GROVE Published 1-20-2017, Control# 483-02 9-15
CD5515-2/YB5515-2 SERVICE MANUAL
Repair Kit Installation
The parking brake has a repair kit available. It includes all the
parts necessary to rebuild the brake. These parts are
indicated in Figure 9-26 with asymbol.
NOTE: When removing seals and backup rings be careful
not to scratch or mar the pistons.
The new linings must be kept free of grease, oil,
etc.
1. Release system pressure by actuating the service brake
pedal until no resistance is felt. Then, engage and
disengage the parking brake to release its pressure.
2. Slowly, loosen the hydraulic hose from the parking
brake. Some pressure may still be present in the
hydraulic hose. Let the pressure escape and then
remove the hydraulic hose.
3. Cap the hydraulic hose to prevent contamination from
entering the hydraulic system.
4. Loosen lock nut 8 Figure 9-26 and back off adjusting bolt
7.
FIGURE 9-26
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1. Capscrew (4)
2. Lockwasher (4)
3. Cover
4. Seal
5. Belleville Springs (5)
6. Washer
7. Adjusting Bolt
8. Lock Nut
9. Piston
10. Backup Ring
11. O-Ring
12. Push Rod
13. O-Ring
14. Backup Ring
15. Piston
16. O-Ring
17. Backup Ring
18. O-ring (2)
19. Piston
20. Lining
21. Screw (2)
22. Lining Assembly
23. Gasket
24. Bushing (2)
25. Lining
26. Housing
27. Screw (2)
28. Seal (2)
29. Grease Zerk
30. Bleeder Screw
31. Mounting Bracket Assembly
32. Nut
33. Bracket
34. Pin
WARNING
Before repairing the parking brake, make sure that the
crane is on level ground. Place chocks on both sides of
the four tires. Remove the ignition key. If these
precautions are not adhered to, the crane could run you
over while performing the repair.
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