JLG 1850SJ Service Manual - Manual (Page 210)

SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
5-40 – JLG Lift – 3121619
INSERTING ROD OFF-CENTER CAN DAMAGE PISTON AND CYLINDER BARREL
SURFACES. USE EXTREME CARE WHEN INSTALLING CYLINDER ROD, HEAD,
AND PISTON.
13. Clamp barrel securely and support rod. Insert piston end
into barrel cylinder. Do not damage or dislodge piston
loading O-ring and seal ring.
14. Continue pushing rod into barrel until cylinder head
gland can be inserted into barrel cylinder.
NOTE: Apply JLG Threadlocker (P/N 0100011) or equivalent to
capscrews.
15. Secure cylinder head (26) and washer ring (27) with
eight capscrews (28).
16. Install two counterbalance valves (3) with new O-rings in
valve block. Torque to 50-55 ft-lb (67-75 Nm)
17. If removed, install the cylinder length sensor. See Sec-
tion 5.3, Cylinder Length Sensor.
1
29
27
28
29
Figure 5-75. Rod Assembly Installation