2. Shutdown SIS
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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
A
1U-7600 Slide Hammer Puller Gp 1
4C-5648 Threaded Adapter Gp 1
B 136-1452 Retaining Ring Pliers As 1
Start By:
A. Remove the pump. Refer to Disassembly and Assembly, "Piston Pump (Implement, Pilot) -
Remove".
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3. 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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4. 3. Remove bolts (4) and cover (5) .
Illustration 4 g01145871
4. Remove O-ring seal (6) and the backup ring.
Illustration 5 g01145872
5. Remove spring (7) .
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5. 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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7. 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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8. 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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9. 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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10. 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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