MASSEY FERGUSON 5400

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Massey Ferguson 5400 - Issue 1.a

08E01.5

GPA20 multidisc 4WD clutch

Fig. 1

Overall view

Shim to obtain

0 to 0.1 mm clearance

A. 4-disc clutch

B. 5-disc clutch

Main Page

Introduction 01A01 - Introduction5
- Table of Contents5
- Using the Manual7
- Specifications8
- Ground Speed14
- General Dimensions18
- Capacities21
- Conversion Tables22
- Locking Compounds and Sealants23
Gearbox39
- General41
- Construction and Description47
- Operation48
- Specifications of the GBA20 Transmission Assembly with Power Shuttle50
Table of Contents61
- General63
- Preliminary Operations64
- Removal65
- Refitting67
- Adjusting the Progressivity Sensor68
- Final Operations68
- Service Tools69
Gba20 Mechanical Reverse Shuttle 05C01 - Gba20 Mechanical Reverse Shuttle71
- General73
- Operation78
- Disassembling and Reassembling the Reverse Shuttle80
- Preliminary Operations80
- Shimming the Secondary Shaft84
- Final Operations85
Gba20 Power Shuttle 05C02 - Gba20 Power Shuttle87
- General89
- Removing and Refitting the Forward Clutch99
- Disassembling and Reassembling the Forward Clutch100
- Shimming the Forward Clutch104
- Disassembling and Reassembling the Reverse Clutch105
- Disassembling and Reassembling the Driving Pinion - Shimming the Shaft110
- Service Tools114
Gba20 Speedshift with Power Shuttle 05D02 - Gba20 Speedshift with Power Shuttle117
- General119
- Operation125
- Preliminary Operations127
- Removing and Disassembling the128
- Removing, Splitting and Disassembling the Planet Carrier Assembly130
- Disassembling the Hydraulic Cover132
- Assembling the Planet Carrier133
- Refitting the Hydraulic Cover134
- Assembling the Planet Carrier135
- Assembling and Refitting the136
- Final Operations137
Gba20 Speedshift with Power Shuttle139
- General141
- Operation147
- Removing and Refitting the Cover149
- Disassembling and Reassembling the Selector Mechanisms153
- Fitting and Adjusting the Gear Linkage156
Shuttle159
- General161
- Servicing Guide167
- Creeper Fork169
- Hare / Tortoise Fork and Lock- 1St /2Nd - 3Rd / 4Th Fork Assembly and Selector Rail173
- Mechanical Reverse Shuttle Selector - Fork and Selector Rail180
- Service Tools184
Gba20 Selector Rail with Power Shuttle 05F02 - Gba20 Selector Rail with Power Shuttle185
- General187
- Servicing Guide193
- Creeper Fork195
- Hare / Tortoise Fork and Lock- 1St /2Nd - 3Rd / 4Th Fork Assembly and Selector Rail199
- Service Tools207
Gba20 Output Shaft with Power Shuttle 05G02 - Gba20 Output Shaft with Power Shuttle209
- General211
- Preliminary Operations215
- Removing and Refitting the Selector Rail and the Forks215
- Removing, Refitting and Shimming the Shaft216
- Final Operations220
Gba20 Layshaft with Power Shuttle 05I02 - Gba20 Layshaft with Power Shuttle233
- General235
- Preliminary Operations237
- Removing and Refitting the Shaft and Pinion Assembly237
- Removing and Refitting Pinions238
- Replacing the Taper Roller Bearings and the Layshaft239
- Shimming the Pinions239
- Shimming the Shaft240
- Final Operations241
Gba20 Creeper Unit 05J01 - Gba20 Creeper Unit243
- General245
- Operation245
- Removing the Creeper Unit and the Ring Gear248
- Removing the Planet Carrier248
- Final Operations249
- Reassembling the Planet Carrier, Refitting the Ring Gear and the Unit249
- Adjusting the Control250
Gpa20 Normal Duty Trumpet Housings 06B01 - Gpa20 Normal Duty Trumpet Housings259
- General261
- Trumpet Assembly264
- Planet Carrier266
- Bearings and Seals267
- Preloading the Axle Shaft Bearings268
- Replacing a Lug Stud269
Gpa20 Heavy Duty Trumpet Housings 06B02 - Gpa20 Heavy Duty Trumpet Housings271
- General273
- Trumpet Assembly276
- Planet Carrier278
- Bearings and Seals279
- Preloading the Axle Shaft Bearings280
- Replacing a Wheel Stud281
Gpa20 Handbrake Unit and Control 06D01 - Gpa20 Handbrake Unit and Control289
- General291
- Operation291
- Disassembly295
- Reassembly297
- Assembling and Adjusting the Control299
Gpa20 Differential 06E01 - Gpa20 Differential301
- General303
- Removing the Left-Hand Flange and Differential Lock Assembly307
- Disassembling and Reassembling the Differential Lock Assembly308
- Refitting the Left-Hand Flange and the Differential Lock Assembly309
- Removing the Differential Assembly311
- Disassembling the Differential Assembly and the Ring Gear312
- Removing and Disassembling the Drive Pinion313
- Reassembling the Ring Gear and Differential Assembly314
- Adjusting the Bevel Gear Distance, Refitting and Shimming of the Drive Pinion315
- Refitting and Shimming of the Differential Assembly318
- Adjusting and Checking the Backlash322
- Service Tools324
Gpa20 Hitch / Linkage 06F01 - Gpa20 Hitch / Linkage325
- General327
- Removal330
- Disassembly331
- Reassembly332
- Refitting334
- Presentation of the Hitch336
- Rear Hitch336
- Disassembling and Reassembling a Lift Ram339
Gpa20 Hitch Hooks 06G01 - Gpa20 Hitch Hooks341
- General343
- Presentation of the Different Hitch Hooks344
- Adjusting Automatic Hook Tie-Rods and Controls347
- Operating Principle of the Dromone Retractable Hook349
Gpa20 Rear Wheels / Hubs 06H01 - Gpa20 Rear Wheels / Hubs351
- Description of Rear Axle Wheel Assembly353
- General353
- Changing Wheel Track Spacing354
- Replacing a Wheel Stud356
Table of Contents369
- General371
- Operation371
- 2-Speed PTO (Without Shimming)375
- 2-Speed PTO (with Shimming)377
- 4-Speed Economy PTO (Without Shimming)379
- 4-Speed LSPTO (with Shimming)382
- Assembling and Adjusting the 4-Speed LSPTO Control384
Gpa20 Removable Shaft 07C01 - Gpa20 Removable Shaft385
- General387
- Removing and Refitting the Rear Bearing390
- Replacing the 540 or 1000 Rpm Shaft390
- Disassembling and Reassembling the Rear Bearing391
- Disassembling and Assembling the 540 and 1000 Rpm Pinions and the Front392
Gpa20 Shiftable Shaft 07D01 - Gpa20 Shiftable Shaft393
- Bearing400
- Removing and Refitting the Rear Bearing400
- Bearing401
- Disassembling and Reassembling the Rear Bearing401
- Controls404
- Flange Shaft405
- Shaft with Reinforced Sealing407
Gpa20 - Gspto 07E01 - Gpa20 - Gspto413
- General415
- Operation415
- Disassembling the Power Take off (2WD Version)419
- Reassembling the Power Take off (2WD Version)421
- Disassembling the Power Take off (4WD Version)424
- Reassembling the Power Take off (4WD Version)425
- Assembling and Adjusting the Control426
Gpa20 Multidisc 4Wd Clutch 08E01 - Gpa20 Multidisc 4Wd Clutch439
- General441
- Operation441
- Removing the Clutch Assembly445
- Disassembling the Clutch446
- Reassembling the Clutch447
- Refitting the Clutch Assembly448
Hydraulics453
- General455
- Low Flow Rate, Low Pressure Circuit455
- Layout of Main Components of Power Shuttle and Speedshift Circuit457
- Layout of Main Components of Mechanical Reverse Shuttle Speedshift Circuit459
- Diagram of Mechanical Reverse Shuttle Speedshift460
- High Flow Rate, High Pressure Circuit460
- Diagram of Power Shuttle Speedshift462
Table of Contents465
- General467
- Identification of Channels and Ports472
- Removing and Refitting the Cover474
- Disassembling and Reassembling the High Pressure Valve477
- Disassembling and Reassembling the Cover478
- Removing and Refitting the Pump479
- Disassembling and Reassembling the Pump481
- Adjusting the Engine Speed Sensor484
Trailer Braking - Open Centre 09D01 - Trailer Braking - Open Centre491
- General493
- Removing and Refitting the Brake Spool Valve496
- Operation, Trailer Brakes Released and Partial Braking499
- Partial and Maximum Trailer Braking501
- Version Without Trailer Braking502
Auxiliary Spool Valve 09E01 - Auxiliary Spool Valve503
- General505
- Layout of Channels and Ports510
- Operating and Adjusting the Flow Divider512
- Removing and Refitting Spool Valves514
- 3-Position Spool Valve, SA / da with Spring Loaded Return to Neutral516
- 3-Position Spool Valve, SA / da with Automatic Return to Neutral518
- 3-Position SA / da Spool Valve with Non-Return Valve and Automatic Return520
- 4-Position da Spool Valve, with Automatic Return to Neutral and Floating Position522
- Fitting and Adjusting a Control Cable524
Auxiliary Spool Valve527
- General529
- Neutral Position532
- Lifting Position536
- Lowering Position538
- Shock Valve540
- Removing and Refitting the Spool Valve542
Lift Control Spool Valve - Open Centre545
- General547
- Description of the 17 Bar Low Pressure Valve549
- Removing - Refitting and Disassembling - Reassembling the 17 Bar Valve551
- Adjusting the 17 Bar Valve552
- Operation of the Cooling System553
- Assembling the 5 Bar Valve554
- Description of the 1.5 Bar Lubricating Valve554
- Removing - Refitting and Disassembling - Reassembling the 1.5 Bar Valve555
Unassisted Brake Master Cylinders 09I01 - Unassisted Brake Master Cylinders557
- General559
- Layout of Hydraulic Lines560
- Practical Servicing Advice564
- Single Circuit Master Cylinders (Without Trailer Brake)565
- Double Circuit Master Cylinders (with Trailer Brake)566
- Adjusting Brake Pedals568
- Bleeding the Main Brake Circuit569
- Bleeding the Trailer Brake Circuit571
Assisted Brake Master Cylinders 09I02 - Assisted Brake Master Cylinders573
- General575
- Layout of Hydraulic Lines577
- Practical Servicing Advice582
- Brake Master Cylinders583
- FTE Valve585
- Adjusting Brake Pedals587
- Bleeding the Main Brake Circuit588
- Bleeding the Trailer Brake Circuit591
Gba20 Power Shuttle Control Unit 09J01 - Gba20 Power Shuttle Control Unit593
- General595
- Power Shuttle Control596
- Presentation of Control Unit and Hydraulic Lines596
- Speedshift Control599
- Explanation of Speedshift Ratios601
- Removing - Refitting the Control Unit602
Fuse Box and Relays 10A01 - Fuse Box and Relays625
- Fuse Box627
- Relays - Europe629
- Relays - North America631
- Relays - Germany633
Gba20 Electronic Equipment B . Cab Equipment639
- Instrument Panel641
- Cab and Instrument Panel Backlighting642
- Instrument Panel and Platform Console Backlighting643
- Standard Roof Ventilation644
- High Visibility Roof Ventilation645
- Standard Roof Extreme Cold Ventilation646
- High Visibility Roof Extreme Cold Ventilation647
- Manual Air Conditioning for Standard Roof648
- Manual Air Conditioning for High Visibility Roof649
- Radio - Europe650
- Radio - Germany651
- Radio - North America652
- Windscreen Wiper for Standard Front Windscreen653
- Windscreen Wiper for Opening Front Windscreen654
- Rear Windscreen Wiper655
- Cab Accessories Electrical Socket656
- Platform Accessories Electrical Socket657
- Cab Internal Roof Light658
- Pneumatic Seat659
- Horn660
Table of Contents779
- Reading Error Codes781
- List of Error Codes784
- Analysing Components and Their Error Codes786
- Analysing Other Error Codes799

MASSEY FERGUSON 5400 - Page 443

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