JLG 450A_AJ Series II Service Manual - Manual (Page 262)

SECTION 5 - HYDRAULICS
5-22 – JLG Lift – 3121290
APPLY JLG THREAD LOCKING COMPOUND P/N 0100011 TO TAPERED BUSHING
BOLTS WHEN REBUILDING MASTER, SLAVE, LIFT, OR TELESCOPE CYLINDERS.
TIGHTEN TO SPECIFIED TORQUE.
10. Install bolts in tapered bushing using JLG Thread Lock-
ing Compound P/N 0100011. Torque to 5 ft-lb (6.7 Nm).
Figure 5-41. Tapered Bushing Installation
11. Remove cylinder rod from holding fixture.
12. Place new guide locks and seals in applicable outside
diameter grooves of cylinder piston.
13. Position cylinder barrel in suitable holding fixture.
INSERTING ROD OFF-CENTER CAN DAMAGE PISTON AND CYLINDER BARREL SURFACES.
USE EXTREME CARE WHEN INSTALLING CYLINDER ROD, HEAD, AND PISTON.
14. Clamp barrel clamped securely and support rod. Insert
piston end into barrel cylinder. Do not damage or dis-
lodge piston loading O-ring and seal ring.
15. Continue pushing rod into barrel until cylinder head
gland can be inserted into barrel cylinder.
16. Apply locking primer and locking compound to eight
socket head bolts. Secure cylinder head and washer ring
with socket head bolts. Torque to 30 ft-lb (40.6 Nm).
Figure 5-42. Rod Assembly Installation