HYDRAULIC SYSTEM RT530E-2 SERVICE MANUAL
2-62 Published 4-22-15, Control # 556-00
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 all with solvent and dry with compressed air any
parts that have been stoned and polished.
4. Inspect the barrel for scoring.
Assembly
1. If removed, install the counterbalance valve with the
socket head capscrews.
NOTE: Lubricate new seals and rings with clean hydraulic
oil.
NOTE: Locate the gap of wear ring 180 degrees with
respect to each other.
2. Install the wiper ring, wear rings, buffer seal, rod seal
and wiper ring in the inner cylinder head ensuring the
seals are assembled properly and installed in the correct
direction (Figure 2-32).
3. Install the O-ring and backup ring onto the outside of the
head.
4. Install the inner cylinder head onto the inner cylinder rod.
5. Install the spacer onto the rod.
6. Install the O-rings onto the rod. Secure the piston in
place with the setscrew.
7. Install the hydrolock seals onto the piston (Figure 2-33).
8. Lubricate the inner cylinder rod assembly with clean
hydraulic oil and install the rod assembly into the outer
cylinder rod with a slight twisting motion.
9. Using a spanner wrench, secure the inner cylinder head
to the outer cylinder rod.
23 Head
24 Backup Ring
25 O-ring
26 Wiper Ring
27 Rod Seal
28 Buffer Seal
29 Wear Ring
30 Rod
31 plug
32 Counterbalance Valve
CAUTION
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.
Item Description
CAUTION
Improper seal installation can cause faulty cylinder
operation.
CAUTION
Avoid scratching or damaging the grooved and gland
surfaces or the seals and rings.
FIGURE 2-32
Wiper Ring
Rod Seal
Buffer Seal
Wear Ring
Backup Ring
6488-2
Hydrolock Piston Seals
FIGURE 2-33
Reference Only
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