New Holland LW90 Wheel Loader Service Manual – PDF DOWNLOAD

Description

New Holland LW90 Wheel Loader Service Manual

FILE DETAILS:

New Holland LW90 Wheel Loader Service Manual 

Language : English
Pages : 272
Downloadable : YES
Format : PDF
Size : 6.56 MB

DESCRIPTION:

New Holland LW90 Wheel Loader Service Manual 

FOREWORD:

Read this Manual carefully betore starting, operating, mahttalring, fuelling or servicing the machine. Read and comply with all saiety precautions before any intervention. Do not allow urmmhorlsed personnel to operate or service this machine. 00 not wear rings. wristwatohes. iewellory, loose or hang- lng gamma, such as ties, tom clothing. scarves. mout- toned or unzipped jackets that can get caught in moving parts. Wear certified safety clothes such as: hard hat. no- slip tootweer, heavy gloves. ear protection.

• safety gleeaes, reflector vests, respirators. Ask your employer about spe- cific calety equipment requirements. Keep the operator’s compartment. step plates, grab—roan and handea clean and clear oi foreign obiects. oil, grease. mud or snow to minimize the danger of slipping or stum- bling Remove mud or grease from your shoos beiore attempting to mount or operate the machine.
• Donotiump on orotfthe machine. Always keep both hands and one foot, or both feet and one hand in contact with steps and grab rails. ’ Do not use controls or hoses as hand holds when climbing on or oil the machine. Hoses and controls are movable parts and do not provide solid support. Besides. controls maybeinadvertentiymoved and cause unexpeded move- ment of the machine or its attachments.
• Never operate the machine or its attachments from any position other than sitting in the driver’s seat. Keep head. body, limbs. hands and test inside the Opera- tors compartment at all times to reduce exposure to enamel hazards . Be careiul oi pcesmie slippery conditions oi the steps and hand rails as well as oi the ground around the machine. Do not leave the machine until it is has come to a complete step. ‘ Check the seat safety belt at least twice per your and replace it it it shows signs of wear. iraying or other weakness that Could lead to failure.

TABLE OF CONTENTS:

New Holland LW90 Wheel Loader Service Manual 

MAIN MENU.............................................  1
LW90 Wheel Loader.....................................  1
Table of Contents.....................................  4
Summary...............................................  4
	Specifications....................................  5
	Capabilities and Fluid Types......................  7
	Safety Rules......................................  8
	Units of Measure Used In the Manual............... 15
	Tightening Torques................................ 16
Section 1 - Engine.................................... 18
	General Description............................... 19
	General Characteristics........................... 20
	Specifications and Assembly Clearances............ 23
	Fuel Injection Pump Specifications................ 29
	External Views.................................... 30
	Engine Supports................................... 31
	Main Tightening Torques and Pressure Ports........ 32
	Lubrication System................................ 33
	Cooling System.................................... 34
	Fuel System....................................... 37
	Air Intake and Exhaust System..................... 39
	Electrical System................................. 42
Section 2 - Transmission.............................. 46
	General Description............................... 47
	Torque Convertor - Transmission................... 48
	Torque Convertor.................................. 53
	Transmission - Convertor Pump..................... 54
	Transmission...................................... 55
	Transmission Disassembly/ Re-Assembly............. 81
	Oil Circuit.......................................115
	Drive Shafts......................................117
	Axles (Front and Rear)............................119
	Wheels............................................158
Section 3 - Braking System............................160
	General Description...............................161
	Operation.........................................163
	Disc Brake........................................166
	Brake Pedal Valve.................................167
	Parking Brake Control Valve.......................170
	Parking Brake.....................................171
	Other Components..................................173
	Brake Pedal Valve Hydraulic Connections...........174
	Diagnostics and Testing...........................175
Section 4 - Steering System...........................184
	General Description...............................185
	Principles of Operation of Main Priority Valve....189
	Steering Valve (Orbitrol).........................190
Section 5 - Bucket Booms and Frame....................202
	Load Handling System..............................203
	Boom, Bellcrank and Bucket........................204
	Frame Pivot Pins..................................209
Section 6 - Attachment Hydraulic System...............210
	General Description...............................211
	Oil Circuit.......................................212
	Hydraulic System Pump.............................214
	Attachment Control Valve..........................219
	Control Valve Controls............................232
	Hydraulic Oil Reservoir...........................233
	Cylinders.........................................234
	L.T.S. Anti-Pitch System..........................237
	Auxiliary Hydraulics Operation (Option)...........243
Section 7 - Electrical System.........................244
	Safety Rules......................................245
	General Lay-Out of Electrical System..............246
	Logic Board.......................................247
	Connectors........................................249
	Cab Instrument Cluster............................251
	Switch Panel......................................253
	Gearshift Control.................................254
	Components on Machine.............................255
Section 8 - Cab.......................................262
	General Description...............................263
	Windscreen Wipers and Washers.....................264
	Heater............................................265
	Glasses...........................................266
	Repair............................................270

NEW HOLLAND LW90 WHEEL LOADER SERVICE MANUAL – PDF DOWNLOAD:

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