Grove Published 11-22-2016, Control # 345-12 2-89
RT9130E-2 SERVICE MANUAL HYDRAULIC SYSTEM
9. Remove the head from the rod.
10. Remove the O-ring and the backup ring from the outside
of the head and the two wear rings, buffer seal, rod seal
and wiper ring from the inside of the head.
Inspection
1. Clean all parts with solvent and dry with compressed air.
Inspect all parts for serviceability.
2. Inspect the barrel carefully for scoring. If barrel is
scored, it must be repaired or replaced.
3. Check piston for damage. If piston is damaged,
determine if it can be repaired or must be replaced.
4. Inspect rod for straightness. Determine if it can be
straightened or must be replaced. Verify internal
passages and ports are clean and undamaged.
5. Stone out minor blemishes and polish with a fine crocus
cloth.
6. Clean with solvent and dry with compressed air any
parts that have been stoned and polished.
CAUTION
Before installing new seals and rings, clean all surfaces
and carefully remove burrs and nicks. Parts displaying
excessive wear or damage should be replaced.
FIGURE 2-53
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