JLG 1850SJ Service And Maintenance Manual page 346

SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
10. Install setscrew (13) in piston. Torque to 90 in-lb (10 Nm).
Figure 5-97. Cylinder Head and Piston Assembly
INSERTING ROD OFF-CENTER CAN DAMAGE PISTON AND CYLINDER BARREL
SURFACES. USE EXTREME CARE WHEN INSTALLING CYLINDER ROD, HEAD,
AND PISTON.
11. Clamp barrel securely in suitable fixture and support
rod. Insert piston end into barrel cylinder. Do not dam-
age or dislodge piston O-rings or seal rings.
12. Apply ant-seize compound to cylinder head threads.
13. Continue pushing rod into barrel until cylinder head can
be inserted into barrel cylinder.
14. Screw in cylinder head (5) to barrel (2). Torque to 100 ft-
lb (135 Nm).
5-94
15. Adjust cylinder head until screw hole aligns with barrel.
Install screw (9).
9
2
5
Figure 5-98. Cylinder Head Installation
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