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ENGINE

4241262-Rev B

3-15

3

Engine

Removal and Installation

See Figures 3-28 through 3-36.

NOTE

Naturally aspirated engine shown; turbocharged engine 
is similar.

1.

Park the mower safely. (See “Park Mower Safely” on 
page 1-6.)

2.

Allow engine to cool completely.

3.

Disconnect battery negative (–) cable at battery.

4.

Drain engine oil.

5.

Remove engine oil cooler (turbo models only). (See 
“Engine Oil Cooler (Turbocharger Engine Only)” on 
page 3-12.)

6.

Remove radiator/hydraulic cooler. (See 
“Radiator/Hydraulic Oil Cooler” on page 3-10.)

7.

Remove drive shaft. (See “Drive Shaft” on 
page 5-60.)

8.

Remove muffler and exhaust assembly. (See 
“Muffler and Exhaust Assembly” on page 3-8.)

Figure 3-28

9.

Turn fuel outlet shutoff valve (1) clockwise to close 
valve.

Figure 3-29

10. Loosen hose clamp (2) and disconnect hose (3) from 

fuel pump (4).

Figure 3-30

11. Remove throttle cable hold-down bolt (7).

12. Remove nut (5) from throttle cable wire stop (6).

NOTE

Label all wires before disconnecting to ensure correct 
installation.

13. Disconnect wire connector (8).

TN3612

1

2

TN3613

3

4

5

TN3614

8

6

7

Содержание LF 550

Страница 1: ...LF 550TM and LF 570TM Lightweight Fairway Mowers Technical Repair Manual 67978 67979 67980 67981 67982 67983...

Страница 2: ......

Страница 3: ...n its proper use warned of its dangers and should read the entire manual before attempting to set up operate adjust or service the machine 2012 Jacobsen A Textron Company All rights reserved When Perf...

Страница 4: ......

Страница 5: ...to the operator s manual and parts manual for specific information on these topics THE INFORMATION CONTAINED IN THIS MANUAL IS BASED ON MACHINES MANUFACTURED UP TO THE TIME OF PUBLICATION JACOBSEN RES...

Страница 6: ...tools and or materials will be listed for reference prior to beginning a procedure Specifications Near the beginning of each chapter is a specifications listing This listing contains any specification...

Страница 7: ...4 5 6 7 8 Table of Contents 4241262 Rev B 7 1 Safety Specifications and General Information Engine Electrical Hydrostatic Power Train Hydraulics Steering Cutting Units Accessories and Miscellaneous R...

Страница 8: ......

Страница 9: ...ce Protection 1 6 Park Mower Safely 1 6 Use Lifting Equipment Safely 1 7 Support Machine Securely 1 7 Use Compressed Air and Air Tools Safely 1 7 Service Tires Safely 1 8 Handle Fuel Safely 1 8 Store...

Страница 10: ...ginning service Prepare proper work space lighting A well lit work area can make the job easier Follow procedures and safety warnings Service procedures are written to be as safe and efficient as poss...

Страница 11: ...SAFETY 4241262 Rev B 1 3 1 Figure 1 1 2 6 9 10 4 3 7 8 9 1 5 8 TN3585...

Страница 12: ...1 4 4241262 Rev B SAFETY 1 105dB LWA 1 4131663 4181861 4181862 3 4 5 2...

Страница 13: ...SAFETY 4241262 Rev B 1 5 1 4182520 8 4181863 41 8 1 8 64 6 4199140 7 9 4181865 10...

Страница 14: ...debris are present Vented Goggles Goggles offer side protection not offered by safety glasses alone Unvented Goggles Unvented goggles offer protection from chemical splashes and vapors Park Mower Safe...

Страница 15: ...ting for the tool When using an impact wrench always use approved impact sockets Never use standard sockets on an impact wrench Disconnect the air supply before changing air tool attachments Never poi...

Страница 16: ...l state or federal ordinances and recommendations from your fuel supplier Never overfill or allow the tank to become empty Use clean fresh fuel Do not fill above the fuel filler neck Store Volatile an...

Страница 17: ...ith care Refer to the chemical manufacturer s Material Safety Data Sheet MSDS for information regarding health hazards safe handling and emergency response procedures The hydraulic system is under pre...

Страница 18: ...h certain types of plastics Make sure the fluid to be stored is compatible with the storage container Never use food or beverage containers to store waste fluids IMPORTANT Dispose of waste fluids prop...

Страница 19: ...l Number 2 2 Optional Machine Accessories 2 2 Component Location 2 3 Specifications 2 4 Quick Reference Specifications 2 4 Standard Torque Values 2 13 Inch Fastener Torque Values 2 13 Metric Fastener...

Страница 20: ...Figure 2 3 The engine serial number plate 1 is attached to the top of the rocker arm cover The plate also includes the engine model number and the engine code number An engine data tag 2 is attached t...

Страница 21: ...nts and correct operating procedures before beginning repair procedures 1 OPS 6 Left Front Wheel 11 Throttle Lever 2 Hydraulic Oil Tank 7 Left Front Cutting Unit 12 Instrument Panel 3 Hood 8 Center Cu...

Страница 22: ...in mm 3 07 x 3 09 78 x 78 4 Power Output V1505 E3B hp kW 35 5 26 5 3000 rpm Power Output V1505 T E3B hp kW 44 2 33 0 3000 rpm Firing Order 1 3 4 2 Compression Ratio 23 1 Injection Timing Before T D C...

Страница 23: ...8 F ohms 5 3 10 Resistance Across Solenoid Coil Lower Solenoid Coil at 68 F ohms 5 3 10 Resistance Across Solenoid Coil Brake Solenoid Coil at 68 F ohms 9 10 Resistance Across Solenoid Coil Traction S...

Страница 24: ...m 80 108 Traction Pump Tow Valve Torque lb ft N m 15 20 Traction Pump Front Cover Screw Torque lb ft N m 43 58 Traction Pump Cover Plate Screw Torque lb ft N m 57 77 Traction Pump Auxiliary Pad Screw...

Страница 25: ...t Wheel Motor End Cover Screw Torque Machine Serial Numbers Ending 1651 Through 2499 lb ft N m 52 70 Front Wheel Motor Mounting Nut Torque Machine Serial Numbers Ending 2500 and Up lb ft N m 90 122 Fr...

Страница 26: ...rt Fitting Torque lb ft N m 55 74 6 Gear Pump Inlet Port Fitting Torque lb ft N m 32 9 44 6 Lift Valve Coil Nut Torque lb ft N m 10 13 5 Lift Valve Relief Valve Torque lb ft N m 24 26 32 5 35 3 Lift V...

Страница 27: ...m 25 30 34 41 Steering Unit End Cover to Housing Screw Torque lb ft N m 20 24 27 33 Throttle Arm Screw Torque lb in N m 100 11 3 Throttle Stop Carriage Bolt Torque lb in N m 157 17 7 Steering Cylinde...

Страница 28: ...ith 4 ORFS Case Drain Case Drain Fitting Torque 7 Inch Cutting Unit lb ft N m 11 14 9 Reel Drive Motor with 6 ORFS Case Drain Case Drain Fitting Torque 7 Inch Cutting Unit lb ft N m 17 23 Reel Drive M...

Страница 29: ...Lug Nut Torque Machine Serial Numbers Ending 2500 and Up lb ft N m 90 122 Rear Tires Size Machine Serial Numbers Ending 1651 Through 2499 18 x 9 5 8 Size Machine Serial Numbers Ending 2500 and Up 20 x...

Страница 30: ...F 550 4WD 2960 1343 67981 LF 570 2WD 3135 1422 67982 LF 570 4WD 3274 1485 67980 LF 550 Turbo 4WD 2974 1349 67983 LF 570 Turbo 4WD 3284 1490 Overall Cutting Width in mm 100 2540 Overall Width in mm Mow...

Страница 31: ...156 154 209 1 4 20 in lb Nm 75 8 4 100 11 3 107 12 1 143 16 1 9 16 18 ft lb Nm 92 124 122 165 129 174 172 233 1 4 28 in lb Nm 85 9 6 115 13 0 120 13 5 163 18 4 5 8 11 ft lb Nm 113 153 151 204 159 215...

Страница 32: ...hose to twist hold the hose in a normal straight position When installing hoses place fittings at angles to avoid contact with fixed parts when turning Make sure hoses are assembled to proper A and B...

Страница 33: ...stments 3 5 Purging the Fuel System 3 5 Repair 3 6 Fan Belt 3 6 Air Cleaner Assembly 3 7 Muffler and Exhaust Assembly 3 8 Exhaust Manifold Naturally Aspirated Engine 3 9 Exhaust Manifold and Turbochar...

Страница 34: ...09 78 x 78 4 Power Output V1505 E3B hp kW 35 5 26 5 3000 rpm Power Output V1505 T E3B hp kW 44 2 33 0 3000 rpm Firing Order 1 3 4 2 Compression Ratio 23 1 Injection Timing Before T D C 17 Cooling Syst...

Страница 35: ...e 3 1 Component Location Right Side 1 Radiator Hydraulic Oil Cooler 7 Engine Coolant Drain Valve 2 Thermostat 8 Engine Oil Pressure Switch 3 Engine Oil Fill Cap 9 Alternator 4 Muffler 10 Fan Belt 5 Ex...

Страница 36: ...icator 7 Throttle Cable 2 Air Cleaner Assembly 8 Air Vent Screw 3 Engine Coolant Filler Pressure Cap 9 Fuel Shutoff Solenoid 4 Radiator Hydraulic Oil Cooler 10 Fuel Filter 5 Engine Temperature Sensor...

Страница 37: ...ce a suitable container under filter to catch fuel that will flow from air vent screw hole Figure 3 3 3 Loosen air vent screw 1 at top of filter by turning it counterclockwise two turns WARNING Figure...

Страница 38: ...7 1 Park the mower safely See Park Mower Safely on page 1 6 2 Raise the hood 3 Disconnect battery negative cable at battery Figure 3 6 4 Loosen screws 1 and 3 and push alternator 2 toward engine to lo...

Страница 39: ...s similar 1 Park the mower safely See Park Mower Safely on page 1 6 2 Raise the hood Figure 3 8 NOTE Note orientation of air inlet 3 before removing air filter dust cap 1 to ensure correct installatio...

Страница 40: ...crews 7 and two lock washers 8 6 Disengage and remove insulating sleeve 5 and tailpipe 6 7 Remove two screws 10 two lock washers 9 and two flat washers 11 8 Remove four screws 1 and lock washers 13 9...

Страница 41: ...er Safely on page 1 6 2 Allow engine to cool completely 3 Raise the hood 4 Remove muffler and exhaust assembly See Muffler and Exhaust Assembly on page 3 8 Figure 3 13 5 Loosen hose clamps 9 and 1 and...

Страница 42: ...lic oil system See Hydraulic Oil Tank Drain Procedure on page 6 52 Figure 3 14 NOTE Label all hoses before removing to ensure correct installation 6 Disconnect overflow hose 2 from radiator hydraulic...

Страница 43: ...contact your local environmental department for correct disposal procedure of fluids Installation 1 With lower radiator hose removed from radiator flush inside of radiator with fresh water 2 Install...

Страница 44: ...ow engine to cool completely 3 Raise the hood WARNING 4 Drain approximately 0 5 qt 0 5 L of coolant from engine cooling system into a clean safe container 5 Remove air cleaner assembly See Air Cleaner...

Страница 45: ...7 Clean inside and outside of fuel filter head 8 Lightly lubricate fuel filter seal with clean oil and install Tighten filter hand tight plus one half turn Figure 3 24 9 Turn fuel outlet shutoff valv...

Страница 46: ...cleaner intake hose 3 Figure 3 27 6 Place a suitable container under fuel pump 9 to catch fuel that will flow from fuel hoses 7 Loosen hose clamp 5 and disconnect hose 4 from fuel pump 8 Loosen hose...

Страница 47: ...age 3 12 6 Remove radiator hydraulic cooler See Radiator Hydraulic Oil Cooler on page 3 10 7 Remove drive shaft See Drive Shaft on page 5 60 8 Remove muffler and exhaust assembly See Muffler and Exhau...

Страница 48: ...tery cable 14 at alternator 18 Disconnect wire connector 15 19 Remove screw 16 and disconnect engine oil pressure switch wire 17 Figure 3 33 20 Remove nut 18 and disconnect engine temperature sensor w...

Страница 49: ...ove engine from machine 28 Place engine on a suitable stand or workbench that will support full weight in a safe manner while preventing damage to engine NOTE If engine is being replaced some componen...

Страница 50: ...installing exhaust system Fill radiator with clean water and ethylene glycol based antifreeze mixed for coldest ambient temperature Replace engine oil filter and fill engine with oil Purge air from f...

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