Main Boom Lift Cylinder; Removal; Installation - JLG 600SC Service And Maintenance Manual

SECTION 4 - BOOM & PLATFORM

4.10 MAIN BOOM LIFT CYLINDER

Removal

NOTE: Refer to Figure 4-4., Main Boom Lift Cylinder Removal and

Installation.

1. Remove main boom assembly with tower link and lift
cylinder from the machine and place it on a suitable
support. Refer to Section 4.9, Main Boom Assembly for
removal procedure.
2. Place blocking under the lift cylinder to prevent it from
falling when the attaching hardware is removed.
3. Attach an adequate lifting device and sling to the main
lift cylinder.
NOTE: The Main Lift Cylinder weighs approximately 557 lbs.
(253 kg).
4. Remove trunnion pins (1), hardware and bearings (if
necessary) securing boom lift cylinder to the tower link.
5. Carefully lift the cylinder clear of the tower link and
lower to the ground or suitably supported work area.
4-16

LIFT CYLINDER
Figure 4-4. Main Boom Lift Cylinder Removal and Installation
Installation
1. Using an adequate lifting device, position the lift cylin-
der in tower link in the same manner that it was
removed.
2. Install trunnion pins (1), hardware and bearings securing
boom lift cylinder to the tower link.
3. Install main boom assembly with tower link and lift cyl-
inder to the turntable. Refer to Section 4.9, Main Boom
Assembly for Install procedure.
TOWER LINK
1
MAE24200
3121776