New Holland Wheel Loader 645B Service Manual
FILE DETAILS:
New Holland Wheel Loader 645B Service Manual
Size: 256 MB
Format: PDF
Language: English
Number of Pages: 1047 pages
Brand: New Holland
Type of document: Service Manual
Model: Wheel Loader 645
Part No: 73061033
DESCRIPTION:
New Holland Wheel Loader 645B Service Manual
FOREWORD:
Always furnish serial number it making an inquiry to dealer factory about this machine. Many equipment owners employ the Dealer Service Department for all work other than routine lubrication and minor service. This practice is encouraged. as our Dealers are well informed and equipped to render efficient service by factory trained mechanics. This manual may not be reprinted or reproduced. either in whole or in part. with om written permission of Fiat allis ®. Illustrations show standard and optional items.
GENERAL:
Study the Operation and Maintenance instruction Manual be- fore starting. operating, maintaining. fueling. or servicing machine. Read and heed all machine-mounted salety signs belore starting. operating. maintaining. fueling orserviclng machine. Machine-mounted safety signs have been ooiorcoded yellow with black border and lettering for WARNING and red with white border and lettering for DANGER points. Never attempt to operate the machine or its tools from any position other than seated in the operator’s seat. Keep head. body. limbs. hands and feet inside operator’s compartment at all times to reduce exposure to‘hazards outside the operator’s compartment.
- Do not allow unauthorized personnel to operate service or maintain this machine. Always check work area for dangerous features. The lollow- ing are examples of dangerous work areas: slopes. over hangs. timber. demolitions. l ire. high walls. drop off. backfills. rough terrain. ditches, ridges. excavations. heavy traffic. crowded parking. crowded maintenance and closed areas. Use extreme care when in areas such as these.
- An operator must know the machine’s capabilities. When working on slopes or near drop 0th be alert to avoid loose or soft conditions that could cause sudden tipping or loss of control. Do not jump on or oil machine. Keep two hands and one foot, or two test and one hand. in contact with steps grab rails and handles at all times. Do not use controls or hoses as hand holds when climbing on or oh machine. Hoses and controls are movable and do not provide a solid support. Controls also may be inadvertently moved causing accidental machine or equipment movement. Keep operator‘s compartment. stepping points. grab<rails and handles clear of foreign objects. oil. grease. mud or snow accumulation to minimize the danger oi slipping or stumbling.
- Clean mud or grease from shoes betore attempting to mount or operate the machine. Be careful of sfippery conditions on stepping points, hand rails. and on the ground. Wear safety boots or shoesthat have a high slip resistant sole material. For your personal protection. 00 not attempt to climbon or oil machine while machine is in motion. Neverleavethemachine unattended with the engine running.
- Always look up machine when leaving it unattended. Return keys to authorized security. Heed all shut down procedures at the Operation and Maintenance instruction Manual. Atways set the parking brake when leaving the machine for any reason. Do not wear rings, wrist watches, jewelry, loose or hanging- apparcl. such as tics. torn clothing, scarves. unbuttoned o. unzipped jackets that can catch on moving pans. Wear proper safety equipment as authorized for the job. Examples: hard hats. safety shoes, heavy gloves. ear protectors. safety glasses or goggles, reflector vests. or respirators. Consult your employer for specific safety equipment requirements.
TABLE OF CONTENTS:
New Holland Wheel Loader 645B Service Manual
Index................................................................................................................................................... 1 70650824-3500, 3500 MKII, 670 T Engines................................................................................................................. 3 Supplement No. 5 Service Manual Form 70650824 3500, 3500 Mark II, 670T Engines .................................................................... 7 Supplement No. 4 Service Manual Form 70650824 (English) 3500 and 3500 Mark II Engines .............................................................. 8 Supplement No. 3 Service Manual Form 70650824-6 3500 Engine ....................................................................................... 9 Mailing No. 2 Replacement Pages For 650824 (10-65) Service Manual 3500 Engines Construction Machinery Division ................................... 11 Mailing No. 1 Replacement Pages For 650824 (10-65) Service Manual 3500 Engines Construction Machinery Division .................................. 12 Table of Contents .................................................................................................................................. 21 Section 1 - Description and Specifications ......................................................................................................... 23 Section 2 - Cooling System ......................................................................................................................... 27 Section 3 - Electrical System ...................................................................................................................... 47 Section 4A - Fuel System (With Simms Fuel Injection Pump) ......................................................................................... 75 Section 5 - Air Cleaner and Intake Manifold ........................................................................................................ 87 Section 6 - Exhaust Manifold and Turbocharger ...................................................................................................... 91 Section 7 - Valves, Valve Operating Mechanism, and Cylinder Head ................................................................................... 95 Section 8 - Front End and Gear Train ...............................................................................................................111 Section 9 - Flywheel, Ring Gear, Flex Plate Drive, Flywheel Housing, and Crankshaft Rear Oil Seal ..................................................121 Section 10 - Lubricating System ....................................................................................................................127 Section 11 - Camshaft and Camshaft Bearings ........................................................................................................139 Section 12 - Pistons, Piston Rings, Connecting Rods, and Connecting Rod Bearings ...................................................................147 Section 13 - Crankshaft and Crankshaft Gear, Main Bearings, and Main Bearing Caps ..................................................................155 Section 14 - Cylinder Block and Cylinder Sleeves ...................................................................................................163 Section 15 - Engine Removal and Installation .......................................................................................................173 Section 16 - Engine Disassembly and Assembly .......................................................................................................177 Section 17 - Fits and Tolerances, Torque Specifications, and Stud Gauge Heights ....................................................................181 Section 18 - Trouble Shooting ......................................................................................................................191 Section 19 - Service Tools .........................................................................................................................201 Section 20 - Conversion Tables .....................................................................................................................203 70687805-Turbocharger...................................................................................................................................207 Table of Contents ..................................................................................................................................217 Description and Operation ..........................................................................................................................218 Maintenance ........................................................................................................................................220 Removal and Disassembly ............................................................................................................................223 Cleaning and Insspection ...........................................................................................................................225 Reassembly and Installation ........................................................................................................................227 Troubleshooting ....................................................................................................................................229 Service Tools ......................................................................................................................................231 73059226-Transmission...................................................................................................................................233 Safety Rules ......................................................................................................................................237 General Supplement to 73059226, 73142482, 73127734, and 73127735 ...................................................................................243 Table of Contents ..................................................................................................................................252 General Information ................................................................................................................................253 Description and Operation ..........................................................................................................................260 Preventive Maintenance .............................................................................................................................271 General Overhaul Information .......................................................................................................................277 Transmission Removal and Installation ..............................................................................................................281 Disassembly of Transmission into Subassemblies .....................................................................................................285 Rebuild of Subassemblies ...........................................................................................................................296 Assembly of Transmission from Subassemblies ........................................................................................................321 TRT Transmission - Operation and Description ......................................................................................................337 TRT Transmission - Disassembly and Assembly ........................................................................................................347 Service Tools, Wear Limits and Spring Data .........................................................................................................363 Alphabetical Index ................................................................................................................................368 73053547-Axles..........................................................................................................................................371 Supplement No 9. Service Manual Form 73053547 - Axles 545, 545-B, 545H, 605-B, 645, 645-B, 745, 745-B, 745H, 745H-B Wheel Loaders ..................374 Supplement No 8. Service Manual Form 73053547 - Axles 545, 545H, 605, 745, 745H Wheel Loaders (Incl. Series B) ....................................375 Supplement No 7. Service Manual Form 3053547-0 - Axles 545, 545H, 605, 645, 745, 745H, Wheel Loaders (Including Series B) .........................376 Supplement No 6. Service Manual Form 3053547-0 - Axles 545, 545H, 605, 645, 745, 745H, Wheel Loaders (Including Series B) .....................377 Supplement No 5. Service Manual Form 3053547-0 - Axles 545, 545H, 605, 645, 745, 745H, Wheel Loaders (Including Series B) .....................378 Supplement No 4. Service Manual Form 3053547-0 - Axles 545, 545H, 605, 645, 745, 745H, Wheel Loaders (Including Series B) ......................379 Supplement No 3. Service Manual Form 3053547-0 - Axles 545, 545H, 605, 645, 745, 745H, Wheel Loaders (Including Series B) ......................380 Supplement No 2. Service Manual Form 3053547-0 - Axles 545, 545H, 605, 645, 745, 745H, Wheel Loaders ...............................................381 Supplement No 1. Service Manual Form 3053547-0 - Axles 545, 545H, 645, 745, Wheel Loaders ..........................................................382 Table of Contents ..................................................................................................................................392 Topic 1 - General Information and Description ......................................................................................................393 Topic 2 - Trouble Shooting .........................................................................................................................397 Topic 3 - Removal and Installation of Axles .......................................................................................................399 Topic 4 - Differential Removal and Disassembly ....................................................................................................402 Topic 5 - Cleaning and Inspection ..................................................................................................................405 Topic 6 - Assemble Components ......................................................................................................................406 Topic 7 - Planetary Hubs ..........................................................................................................................414 Topic 8 - Cleaning and Inspection .................................................................................................................420 Topic 9 - Assembly and Installation ................................................................................................................421 Topic 10 - Drive Shafts ............................................................................................................................428 Topic 11 - Torque Specifications ...................................................................................................................435 Topic 12 - Wheels and Tires .......................................................................................................................438 Topic 13 - No Spin Differential Removal and Disassembly (Special Equipment) .......................................................................440 73057214-Brakes and Air System..........................................................................................................................455 Supplement No. 3 Service Manual Form 73057214 ( Same as 3057214-3) Brakes and Air System 645 (S/N 2032-Up) & 645-B Wheel Loaders ...............457 Supplement No. 2 Service Manual Form 73057214 ( Same as 3057214-3) Air System and Brakes 645 (S/N 2032-Up) & 645-B Wheel Loaders ...............458 Supplement No. 1 Service Manual Form 3057214-3 Air System and Brakes 645 (S/N 56C02720-Up) .........................................................459 Safety Rules .......................................................................................................................................461 Table of Contents ..................................................................................................................................468 Topic 1 - General Description ......................................................................................................................471 Topic 2 - Trouble Shooting .........................................................................................................................477 Topic 3 - Air Compressor ...........................................................................................................................481 Topic 4 - Governor .................................................................................................................................491 Topic 5 - Air Tank .................................................................................................................................494 Topic 6 - Air Tank Drain Cocks .....................................................................................................................495 Topic 7 - Air Tank Valve and Check Valves ..........................................................................................................496 Topic 8 - Air Application Valve ....................................................................................................................498 Topic 9 - Power Clusters ...........................................................................................................................504 Topic 9A - Emergency Brake Control Valve ...........................................................................................................508 Topic 10 - Service Brakes ..........................................................................................................................515 Topic 11 - Clutch-Off Valve ........................................................................................................................520 Topic 12 - Alcohol Injector ........................................................................................................................521 Topic 13 - Air Pressure Gauge ......................................................................................................................525 Topic 14 - Air Horn ................................................................................................................................526 Topic 15 - Low Air Pressure Switch .................................................................................................................528 Topic 16 - Parking Brake ...........................................................................................................................529 Topic 17 - Bleeding System .........................................................................................................................530 Topic 18 - Tests ...................................................................................................................................532 Topic 19 - Miscellaneous ...........................................................................................................................535 Index ..............................................................................................................................................538 73068993-Power Steering.................................................................................................................................543 Supplement No. 1 Service Manual Form 73068993 - Power Steering 545,545-H, 545-B, 605-B, 645, 645-B, Wheel Loaders ................................545 Table of Contents ..................................................................................................................................553 Topic 1 - Description and Operation ................................................................................................................554 Topic 1A - Emergency Steering (Special Equipment) ..................................................................................................560 Topic 2 - Service and Maintenance ..................................................................................................................562 Topic 3 - Troubleshooting ..........................................................................................................................575 Topic 4 - Power Steering Cylinders .................................................................................................................581 Topic 5 - Power Steering Pump ......................................................................................................................588 Topic 6 - Power Steering Gear Assembly .............................................................................................................607 Topic 7 - Hydraulic Pump ...........................................................................................................................634 Topic 8 - Demand Valve .............................................................................................................................641 Topic 9 - Test and Adjustment Procedures ...........................................................................................................652 Topic 10 - Pressure Line, Fittings, Hoses and Tubing ...............................................................................................663 Topic 11 - Torque Values ...........................................................................................................................670 Alphabetical Index .................................................................................................................................671 73124400-Bucket Hydraulic Systems.......................................................................................................................674 Supplement No. 1 Service Manual Form 73124400 Bucket Hydraulic Systems 545 thru 745-C Wheel Loaders ................................................677 Table of Contents ..................................................................................................................................678 Safety Rules .......................................................................................................................................683 General ...........................................................................................................................................691 Hydraulic System Specifications ....................................................................................................................692 Description and Operation ..........................................................................................................................694 Troubleshooting and Testing ........................................................................................................................698 Hydraulic Pump Repair ..............................................................................................................................713 Hydraulic Control Valve Repair .....................................................................................................................721 Hydraulic Cylinder Repair ..........................................................................................................................774 Hydraulic Fittings, Hoses and Tubing ...............................................................................................................801 Service Tools ......................................................................................................................................806 Torque Values ......................................................................................................................................809 73055458-Bucket and Chassis.............................................................................................................................811 Supplement No. 4 - Service Manual Form 73055458 Bucket and Chassis 545, 545H, 545-B, 605-B, 645, 645-B, 745, 745H, 745-B, 745-C Wheel Loaders .....814 Supplement No. 3 - Service Manual Form 73055458 Bucket and Chassis 545, 545H, 545-B, 605-B, 645, 645-B, 745, 745H, 745-B, 745-C Wheel Loaders ....815 Supplement No. 2 - Service Manual Form 3055458 -8 Bucket and Chassis 545, 545H, 605, 645, 745, & 745H (Including Series B) Wheel Loaders ........816 Supplement No. 1 - Service Manual Form 3055458-8 Bucket and Chassis 545, 545H, 645, 745, Wheel Loaders ..........................................817 Table of Contents ..................................................................................................................................825 General Description ................................................................................................................................826 Bucket and Linkage .................................................................................................................................827 Fenders, Ladder, Hood, Bonnet, and Hand Rail .......................................................................................................832 Platform and Seat Assembly ........................................................................................................................833 Fuel Tank ..........................................................................................................................................834 Main Frame and Pivot Pins ..........................................................................................................................837 Torque Specifications ..............................................................................................................................845 Linkage Wear Limits ................................................................................................................................845 ROPS Cab ..........................................................................................................................................847 Index ..............................................................................................................................................852 Conversion Tables ..................................................................................................................................853 73146366-Electrical Systems.............................................................................................................................855 Safety Rules .......................................................................................................................................856 Table of Contents ..................................................................................................................................863 General Description ................................................................................................................................864 Troubleshooting ....................................................................................................................................865 Changing Circuit ...................................................................................................................................868 Starting Circuit ...................................................................................................................................876 Ignition Circuit ...................................................................................................................................878 Accessory Ciruits ..................................................................................................................................882 Batteries ..........................................................................................................................................884 Electrical System Schematics .......................................................................................................................889
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PLEASE NOTE:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]