Manitowoc Grove RT880E User Manual

Grove Published 11-10-2014, Control # 524-00 2-105
RT880E SERVICE MANUAL HYDRAULIC SYSTEM
2
1. Install the replacement seal and wiper ring in the inside
of the head.
2. Install the replacement O-rings and the backup ring on
the outside of the head.
3. Install the replacement O-ring in the inside of the piston.
4. Install the wear ring and piston seal on the outside of the
piston.
5. Lubricate the rod with clean hydraulic oil.
6. Slide the head, wiper ring end first, onto the rod.
7. Install the spacer on the rod.
8. Screw the piston onto the rod tightly.
9. Lubricate all parts freely with clean hydraulic oil.
10. Remove the cover from the barrel. Insert the rod and
attached parts into the barrel with a slight twisting
motion.
11. Install new gasket material to the cylinder head retainer
ring flange as follows.
12. Screw the head into the barrel.
13. Using a spanner wrench, continue to screw the head
into place in the barrel.
14. Repeat steps 1 through 13 for the remaining rod assem-
bly.
15. Pressurize and cycle the cylinder with hydraulic oil pres-
sure. Static test the cylinder at 3000 psi (20,685 kPa).
Check for proper operation and any leakage. Make
repairs as needed.
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.

Manitowoc Grove RT880E Specifications

General

Brand	Manitowoc
Model	Grove RT880E
Category	Construction Equipment
Language	English