Manitowoc Grove RT540E Service Maintenance Manual

Published 4-20-2015, Control # 502-01 2-67
RT540E SERVICE MANUAL HYDRAULIC SYSTEM
2
GROVE
7. Stone out minor blemishes and polish with a fine crocus
cloth.
8. Clean with solvent and dry with compressed air any
parts that have been stoned and polished.
Assembly
NOTE: Lubricate seals and rings with clean hydraulic oil.
1. Install the replacement wiper ring, lip seal, buffer seal
and wear ring in the inside of the head.
2. Install the replacement O-rings and backup ring on the
outside of the head.
3. Install the lip seals and wear ring onto the outside of the
piston.
4. Lubricate the rod with clean hydraulic oil.
5. Slide the head, onto the rod. Tap the head with a rubber
mallet to engage the seals. Push the head about half
way down the length of the rod assembly.
6. Remove the cover from the barrel.
7. With a hoist, raise the rod assembly back into a vertical
position taking care not to damage the OD seals on the
head and piston.
8. Lubricate the OD seals on the piston and head with
clean light oil and lower the assembly into the barrel.
Stop just before the head enters the barrel.
9. Place a spanner wrench on the head and turn
counterclockwise until the thread clicks, then reverse
direction to clockwise and thread in until there is no gap
between the head shoulder and top of barrel.
10. Install the retaining ring onto the rod.
11. Install the setscrew into the head.
12. Pressurize and cycle the cylinder with hydraulic oil
pressure. Test the cylinder at 25,856 kPa/259 bar (3750
psi). Check for proper operation and any leakage. Make
repairs as needed.
CAUTION
When installing new seals and rings, avoid stretching
seals or scratching the grooved or gland surfaces. Make
sure parts are clean before and during assembly. Make
sure seals and rings are installed in the proper order.
CAUTION
Exercise extreme care when handling the rod. Damage to
the rod surface may cause unnecessary maintenance
and expense. Also, take care to avoid damaging grooved
or gland surfaces or rings or seals during rod insertion.
CAUTION
Do not use air pressure to cycle or pressurize the cylinder.
Reference Only

Manitowoc Grove RT540E Specifications

General

Brand	Manitowoc
Model	Grove RT540E
Category	Construction Equipment
Language	English