Manitowoc Grove RT540E Service Maintenance Manual

Published 4-20-2015, Control # 502-01 2-61
RT540E SERVICE MANUAL HYDRAULIC SYSTEM
2
GROVE
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 holding valves. Refer to HOLDING
VALVES in this section.
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 into the cylinder head.
3. Install the wear rings into the head (Figure 2-31).
4. Install the buffer seal, rod seal and backup ring inside
the head ensuring the seals are assembled properly and
installed in the correct direction (Figure 2-31).
5. Install the O-ring and backup ring onto the outside of the
head.
6. Install the inner cylinder head onto the inner cylinder rod.
7. Install the wear ring onto the spacer and install the
spacer onto the rod.
8. Install the O-ring and backup rings onto the rod and
install the piston onto the inner cylinder rod. Secure the
piston in place with the setscrew.
9. Install the hydrolock seals onto the piston (Figure 2-32).
10. 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.
11. Using a spanner wrench, secure the inner cylinder head
to the outer cylinder rod.
12. Install the wiper ring into the outer cylinder head.
13. Install the wear rings into the head.
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.
FIGURE 2-31
Wiper Ring
Rod Seal
Buffer Seal
Wear Ring
Backup Ring
6488-2
CAUTION
Improper seal installation can cause faulty cylinder
operation.
CAUTION
Avoid scratching or damaging the grooved and gland
surfaces or the seals and rings.
Hydrolock Piston Seals
FIGURE 2-32
Reference Only

Manitowoc Grove RT540E Specifications

General

Brand	Manitowoc
Model	Grove RT540E
Category	Construction Equipment
Language	English