liters. (Page 22, Paragraph 2 / Table 'Engine oil capacities')

97

What is the difference in oil quantity between the MIN and MAX dipstick markings on the 4H50TIC?

The difference between MIN and MAX is 1.0 liter. (Page 22, Paragraph 2 / Table 'Engine oil capacities')

98

What is the coolant filling capacity for the 4H50TIC?

Approximately 13.7 liters with an external expansion tank, or 14.7 liters with an integrated expansion tank. (Page 23, Paragraph 1 / Table 'Coolant filling quantities')

99

What is the bare weight and equipped weight of the 4H50TIC engine?

Without operating fluids: 173 kg for standard engine (without cooler), 255 kg for OPU (Open Power Unit), and 354 kg for the Silent Pack version. (Page 23, Paragraph 2 / Table 'Weights')

100

What is the engine oil consumption limit for the 4H50TIC after the running-in period?

Max. 0.5% of fuel consumption, pertaining to full load. (Page 21, Paragraph 1 / Table 'Engine oil consumption')

101

What is the internal Hatz engine type number for the 4H50TIC?

The engine type number is 136. (Page 26, Paragraph 2 / Table 'Engine type number')

102

What is the tightening torque for the oil drain screw?

58 Nm. (Page 24, Paragraph 1 / Table 'Screw tightening torque')

103

What is the tightening torque for the engine cooler and charge air cooler drain screws?

50 Nm each. (Page 24, Paragraph 1 / Table 'Screw tightening torque')

104

What is the tightening torque for the protective guard screws (M10) on the TIC specification?

30 Nm. (Page 24, Paragraph 1 / Table 'Screw tightening torque')

105

What is the tightening torque for the screws on the breather cap of the crankcase ventilation?

4 Nm. (Page 24, Paragraph 1 / Table 'Screw tightening torque'; and Page 116, Step 6)

106

What oil quality specification is required for the 4H50TIC?

Because the 4H50TIC is equipped with a DOC, it requires 'low SAPS' oil meeting ACEA E6 or E8 (recommended), ACEA E9 or E11, ACEA C3/C4 (HTHS >= 3.5 mPas), or API CK-4 / CJ-4. (Page 27, Paragraph 1-2)

107

Why must 'low SAPS' engine oil be used in the 4H50TIC?

Unsuitable engine oil with higher sulfate ash, phosphor, and sulfur diminishes the functionality and service life of the catalytic converter (DOC). (Page 27, Paragraph 2, CAUTION box)

108

What engine oil viscosities are approved across operating temperature ranges?

0W/30 (-40°C to +30°C), 0W/40 (-40°C to +45°C), 5W/30 (-30°C to +30°C), 5W/40 (-30°C to +45°C), 10W/40 (-20°C to +45°C), and 15W/40 (-15°C to +40°C). (Page 27, Diagram 'Oil viscosity')

109

What is the recommended factory coolant for Hatz engines?

Mitan C12+ (5 liters container, Hatz order no. 0000 055 413 00). (Page 29, Paragraph 1 / Table 'Recommended cooler coolant')

110

What are the permissible mixing ratios of coolant fluid to water?

Min. 40 vol% coolant / 60 vol% water (frost-resistant to -24°C) to max. 50 vol% coolant / 50 vol% water (frost-resistant to -36°C). Exceeding 50 vol% degrades cooling action and frost protection. (Page 31, Paragraph 3 & Page 32, Table)

111

What water quality limits apply when mixing coolant concentrate?

Max. water hardness 20 °dGH (3.6 mmol/l), max. chloride content 100 ppm, max. sulfate content 100 ppm. Demineralized or distilled water is ideal. (Page 31, Paragraph 3 & Page 32, Table)

112

What types of diesel fuel are permitted for the 4H50TIC?

Europe: EN 590 or EN 15940 (paraffinic diesels: XTL, BTL, GTL, HVO, e-Fuels, CTL); UK: BS 2869 A1/A2; USA: ASTM D 975-09a 1-D S15 or 2-D S15 (Ultra Low Sulfur Diesel only); Japan: JIS K 2204 (max HFRR 520 um). (Page 32, Paragraph 2-3)

113

Can standard high-sulfur diesel be used in the 4H50TIC?

No. Engines equipped with DOC require Ultra Low Sulfur Diesel (e.g. S15) to prevent catalytic converter failure. (Page 25, Item 5 & Page 32, Paragraph 2)

114

What fuel should be used below 0°C?

Cold-resistant winter diesel fuel should be used for outside temperatures below 0°C to prevent fuel gelling/waxing. (Page 33, Paragraph 2)

115

Where is the engine type plate located on the 4H50TIC?

The engine type plate is affixed to the crankcase on the intake/starter side. (Page 25, Paragraph 1 & Page 36, Item 12)

116

How is the engine serial number broken down?

Position 1: Engine type number (e.g. 136); Position 2: Engine serial number; Position 3: Model year; Position 4: Consecutive fabrication number. (Page 26, Paragraph 1)

117

Where are the engine lifting eyes located and what rule applies when lifting?

They are attached at the top of the cylinder block/head (2 or 3 lifting eyes). All lifting eyes must always be used simultaneously with a hoist of sufficient capacity at a minimum chain/sling length of 780 mm. (Page 38, Item 1 & Pages 55, 57-58)

118

What electronic sensors and actuators are installed on the 4H50TIC?

Crankshaft speed sensor, air filter differential pressure sensor, rail pressure sensor, rail pressure control valve, EGR valve, coolant level sensor, coolant temperature sensor, charge air pressure and temperature sensor, camshaft sensor, low fuel pressure and fuel temperature sensor, water-in-fuel sensor, oil pressure and temperature sensor, metering unit on high-pressure pump, and ambient pressure sensor (in ECU). (Pages 43-45, Items 1-19)

119

What fuse ratings are used on the 4H50 central electrics board?

F1: Signal inputs for control unit (5 A); F2: Fuel pump (10 A); F3: Glow plugs (40 A); F4: Voltage supply for control unit (15 A); F5: Ignition terminal 15 (10 A); F6: Starter terminal 50 (30 A); F7: Ignition terminal 15 additional consumers (4 A); F8: Voltage converter on 24 V system (15 A). (Page 46, Table 'Central electrical system')

120

What minimum engine load is required during continuous operation?

Engine load must be maintained at at least 15% to avoid impairing running characteristics; prolonged zero/very low load must be followed by a brief period of higher load before shutoff. (Page 66, CAUTION box)

121

Is the use of starting fluid (e.g. ether) permitted on the 4H50TIC?

No. Starting fluid must never be used because uncontrolled ignition can cause severe engine damage. (Page 67, CAUTION box)

122

What is the maximum duration for a single starting attempt with the starter?

A starting attempt must last a maximum of 30 seconds. If the engine does not start, turn the key back to '0' and eliminate the cause. (Page 68, NOTICE box)

123

When does the pre-glow indicator light up on the Hatz Smart Panel?

It lights up at engine temperatures below 30°C. You should only start the engine after the indicator goes out. (Page 49, Table row 4)

124

What should the operator do before switching off the engine after operating at high load?

Allow the engine to idle / cool down for approximately 5 minutes at reduced speed and load to prevent damage from heat accumulation. (Page 70, CAUTION box)

125

What procedure must be followed when using a battery main disconnect switch?

Wait at least 30 seconds after switching the engine off before turning off the battery main switch, allowing the ECU time to save data and finish internal processes. (Page 71, NOTICE box)

126

What occurs when the engine goes into 'Emergency Operation' mode?

The available torque is reduced and the maximum speed is limited to 1900 rpm. The engine must only be run briefly to move the machine out of danger. (Page 50, Paragraph 2)

127

How is the fuel system vented/bled on the 4H50TIC?

Turn starting key to 'I' without starting; the electric fuel pump runs for approx. 30 seconds. Turn key to '0' and repeat this cycle several times until air is purged, then start the engine. (Page 63-64, Section 6.6)

128

Why must continuous-running engines be shut off for at least 30 seconds during refueling?

The ECU tests continuity of the water-in-fuel sensor wiring only on startup. Power cycling ensures the wiring and sensor are properly diagnosed. (Page 75, NOTICE box)

129

What checks must be carried out daily or every 8 to 15 operating hours?

Check engine oil level, check combustion air intake area, check cooler fins for contamination, and check the cooling system for proper level and leaks. (Page 83, Table 'Daily checks')

130

What maintenance tasks are required after the initial 50 operating hours of a new or rebuilt 4H50TIC?

Change engine oil and oil filter, and check all accessible screw connections for tightness. (Page 83, Table 'Initial service')

131

What is the routine maintenance interval for oil and fuel filter replacement?

Every 500 operating hours or at least every 12 months, whichever comes first. (Page 84, Table 'Routine service' & Footnote 2)

132

How often should the oil separator cartridge of the crankcase ventilation be replaced?

Every 500 operating hours or every 12 months. (Page 84, Table 'Routine service' & Page 115, Section 8.2.12)

133

How often should the poly v belt be checked and replaced on models with a three-phase alternator?

Checked every 500 operating hours / 12 months; replaced as necessary, but at the latest every 3,000 operating hours. (Page 84-85, Tables & Pages 104-108)

134

How often should the poly v belt be replaced on models without a three-phase alternator?

Every 4,000 operating hours. (Page 85, Table 'Routine service' & Page 114, Section 8.2.11)

135

What is the coolant replacement interval for the 4H50TIC?

Every 4 years. (Page 85, Table 'Routine service' & Page 125, Section 8.2.18)

136

How often must the EGR main radiator be cleaned on the 4H50TIC?

Every 4,000 operating hours (to be performed by trained technicians). (Page 85, Table 'Routine service' & Footnote 6)

137

How often must the charge air cooler (intercooler) be drained on the 4H50TIC?

Every 500 operating hours or every 12 months. (Page 84, Table 'Routine service' & Page 128, Section 8.2.19)

138

What are the factory vibration frequency setting values for the poly v belt tension?

New belt: 210 Hz (+10 Hz); belt after maintenance interval: 150 Hz (+10 Hz); minimum permissible tension: 125 Hz. (Page 107, Table 'Setting values for the belt tension')

139

What is the factory default password to reset the service interval indicator on the Hatz Smart Panel?

The default factory password is 2354. (Page 130, Step 4)

140

How should the primary air filter cartridge be serviced and how often must it be replaced?

Checked every 500 hours or when indicated; can be blown out with dry compressed air (max 5 bar) from inside out only once; must be replaced at least every 12 months. (Pages 84, 123-125, Section 8.2.17)

141

When must the secondary (safety) air filter cartridge be replaced?

It cannot be cleaned. It must be replaced after every 5th replacement of the primary filter, but no later than every 2 years. (Page 85, Footnote 4 & Page 124, Step 4)

142

What is the tightening torque for the plastic screw cap on the main fuel filter housing?

25 Nm. (Page 121, Diagram & Page 122, Step 10)

143

Why must main fuel filters always be installed dry without prefilling?

Fuel filters must be installed dry and not prefilled to prevent unfiltered contaminants and dirt particles from entering and damaging the high-pressure common rail injection system. (Page 120, CAUTION box)

144

How is water drained from the main fuel filter / water separator?

Place container under the drain socket, open drain screw (and vent screw if flow is slow) until clear diesel fuel emerges after water, then tighten screws. (Pages 116-117, Section 8.2.14)

145

Are cylinder head screws and injection system screws permitted to be retightened during maintenance?

No. Adjusting screws on the injection system are sealed with locking varnish and must not be touched, and cylinder head screws must not be retightened. (Page 116, Section 8.2.13, Safety note)

146

What do the diagnostic trouble code abbreviations SPN, FMI, and OC mean?

SPN = Suspect Parameter Number (error signal parameter); FMI = Failure Mode Identifier (error type); OC = Occurrence Count (error frequency). (Page 135, Paragraph 5)

147

What are the cable cross-section requirements when jump-starting (start support)?

For 12-volt systems: minimum 50 mm²; for 24-volt systems: minimum 35 mm². (Page 137, Paragraph 2, WARNING box)

148

What is the correct cable connection and disconnection sequence for jump starting?

Connection sequence: 1 (positive to discharged) -> 2 (positive to booster) -> 3 (negative to booster) -> 4 (negative to discharged). Disconnection sequence is the exact reverse: 4 -> 3 -> 2 -> 1. (Pages 138, 140, Steps 3 & 7)

149

Can a battery charger with a Boost fast-charge function be used as start support?

No. Do not use a charger unit with Boost function because electrical and ECU components could be destroyed by overvoltage. (Page 137, WARNING box)

150

What are common causes if the engine loses power/speed and emits black smoke?

Dirty air filter unit, faulty turbocharger or leaking intercooler/intake hoses, or malfunctioning fuel injectors. (Page 134, Table row 2)

151

What precautions must be observed during welding on the machine?

Disconnect the battery, connect the welding ground clamp as close as possible to the welding zone, and disconnect the plug connectors to the ECU and alternator voltage regulator. (Page 19, Paragraph 3)

152

What special fuel measure is required when storing the engine for 3 to 12 months?

Drain the tank until nearly empty, refill with FAME-free (biodiesel-free) diesel, and run the engine for a few minutes so only FAME-free fuel remains in the system. (Page 142, Step 1)

153

What are the permissible ambient storage conditions for the 4H50TIC?

Storage temperature between -25°C and +60°C, maximum relative humidity of 70%, and protected from direct sunlight. (Page 142, Paragraph 2)

154

Why might smoke appear briefly when a brand-new 4H50TIC is started for the very first time?

Exposed metal engine parts are factory coated with protective anti-corrosion wax that evaporates upon heating during initial startup. (Page 66, CAUTION box)

4
Section 4 · Questions 155–223

Kubota V3300 Engine

69 questions
155

Which Kubota engine models are covered in this workshop manual?

Kubota Diesel Engine models V3300-E2B (naturally aspirated) and V3300-T-E2B (turbocharged). (Page 153/Cover, Title; Page 155/To The Reader, Paragraph 1)

156

What does the 'E2B' designation signify in the Kubota V3300 engine model name?

E2B identifies engines designed to comply with Tier 2 / Phase 2 exhaust emission regulations, distinguishing them from earlier Tier 1 / Phase 1 engines. (Page 168/G-2, Section [2] 'E2B ENGINE', Paragraph 1-3)

157

Where is the engine model name and serial number located on the Kubota V3300?

It is stamped on the crankcase on the fuel injection pump side. (Page 167/G-1, Section [1], Diagram & Text)

158

How is the manufacturing date determined from the Kubota engine serial number?

The first character (number or letter) designates the year (e.g., 3=2003, 4=2004, D=2013), and the following letter designates the month and serial range (e.g., A=January for #0001-9999, B=January for #10000+). (Page 167-168/G-1 to G-2, Section [1], Tables & Example)

159

How are the cylinder numbers numbered on the Kubota V3300 engine?

Numbered No.1, No.2, No.3, and No.4 starting from the gear case (front) side towards the flywheel side. (Page 168/G-2, Section [3] 'CYLINDER NUMBER', Paragraph 1)

160

What is the firing order of the Kubota V3300 engine?

The firing order is 1-3-4-2. (Page 160/Specifications, Table row 'Firing Order')

161

What is the direction of engine rotation for the Kubota V3300?

Counter-clockwise when viewed from the flywheel side. (Page 160/Specifications, Table row 'Direction of Rotation')

162

What is the total displacement, bore, and stroke of the Kubota V3300 engine?

Bore x Stroke is 98 x 110 mm (3.86 x 4.33 in.), and total displacement is 3318 cm³ (202.53 cu.in.). (Page 160/Specifications, Table rows 'Bore x Stroke' and 'Total Displacement')

163

What are the SAE net continuous and intermittent power ratings for V3300-E2B and V3300-T-E2B?

V3300-E2B: Continuous 44.1 kW / 2600 rpm (59.1 HP), Intermittent 50.7 kW / 2600 rpm (68.0 HP). V3300-T-E2B: Continuous 53.8 kW / 2600 rpm (72.1 HP), Intermittent 61.9 kW / 2600 rpm (83.0 HP). (Page 160/Specifications, Table rows 'SAE Net Continuous' & 'SAE Net Intermittent')

164

What is the compression ratio of the V3300-E2B and V3300-T-E2B engines?

22.6 for the naturally aspirated V3300-E2B, and 21.8 for the turbocharged V3300-T-E2B. (Page 160/Specifications, Table row 'Compression Ratio')

165

What are the maximum and minimum bare idling speeds of the V3300 engine?

Maximum bare speed is 2800 rpm; minimum bare idling speed is 700 to 750 rpm. (Page 160/Specifications, Table rows 'Maximum' and 'Minimum Bare Idling Speed')

166

What is the dry weight of the Kubota V3300-E2B and V3300-T-E2B engines?

V3300-E2B weighs 241 kg (531 lbs); V3300-T-E2B weighs 250 kg (551 lbs). (Page 160/Specifications, Table row 'Weight (Dry)')

167

What are the overall dimensions (length, width, height) of the V3300-E2B and V3300-T-E2B?

V3300-E2B: Length 786.2 mm (30.95 in.), Width 563.5 mm (22.19 in.), Height 745 mm (29.33 in.). V3300-T-E2B: Length 786.2 mm (30.95 in.), Width 563.5 mm (22.19 in.), Height 793.2 mm (31.23 in.). (Page 163/Dimensions, Diagrams & Dimensions)

168

What combustion chamber design is used on the Kubota V3300 engine?

Spherical Type E-TVCS VERSION-II (Three-dimensional Environmental TVCS) with improved combustion surface at the top of the piston. (Page 160/Specifications, Table; Page 205/M-1, Para 2; Page 207/M-3, Section [4])

169

How many valves per cylinder does the Kubota V3300 engine have?

Three valves per cylinder: two intake valves with double ports and one exhaust valve. (Page 205/M-1, Para 2; Page 207/M-3, Section [3], Para 1)

170

What design features are employed on the cylinder block of the V3300?

Separate type crankcases: Crankcase 1 (hanger type containing combustion part) and Crankcase 2 (supporting Crankcase 1 and reducing noise). It is a linerless cylinder design for efficient cooling and wear resistance. (Page 206/M-2, Section [1], Para 1)

171

What is the purpose of the half-floating head cover on the V3300?

Rubber packing maintains the head cover approximately 0.5 mm off the cylinder head, dampening vibration and reducing noise coming from the cylinder head. (Page 206/M-2, Section [2], Para 1)

172

What type of piston rings are used on the Kubota V3300?

Top ring: nitrizing steel keystone ring; Second ring: chrome-plated peripheral undercut ring; Oil ring: chamfered contact faces with coil expander ring. (Page 207/M-3, Section [4], Para 3-4)

173

Why is a built-in dynamic balancer installed on the V3300 (balancer models)?

Four-cylinder engines produce secondary reciprocating inertia; the built-in balance shafts/weights absorb secondary inertia to reduce vibration. (Page 208/M-4, Section [5], Para 1-2)

174

How does the bottom bypass cooling system operate on the V3300?

When coolant temperature is low, the thermostat remains closed and coolant circulates through a bypass pipe. Once opening temperature is reached, the thermostat fully opens and closes off the bypass passage, forcing all coolant through the radiator. (Page 211/M-7, Section [2], Para 1-3)

175

What is the flow control thermostat and what problem does it eliminate?

It features a notched valve design to prevent coolant temperature hunting (severe cycles of overshoot and undershoot) by regulating coolant flowrate in small, smooth increments. (Page 210/M-6, Section [1], Para 1-4)

176

What type of fuel injection pump and governor does the Kubota V3300 use?

A Bosch type mini pump combined with a mechanical all-speed governor with a separate governor shaft that rotates at twice the speed of conventional shafts for rapid load response. (Page 160/Specifications, Table; Page 212/M-8, Section [1], Para 1-4)

177

What is the function of the boost compensator on the turbocharged V3300-T-E2B?

It senses turbocharger boost pressure to control fuel rack position, preventing fuel oversupply and transient black smoke during acceleration and low-boost operation. (Page 215/M-11, Section [1], Para 1-3)

178

What is the total lubricating oil capacity of the Kubota V3300 engine?

13.2 liters (3.49 U.S. gallons). (Page 160/Specifications, Table row 'Lubricating Oil Capacity'; Page 176/G-10, Table)

179

What API classification of engine oil is recommended for the V3300?

Class CF engine oil is recommended. Classes CD, CE, CF-4, and CG-4 can also be used depending on fuel sulfur content. (Page 160/Specifications, Table row 'Lubricating Oil'; Page 171/G-5, Table & Notes)

180

Which engine oil viscosity (SAE grade) should be selected based on ambient temperature?

Above 25°C (77°F): SAE30, SAE10W-30, or SAE10W-40. 0°C to 25°C (32°F to 77°F): SAE20, SAE10W-30, or SAE10W-40. Below 0°C (32°F): SAE10W, SAE10W-30, or SAE10W-40. (Page 176/G-10, Section 'Changing Engine Oil', Table)

181

What is the engine oil and oil filter change interval?

Initial change after 50 operating hours, then every 250 hours thereafter (or every 500 hours for filter cartridge under standard conditions). (Page 170/G-4, Maintenance Check List; Page 176/G-10; Page 177/G-11)

182

What is the factory specification and allowable limit for engine oil pressure?

At idle speed: factory specification / allowable limit is 49 kPa (0.5 kgf/cm², 7 psi). At rated speed: factory spec is 196 to 392 kPa (2.0 to 4.0 kgf/cm², 28 to 57 psi); allowable limit is 147.1 kPa (1.5 kgf/cm², 21.3 psi). (Page 228/S-10, Table 'LUBRICATING SYSTEM'; Page 234/S-16, Para 3)

183

What is the opening / working pressure of the engine oil pressure switch?

39.2 to 58.8 kPa (0.4 to 0.6 kgf/cm², 5.6 to 8.4 psi). (Page 228/S-10, Table 'LUBRICATING SYSTEM')

184

What is the relief valve cracking pressure in the lubrication system?

885 kPa (9.04 kgf/cm², 129 psi). (Page 228/S-10, Table 'LUBRICATING SYSTEM')

185

What are the thermostat valve opening and fully open temperatures?

Valve opening temperature: 74.5 to 78.5 °C (166.1 to 173.3 °F). Completely open temperature: 90 °C (194 °F). (Page 228/S-10, Table 'COOLING SYSTEM'; Page 235/S-17, Para 3-5)

186

What type and concentration of antifreeze should be used in the V3300?

Permanent Type (PT) long-life coolant (LLC). Mixing ratio must be less than 50% (40% protects to -24°C / -12°F; 50% protects to -34°C / -37°F). (Page 181/G-15, Section 'Anti-Freeze', Table & Notes)

187

What is the recommended fan belt deflection and checking procedure?

Deflection of 10.0 to 12.0 mm (0.394 to 0.472 in.) when pressed halfway between alternator and fan drive pulley at 98 N (10 kgf / 22 lbs). Checked every 250 hours. (Page 174/G-8, Section 'Fan Belt Tension'; Page 228/S-10; Page 234/S-16)

188

What pressure is used to test radiator water tightness and radiator cap leakage?

Radiator water tightness: test at 137 kPa (1.4 kgf/cm², 20 psi). Radiator cap air leakage: hold at 88 kPa (0.9 kgf/cm², 13 psi); pressure drop must not fall below 59 kPa (0.6 kgf/cm², 9 psi) in 10 seconds. (Page 228/S-10; Page 235-236/S-17 to S-18)

189

What type of fuel is specified for the Kubota V3300 engine?

Diesel Fuel No. 2-D (ASTM D975). (Page 160/Specifications, Table row 'Fuel')

190

What is the factory injection pressure for the V3300 fuel injection nozzle?

13.73 to 14.71 MPa (140 to 150 kgf/cm², 1991 to 2134 psi). (Page 160/Specifications, Table; Page 185/G-19; Page 229/S-11; Page 238/S-20)

191

How is the fuel injection nozzle opening pressure adjusted?

By changing the thickness of the adjusting washer inside the nozzle holder. A 0.01 mm (0.0004 in.) washer variation changes pressure by approx. 235 kPa (2.4 kgf/cm², 34 psi). (Page 185/G-19, Para 3 & Reference; Page 238/S-20)

192

How is injection nozzle valve seat tightness verified?

Apply 12.75 MPa (130 kgf/cm², 1849 psi) fuel pressure with a nozzle tester for 10 seconds; no fuel leakage should be observed. (Page 186/G-20, Para 2-3; Page 229/S-11; Page 239/S-21)

193

What is the factory fuel injection timing for V3300-E2B and V3300-T-E2B?

V3300-E2B: 0.20 to 0.22 rad (11.5° to 12.5°) before T.D.C. V3300-T-E2B: 0.11 to 0.13 rad (6.5° to 7.5°) before T.D.C. (Page 160/Specifications; Page 229/S-11; Page 237/S-19, Table)

194

How is the fuel system bled on the Kubota V3300?

Fill tank, loosen air vent coupling bolt on fuel filter until bubbles clear and retighten; open air vent cock on top of injection pump, run electric feed pump or crank engine for 10-15 seconds, then securely close the air vent cock. (Page 174/G-8, Section 'When bleeding fuel system')

195

How often should the fuel filter cartridge be replaced?

Every 500 operating hours. (Page 170/G-4, Maintenance Check List; Page 177/G-11, Section 'Replacing Fuel Filter Cartridge')

196

What is the cylinder compression pressure and allowable limit for V3300-E2B and V3300-T-E2B?

V3300-E2B: Factory spec is 4.32 MPa at 250 rpm (44 kgf/cm², 626 psi); allowable limit is 3.26 MPa at 250 rpm (33.2 kgf/cm², 472 psi). V3300-T-E2B: Factory spec is 3.92 MPa at 250 rpm (40 kgf/cm², 569 psi); allowable limit is 2.99 MPa at 250 rpm (30.5 kgf/cm², 434 psi). Cylinder variance must be <= 10%. (Page 223/S-5; Page 233/S-15)

197

What is the cold valve clearance specification for intake and exhaust valves?

0.23 to 0.27 mm (0.0091 to 0.0106 in.) for both intake and exhaust valves measured cold. (Page 179/G-13, Table 'Valve clearance'; Page 224/S-6)

198

What is the allowable limit for cylinder head surface flatness?

Allowable limit is 0.05 mm (0.0020 in.). (Page 223/S-5, Table 'ENGINE BODY')

199

What is the piston top clearance for V3300-E2B and V3300-T-E2B?

V3300-E2B: 0.72 to 0.90 mm (0.0283 to 0.0354 in.). V3300-T-E2B: 0.92 to 1.10 mm (0.0362 to 0.0433 in.). (Page 223/S-5, Table 'ENGINE BODY')

200

What are the standard cylinder bore diameter and oversize cylinder bore diameter?

Standard cylinder bore I.D.: 98.000 to 98.022 mm (3.8582 to 3.8591 in.), allowable limit 98.15 mm (3.8642 in.). Oversize bore I.D.: 98.500 to 98.522 mm (3.8780 to 3.8788 in.), allowable limit 98.65 mm (3.8839 in.). (Page 227/S-9, Table 'ENGINE BODY')

201

What is the crankshaft journal and crankpin diameter and their oil clearance limits?

Crankshaft journal O.D. is 74.977 to 74.990 mm (2.9518 to 2.9524 in.), oil clearance 0.018 to 0.062 mm (limit 0.20 mm). Crankpin O.D. is 52.977 to 52.990 mm (2.0857 to 2.0862 in.), oil clearance 0.018 to 0.051 mm (limit 0.20 mm). (Page 227/S-9, Table 'ENGINE BODY')

202

What are the factory specifications and allowable limits for piston ring end gap?

Compression ring 1 & 2: 0.30 to 0.45 mm (0.0118 to 0.0177 in.), allowable limit 1.25 mm (0.0492 in.). Oil ring: 0.25 to 0.45 mm (0.0098 to 0.0177 in.), allowable limit 1.25 mm (0.0492 in.). (Page 227/S-9, Table 'ENGINE BODY')

203

What is the allowable crankshaft side clearance (end play)?

Factory specification is 0.15 to 0.31 mm (0.0059 to 0.0122 in.); allowable limit is 0.50 mm (0.0197 in.). (Page 227/S-9, Table 'ENGINE BODY')

204

How is the proper replacement cylinder head gasket thickness selected?

By measuring average piston head protrusion or recess from the cylinder block deck with a dial indicator. Gaskets are identified by notch code: 2 notches (0.80 mm compressed), 1 notch (0.90 mm compressed), or without notch (0.95 mm compressed). (Page 249/S-31, Table 'Selecting the Cylinder Head Gasket')

205

What is the tightening torque for the cylinder head screws on the Kubota V3300?

98.1 to 107.9 N-m (10.0 to 11.0 kgf-m, 72.3 to 79.6 ft-lbs). Apply engine oil to threads and seating faces before tightening. (Page 231/S-13, Table [2]; Page 248/S-30)

206

What is the tightening torque for the connecting rod cap screws?

78.5 to 83.4 N-m (8.0 to 8.5 kgf-m, 57.9 to 61.5 ft-lbs). Apply engine oil to threads and seating faces. (Page 231/S-13, Table [2])

207

What is the tightening torque for the flywheel mounting screws?

98.1 to 107.9 N-m (10.0 to 11.0 kgf-m, 72.3 to 79.6 ft-lbs). Apply engine oil to threads and seating faces. (Page 231/S-13, Table [2])

208

What is the tightening torque for the crankshaft center bolt (crankshaft screw)?

255.0 to 274.6 N-m (26.0 to 28.0 kgf-m, 188.1 to 202.5 ft-lbs). Apply engine oil to threads and seating face. (Page 231/S-13, Table [2])

209

What is the tightening torque for the main bearing case screws?

137.3 to 147.1 N-m (14.0 to 15.0 kgf-m, 101.3 to 108.5 ft-lbs). Apply engine oil to threads and seats. (Page 231/S-13, Table [2])

210

What is the tightening torque for the fuel injection nozzle holder assembly?

49.0 to 68.6 N-m (5.0 to 7.0 kgf-m, 36.2 to 50.6 ft-lbs). (Page 231/S-13, Table [2]; Page 246/S-28)

211

What is the tightening torque for the glow plugs on the V3300?

19.6 to 24.5 N-m (2.0 to 2.5 kgf-m, 14.5 to 18.1 ft-lbs). (Page 231/S-13, Table [2]; Page 242/S-24)

212

What is the tightening torque for the rocker arm bracket screws?

49.0 to 55.9 N-m (5.0 to 5.7 kgf-m, 36.2 to 41.2 ft-lbs). (Page 231/S-13, Table [2]; Page 247/S-29)

213

What starter motor and battery ratings are standard on the Kubota V3300?

Starter: 12 V, 2.5 kW electric starting motor. Battery: 12 V, 112 AH. Charging alternator/dynamo: 12 V, 540 W. (Page 160/Specifications, Table rows 'Starting System', 'Battery', 'Dynamo for Charging')

214

What is the internal resistance of each glow plug on the Kubota V3300?

Approximately 1.0 ohm. (Page 229/S-11, Table 'ELECTRICAL SYSTEM'; Page 242/S-24, Section 'Glow Plug')

215

How do you test the dual-coil engine stop solenoid on the V3300?

Connect pulling coil (P terminal) and holding coil (H terminal) through separate switches to battery positive, with body grounded. When energized, plunger must pull in; holding coil keeps plunger in after pulling coil is deactivated. Never apply pulling current for longer than 2 seconds. (Page 242/S-24, Section 'Engine Stop Solenoid', Para 1-7 & IMPORTANT box)

216

What are the wear limits for starter brushes and commutator diameter?

Starter brush length: factory spec 18 mm (0.7086 in.), allowable limit 11 mm (0.4331 in.). Commutator O.D.: factory spec 32 mm (1.2598 in.), allowable limit 31.4 mm (1.2362 in.). Mica undercut limit: 0.2 mm (0.0079 in.). (Page 229/S-11, Table 'ELECTRICAL SYSTEM')

217

What specific gravity indicates a fully charged Kubota battery at 20°C (68°F)?

1.260 Sp.Gr. indicates 100% charged (1.230 = 75%, 1.200 = 50%, 1.110 = discharged). Recharge or replace if below 1.215 or if cells differ by more than 0.05. (Page 183/G-17; Page 240/S-22, Table 'Specific Gravity')

218

What are the probable causes if a Kubota V3300 engine produces black or dark gray exhaust smoke?

Engine overload, low grade fuel, clogged fuel filter, clogged air cleaner, or deficient nozzle injection. (Page 220/S-2, Table 'TROUBLESHOOTING')

219

What causes white or blue exhaust smoke on the V3300 engine?

Excessive engine oil in the crankcase, worn or stuck piston rings/cylinder, incorrect injection timing, clogged turbocharger waste oil pipe, or faulty turbocharger seal. (Page 220/S-2, Table 'TROUBLESHOOTING')

220

What causes fuel to mix into engine lubricating oil?

Oil dilution from defective seals/packing, worn injection pump plunger, defective injection nozzle, or broken injection pump body. (Page 221/S-3, Table 'TROUBLESHOOTING')

221

What critical precaution must be taken before removing the fuel injection pump unit?

Set No.4 piston to TDC compression, lock flywheel, lock the fuel camshaft by tightening upper and lower dog-point lock screws against the shaft without over-torquing, and scribe gear mesh align marks on idle gear 2. (Page 252/S-34, Section '(6) Injection Pump Unit', Steps 1-5)

222

How is the nozzle heat seal removed from the cylinder head?

Lightly drive a Phillips screwdriver (approx. 6 mm / 1/4 in. diameter) into the heat seal hole, turn 3-4 times each way, and pull the heat seal out together with the copper gasket. Always replace heat seal and gasket with new ones. (Page 246/S-28, Section 'Nozzle Heat Seal Service Removal Procedure', Steps 1-3)

223

In what orientation must the cooling fan be installed on the V3300?

Attach the cooling fan with its '1C010' marking facing frontward towards the radiator. (Page 245/S-27, Section 'Air Cleaner, Muffler and Others', IMPORTANT box)

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