SECTION 5 - BASIC HYDRAULICS INFORMATION & SCHEMATICS
31215031
5-47
Assembly
NOTE:
Apply a light film of hydraulic oil to all components before
assembly.
1.
Position cylinder barrel in a suitable holding fixture.
IMPROPER SEAL INSTALLATION CAN CAUSE CYLINDER LEAKS AND IMPROPER
CYLINDER OPERATION.
2.
Install Spanner Nut (13) on Rod (6).
3.
Install Rod Seal (10) and Wiper (12) in Cylinder Head (7).
4.
Install Backup Ring (9), O-Ring (8), and O-Ring (11).
Figure 5-93. Cylinder Head Assembly
Figure 5-94. Cylinder Head Seals
5.
Install wear ring (2) in piston groove.
6.
Install seal (3) in piston groove.
7.
Install setscrew (4) to piston.
Figure 5-95. Piston Seal and Wear Ring Assembly
INSERTING ROD OFF-CENTER CAN DAMAGE PISTON AND CYLINDER BARREL
SURFACES. USE EXTREME CARE INSTALLING CYLINDER ROD AND PISTON.
6.
Insert rod assembly in barrel.
7.
Apply locking primer (JLG PN 0100038) and Medium
Strength Threadlocking Compound to spanner nut
threads (3).
8.
Tighten spanner nut with hook spanner to 57-63 ft-lb
(77-85 Nm).
10
9
8
7
11
12
12
10
7
11
8
9
2
2
3
1
4
4
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