Caterpillar Cat 966H Wheel Loader (Prefix A6G) Service Repair Manual (A6G00001 and up)

Service Repair Manual

Models

966H Wheel Loader

966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

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Shutdown SIS Previous Screen Product: WHEEL LOADER Model: 966H WHEEL LOADER A6G Configuration: 966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine

Disassembly and Assembly 966H and 972H Wheel Loaders Machine Systems Media Number -RENR8859-07

Publication Date -01/03/2014

Date Updated -14/12/2016

i05967885

Piston Pump (Implement, Pilot) - Disassemble SMCS - 5070-015-II; 5070-015-PS; 5084-015-QP; 5085-015-QP

Disassembly Procedure Table 1 Required Tools Tool

Part Number

Part Description

Qty

1U-7600

Slide Hammer Puller Gp

1

Threaded Adapter Gp

1

Retaining Ring Pliers As

1

A 4C-5648 B

136-1452

Start By: A. Remove the pump. Refer to Disassembly and Assembly, "Piston Pump (Implement, Pilot) Remove".

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

Illustration 1

g01145867

1. Remove bolts (1) and head (2) .

Illustration 2

g01145869

2. Remove O-ring seals (3) .

Illustration 3

g01145870

Personal injury can result from being struck by parts propelled by a released spring force.

Make sure to wear all necessary protective equipment.

Follow the recommended procedure and use all recommended tooling to release the spring force.

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

3. Remove bolts (4) and cover (5) .

Illustration 4

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4. Remove O-ring seal (6) and the backup ring.

Illustration 5

g01145872

5. Remove spring (7) .

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

Illustration 6

g01145873

6. Remove bolts (8) , the cover, locknut (9) , and adjustment screw (10) .

Illustration 7

g01145874

7. Remove piston (11) , the O-ring seal, and the backup ring.

Illustration 8

g01145875

8. Remove piston (12) and ball (13) .

Note: Do not use an impact wrench in order to remove piston (12) .

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

Illustration 9

g01145877

9. Remove bolts (14) , the cover, locknut (16) , and adjustment screw (15) .

Illustration 10

g01145878

10. Remove piston (17) .

Illustration 11

g01145879

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11. Remove backup ring (18) , O-ring seal (19) , O-ring seal (20) , backup ring (21) , and valve (22) .

Illustration 12

g01145880

12. Remove bolts (23) , locknut (24) , adjustment screw (25) , and cover (26) .

Illustration 13

g01145881

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

Illustration 14

g01145882

Personal injury can result from being struck by parts propelled by a released spring force.

Make sure to wear all necessary protective equipment.

Follow the recommended procedure and use all recommended tooling to release the spring force.

13. Remove plug (27) .

14. Remove O-ring seal (32) , O-ring seal (33) , backup rings (34) , valve (31) , spring (30) , retainer (29) , and spool (28) .

Illustration 15

g01145883

15. Remove bolts (35) and flange (36) .

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

Illustration 16

g01145885

Personal injury can result from being struck by parts propelled by a released spring force.

Make sure to wear all necessary protective equipment.

Follow the recommended procedure and use all recommended tooling to release the spring force.

16. Remove bolts (37) and cover (38) .

Illustration 17

g01145886

17. Remove port plate (39) .

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

Illustration 18

g01145887

18. Remove bearing (40) .

Illustration 19

g01145889

19. Remove O-ring seal (41) , O-ring seal (43) , and barrel assembly (42) from the housing.

Illustration 20

g01145890

20. Remove pistons (44) and retainer (45) from barrel assembly.

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEB...

Illustration 21

g01145891

21. Remove pistons (44) from retainer (45) .

Illustration 22

g01145903

22. Remove bearing (46) .

Illustration 23

g01145904

23. Remove retainer (47) .

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEB...

Illustration 24

g01145906

24. Remove springs (48) from barrel (49) .

Illustration 25

g01145907

25. Remove retaining ring (50) and cover (51) .

26. Use Tooling (A) in order to remove cover (51) .

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEB...

Illustration 26

g01145908

27. Remove O-ring seals (52) .

Illustration 27

g01145909

28. Remove lip seals (53) .

Illustration 28

g01145911

29. Use Tooling (B) in order to remove retaining ring (54) .

30. Remove shaft assembly (55) .

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEB...

Illustration 29

g01145912

31. Remove retaining ring (56) and bearing (57) from shaft assembly (55) .

Illustration 30

g03741924

32. Remove bearing race (40A) from shaft assembly (55) .

Illustration 31

g01145913

33. Remove swashplate (58) .

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEB...

Illustration 32

g01145915

34. Remove bearings (59) from swashplate (58) .

Illustration 33

g01146141

35. Remove bearings (60) .

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEB...

Illustration 34

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g01146142

36. Remove bolts (61) and cover (62) .

Illustration 35

g01146143

37. Remove bolts (63) and cover (64) .

Copyright 1993 - 2020 Caterpillar Inc.

Thu Mar 19 11:42:37 UTC+0800 2020

All Rights Reserved.

Private Network For SIS Licensees.

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

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Shutdown SIS Previous Screen Product: WHEEL LOADER Model: 966H WHEEL LOADER A6G Configuration: 966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine

Disassembly and Assembly 966H and 972H Wheel Loaders Machine Systems Media Number -RENR8859-07

Publication Date -01/03/2014

Date Updated -14/12/2016

i05967886

Piston Pump (Implement, Pilot) - Assemble SMCS - 5070-016-II; 5070-016-PS; 5084-016-QP; 5085-016-QP

Assembly Procedure Table 1 Required Tools Tool

Part Number

Part Description

Qty

B

136-1452

Retaining Ring Pliers As

1

C

154-9731

Thread Lock Compound

1

Illustration 1

g01146143

1. Install cover (64) and bolts (63) .

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2020/3/19

966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

Illustration 2

g01146142

2. Install cover (62) and bolts (61) .

Illustration 3

g01146141

3. Install bearings (60) .

Illustration 4

g01145915

4. Install bearings (59) onto swashplate (58) .

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

Illustration 5

g01145913

5. Install swashplate (58) .

Illustration 6

g01145912

6. Raise the temperature of bearing (57) .

7. Install retaining ring (56) and bearing (57) onto shaft assembly (55) .

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

Illustration 7

g01145911

8. Install shaft assembly (55) .

9. Use Tooling (B) in order to install retaining ring (54) .

Illustration 8

g01145909

10. Install lip seals (53) .

Illustration 9

g01145908

11. Install O-ring seals (52) .

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

Illustration 10

g01145907

12. Install cover (51) .

13. Install cover (51) and retaining ring (50) .

Illustration 11

g01145906

14. Install springs (48) into barrel (49) .

Illustration 12

g01145904

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966H Wheel Loader A6G00001-UP (MACHINE) POWERED BY C11 Engine(SEBP...

15. Install retainer (47) .

Illustration 13

g01145903

16. Install bearing (46) .

Illustration 14

g01145891

17. Install pistons (44) into retainer (45) .

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