JLG 1850SJ Service Manual - Manual (Page 198)

SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
5-28 – JLG Lift – 3121619
14. If removed, install the cylinder length sensor. See Sec-
tion 5.3, Cylinder Length Sensor.
INSERTING ROD OFF-CENTER CAN DAMAGE PISTON AND CYLINDER BARREL
SURFACES. USE EXTREME CARE WHEN INSTALLING CYLINDER ROD, HEAD,
AND PISTON.
15. Clamp barrel securely and support rod.
NOTE: Apply locking primer and JLG Threadlocker (P/N 0100011)
to cylinder head threads.
16. Insert piston end into barrel cylinder. Do not damage or
dislodge piston loading O-ring and seal ring.
17. Continue pushing rod into barrel until cylinder head
gland can be inserted into barrel cylinder..
18. Tighten cylinder head with pin spanner wrench. Torque
to 200 ft-lb (271 Nm).
19. Secure cylinder head (24) with setscrew (1).
28
28
24
1
3
Figure 5-47. Rod and Cylinder Head Installation
.
.
Figure 5-48. Cylinder Head Tightening