Manitowoc Grove RT765E-2 Service And Maintenance Manual

HYDRAULIC SYSTEM RT765E-2 SERVICE MANUAL
2-66
Published 9-04-2014, Control # 422-08
Assembly
NOTE: Lubricate seals and rings with clean hydraulic oil.
1. Install head retainer ring on rod.
2. Install two new threaded inserts into head.
3. Install the wiper ring and backup ring in the inside of the
retaining ring.
4. Install the replacement wear rings, buffer seal and deep
Z rod seal in the inside of the head. Make sure the buffer
seal’s step is closer to the deep Z rod seal Figure 2-37.
Make sure the deep Z rod seal’s rim groove is closer to
the buffer seal.
5. Install the replacement o-ring and backup ring on the
outside of the head.
6. Install the replacement piston seal in the inside of the
piston.
7. Lubricate the rod with clean hydraulic oil.
8. Install the retaining ring onto the rod.
9. Slide the head onto the rod.
10. Screw the piston onto the rod tightly. Secure the piston
with the setscrew.
11. Install the replacement hydrolock seals on the outside of
the piston Figure 2-38. Make sure the “vees” on the two
hydrolock seals point at each other.
12. Lubricate all parts freely with clean hydraulic oil.
Item Description
9O-ring
10 Backup Ring
11 Wear Ring
12 Buffer Seal
13 Rod Seal
14 Backup Ring
15 Wiper Ring
16 Capscrew
17 Insert
18 Capscrew
19 Flatwasher
20 Plug
21 Plug
22 Setscrew
23 Tube
24 Adapter
25 Plug
26 Grease Fitting
27 Grease Fitting
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.
Damage to the cylinder or unexpected operation may
result.
Item Description
1 Buffer Seal
2 Deep Z Rod Seal
3 Backup RIng
4 Wiper Ring
4
2
1
FIGURE 2-37
3
Hydrolock Piston Seals
FIGURE 2-38
Reference Only

Manitowoc Grove RT765E-2 Specifications

General

Brand	Manitowoc
Model	Grove RT765E-2
Category	Construction Equipment
Language	English