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D34 Engine

Safety, Operation, Maintenance

& Parts Manual

LT30

rev. J7.02 - K1.00

LT40

rev. J8.02 - K2.00

LT30HD

rev. J8.02 - K2.00

LT40HD

rev. J9.02 - K4.00

Safety is our #1 concern!

 Read and understand

all safety information and instructions before oper-
ating, setting up or maintaining this machine.

January 2005

Form #1215

Summary of Contents for D34

Page 1: ...l LT30 rev J7 02 K1 00 LT40 rev J8 02 K2 00 LT30HD rev J8 02 K2 00 LT40HD rev J9 02 K4 00 Safety is our 1 concern Read and understand all safety information and instructions before oper ating setting up or maintaining this machine January 2005 Form 1215 ...

Page 2: ...RZQ WR WKH 6WDWH RI DOLIRUQLD WR FDXVH FDQFHU DQG ELUWK GHIHFWV RU RWKHU UHSURGXFWLYH KDUP OZD V VWDUW DQG RSHUDWH WKH HQJLQH LQ D ZHOO YHQWLODWHG DUHD I LQ DQ HQFORVHG DUHD YHQW WKH H KDXVW WR WKH RXWVLGH R QRW PRGLI RU WDPSHU ZLWK WKH H KDXVW V VWHP R QRW LGOH WKH HQJLQH H FHSW DV QHFHVVDU RU PRUH LQIRUPDWLRQ JR WR ZZZ 3 ZDUQLQJV FD JRY 51 1 ULOOLQJ VDZLQJ VDQGLQJ RU PDFKLQLQJ ZRRG SURGXFWV FDQ ...

Page 3: ... 3 4 Battery 3 2 3 5 Alternator Belt 3 3 3 6 Air Cleaner 3 3 3 7 RPM Adjustments 3 3 SECTION 4 REPLACEMENT PARTS 4 1 4 1 Fuel Tank D34 D36 D51 4 1 4 2 Engine Mount Assembly D34 4 2 4 3 Engine Assembly 4 3 4 4 Relay Throttle Assembly D34 4 4 4 5 Muffler Assembly 4 6 4 6 Air Cleaner Assembly 4 7 4 7 Drive Assembly D34 D51 4 8 4 8 Radiator Assembly D34 4 9 4 9 Alternator Assembly D34 D36 4 10 4 10 En...

Page 4: ...ator s manual and manufacturer s manual before attempting to operate this equipment IMPORTANT Read the sawmill operator s manual and engine manu facturer s manual for instructions and safety precautions before oper ating this equipment The information and instructions given in this manual do not amend or extend the limited warranties for the equipment given at the time of purchase D34 D51 Engine M...

Page 5: ...ssembly in the engine harness will shut the engine off if the engine overheats Turn the key switch off and allow the engine to cool for a period of time before restarting If the overheating condition persists stop operating the engine until the condition is corrected Key Switch Indicator Lights up when the key is in either the on or accessory 1 or 3 position Oil Indicator Lights up if the oil pres...

Page 6: ...m and potentially death unless adequate ventilation is present DANGER Never operate an engine with a fuel or oil leak The leaking fuel or oil could potentially come in contact with hot surfaces and ignite into flames WARNING Be sure the power feed switch is in the neutral position before turning the key switch to the on 1 or accessory 3 position This prevents accidental carriage movement which may...

Page 7: ...g starting Use a 1 quality diesel fuel for below freezing starting 3 Turn the key switch on the control panel to the on 1 position 4 Wait the recommended glow plug on time See TABLE 2 1 5 Turn the key switch to the start 2 position and release Engine Shutoff CAUTION A minimum 2 minute idle time is recommended to allow the battery charge to recover before the engine is shut off Turn the key switch ...

Page 8: ...ns etc Always stay a safe distance from rotating members and make sure that loose clothing or long hair does not engage rotating members resulting in possible injury DANGER Engine components can become very hot during operation Avoid contact with any part of a hot engine The exhaust components of your engine are especially hot during and following operation Con tact with hot engine components can ...

Page 9: ...ep water out of the muffler and engine If the sawmill is stored outside or transported during rainy weather the muf fler must be covered The rain flap is available for previous revision sawmills See Section 4 5 Change the engine oil and oil filter after the first 50 hours of operation then every 250 hours of operation 3 3 Cooling System Clean the radiator fins every 8 hours of operation Spray the ...

Page 10: ... switch to OFF 0 and remove the key 2 Remove the drive belt cover and alternator cover 3 Pry the belt idler up and remove the belt from the alternator and engine pulleys 4 While holding the idler up install the new belt around the alternator and engine pulleys 5 Release the idler on top of the belt and reinstall the alternator and drive belt covers 3 6 Air Cleaner Replace the air cleaner cartridge...

Page 11: ...eave 0 to 1 32 of play in the linkage CAUTION Failure to properly adjust the throttle solenoid linkage may cause damage to the solenoid 1 Disengage the clutch and loosen the solenoid mounting bolts to adjust the throttle sole noid linkage 2 Adjust the solenoid as far to the right as possible and retighten the mounting bolts 3 Engage the clutch and recheck the amount of play in the linkage If there...

Page 12: ...gine at idle adjust the low end RPM to 1500 To decrease speed loosen the idle adjustment screw To increase speed tighten the idle adjustment screw The high end adjustment screw should not be adjusted FIG 3 1 Throttle Solenoid Linkage Turnbuckle Idle Adjustment Screw 600142 8B High End Adjustment Screw Engage clutch and push here to check for play 0 to 1 32 ...

Page 13: ...nnect 015583 1 5 Fitting Female Quick Disconnect Barb 015582 1 6 Fitting 1 4 NPT Plastic Female Disconnect P12175 1 7 Fitting 1 4 Barb Plastic Male Disconnect P12176 1 8 HOSE 1 4 ID FUEL P642 7 1 Ft 9 HOSE 5 16 ID FUEL 016338 9 Ft 10 CLAMP 7 32 1 2 HOSE P649 4 ADDITIVE DIESEL FUEL 16OZ BOTTLE 004878 1 1 Stanadyne Performance Formula helps eliminate contaminants and water in fuel prevents gelling i...

Page 14: ...ent in motor mount bushings 1 5 BOLT 1 2 13 X 1 1 4 HEX HEAD GRADE 5 F05008 37 1 6 NUT 1 2 13 HEX NYLON LOCK F05010 8 1 7 BOLT 7 16 20 X 1 1 2 HEX HEAD FULL THREAD GRADE 5 F05007 156 4 8 NUT 7 16 20 HEX NYLON LOCK F05010 83 4 9 BOLT 3 8 16 X 1 1 2 HEX HEAD GRADE 5 F05007 78 3 10 NUT 3 8 16 HEX NYLON LOCK F05010 10 4 11 NUT 10MM X 1 25 HEX NYLON LOCK F81033 6 2 BUSHING ASSEMBLY MOTOR MOUNT 016380 3...

Page 15: ...enoid Oil Pressure Switch or Temperature Switch to sawmills prior to LT30 Rev J7 04 LT40 Rev J8 04 LT30HD Rev J8 04 and LT40HD Rev J9 04 1 6 Filter Assembly Caterpillar Fuel Water Separator 183 5455 046073 1 Filter Caterpillar Fuel Water Separator 183 5446 046074 1 O Ring Fuel Water Separator Mount 183 5444 046075 1 7 Plug Caterpillar Glow 172 4585 046076 3 Switch Caterpillar Oil Pressure 217 5791...

Page 16: ... HEAD F05004 206 2 11 BOLT 1 4 20 X 1 HEX HEAD GRADE 5 F05005 101 2 12 WASHER 1 4 SAE FLAT F05011 11 4 13 NUT 1 4 20 HEX NYLON LOCK F05010 69 2 14 WASHER 5 16 SAE FLAT F05011 17 2 15 WASHER 5 16 SPLIT LOCK F05011 13 2 16 BOLT M8 1 25 X 16MM HEX HEAD F05004 47 2 17 PLATE THROTTLE SOLENOID SPACER 046023 1 BRACKET ASSEMBLY CATERPILLAR GLOW PLUG THROTTLE RELAY 2005 052236 1 BRACKET ASSEMBLY CATERPILLA...

Page 17: ...ment 052827 1 28 Socket Glow Plug Relay w Fuse Holder 024554 1 29 Fuse Link 50 Amp 024597 1 30 Washer M5 Wave F81052 4 2 31 Screw M5 0 8 x 8mm Phillips Head Black Oxide F81000 14 2 32 Fuseholder In Line 3 20A ATC w Cover 024555 1 33 Fuse 4A ATO Blade Pink 024150 4 1 Resistor Kit Caterpillar Glow Plug 052663 1 34 Relay Glow Plug 023359 1 35 COVER RELAY ASSEMBLY 045824 1 36 WASHER 1 4 SAE FLAT F0501...

Page 18: ...M 014096 1 3 CAP EXHAUST RAIN DEFLECTOR 038438 1 1 Rain Deflector Cap 038438 replaces Stack 014094 and Clamp 014095 to prevent water from entering muffler and engine LT30 Rev J7 06 LT40 Rev J8 06 LT30HD Rev J8 07 and LT40HD Rev J9 07 Customers with previous revisions should retrofit stack with cap 1 4 BRACKET WELDMENT MUFFLER MOUNT 045627 1 5 CLAMP MUFFLER 2 NELSON 90869A 014205 1 1 3 5 4 600142 4...

Page 19: ...072919 4 7 4 D34 4 6 Air Cleaner Assembly REF DESCRIPTION Indicates Parts Available In Assemblies Only PART QTY 1 CLAMP D34 AIR CLEANER 045630 10 2 2 CLEANER WISCONSIN AIR 014246 1 Filter Air Cleaner Cartridge 014386 1 3 COVER WISCONSIN ENGINE 014247 1 1 2 3 3H0954 5 ...

Page 20: ... DIESEL 016533 1 2 KEY 3 8 X 3 8 X 1 7 8 014693 1 3 BUSHING SH X 1 7 16 016535 1 4 BELT 3 5VL770 046571 1 5 PLATE ENGINE STOP 046449 1 6 SHAFT CATERPILLAR DRIVE STUB 045633 1 7 BOLT M12 1 75 X 30MM FLAT SOCKET HEAD F05007 194 3 8 BRACKET DRIVE BELT SUPPORT 016364 1 9 WASHER 3 8 SAE FLAT F05011 3 4 10 BOLT 3 8 16 X 1 HEX HEAD F05007 7 2 11 NUT 3 8 16 HEX NYLON LOCK F05010 10 2 1 2 3 4 5 3H0928 3B 6...

Page 21: ... D34 4 8 Radiator Assembly D34 REF DESCRIPTION Indicates Parts Available In Assemblies Only PART QTY 1 RADIATOR CATERPILLAR D34 DIESEL ENGINE 048418 1 2 PLATE WELDMENT D34 RADIATOR MOUNT 036727 1 3 GUARD D34 LOWER RADIATOR 036728 1 4 MOUNT D34 RADIATOR 069476 2 1 2 3 3H0954 2B 4 ...

Page 22: ...T 3 8 16 X 2 HEX HEAD GRADE 5 F05007 124 1 6 BELT 6PK1055 FIBERGLASS 034513 2 2 034513 description was 6PK415 changed by Goodyear to metric 5 08 1 7 SPACER ALTERNATOR IDLER 034771 1 8 Washer 3 8 SPlit Lock F05011 4 2 9 BOLT 3 8 16 X 3 4 HEX HEAD F05007 27 2 10 BOLT 3 8 16 X 3 HEX HEAD GRADE 5 F05007 73 4 11 NUT 3 8 16 HEX NYLON LOCK F05010 10 6 12 WASHER 3 8 SAE FLAT F05011 3 1 13 BOLT 3 8 16 X 1 ...

Page 23: ... 4 11 4 D34 4 10 Engine Pulley Guards D34 D36 D51 REF DESCRIPTION Indicates Parts Available In Assemblies Only PART QTY 1 GUARD WELDMENT CATERPILLAR ENGINE PULLEY 046560 1 2 BOLT 1 4 20 X 3 4 HEX HEAD WITH CONICAL WASHER F05005 134 3 3 GUARD SIDE ENGINE PULLEY 016152 1 1 2 3 3H0931B 2 ...

Page 24: ...ments 3 3 safety 3 1 O operation 2 1 control lights 2 1 shutoff 2 3 starting 2 2 P parts list air cleaner assembly 4 7 alternator 4 10 alternator assembly 4 10 drive assembly 4 8 engine assembly 4 3 engine mount assembly 4 2 fuel tank 4 1 muffler assembly 4 6 pulley guards 4 11 radiator assembly 4 9 relay throttle assembly 4 4 INDEX ...

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