2-92 Published 11-22-2016, Control # 345-12
HYDRAULIC SYSTEM RT9130E-2 SERVICE MANUAL
5. Using a means of collecting the oil, remove the port
plugs and allow cylinder to drain.
6. Rapidly pull the rod against the head to free it. Remove
rod and attached parts from the barrel. Place the rod on
a surface that will not damage the chrome or allow the
rod assembly to drop.
NOTE: Cover the barrel opening to avoid contamination.
7. Remove the seal from the outside of the piston.
NOTE: Arranging discarded seals and rings in the order of
disassembly will aid in installation of new seals and
rings. Pay attention to how each seal and ring is
installed to avoid installing replacement seals and
rings improperly.
8. Loosen and remove the nut securing the piston.
Remove the piston from the rod.
9. Remove the O-ring from the inside of the piston.
10. Remove the head from the rod.
11. Remove the O-ring and backup ring from the outside of
the head. Remove the wiper ring and the rod seal from
the inside of the head.
Inspection
1. Clean all parts with solvent and dry with compressed air.
Inspect for damaged or worn parts and replace as
required.
2. Stone out minor blemishes and polish with fine crocus
cloth.
3. Clean with solvent and dry with compressed air any
parts that have been stoned and polished.
4. Inspect the barrel for scoring.
Assembly
NOTE: Lubricate new seals and rings with clean hydraulic
oil.
1. Install the replacement wiper ring into the head.
2. Install the rod seal in the inside of the head. Make sure
the lips of the seal face the piston.
CAUTION
Possible Equipment Damage!
When removing seals and rings, avoid scratching the
grooved and gland surfaces.
CAUTION
Possible Equipment Damage!
Clean all surfaces and remove all burrs and nicks before
installing new seals and rings. Replace all damaged or
worn parts.
CAUTION
When installing new seals and rings, clean all surfaces
and carefully remove burrs and nicks. Parts displaying
excessive wear or damage should be replaced.
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