Telescope Cylinder; Removal - JLG 1850SJ Service And Maintenance Manual

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4.4 TELESCOPE CYLINDER

1. Remove the boom from the machine. Refer to Section -

Boom Recovery Mode.

2. Remove the bolts and shims securing the telescope cyl-

inder rod trunnion blocks to boom section 1 and

remove the trunnion blocks. Using a hydraulic power

supply, extend the telescope cylinder out of boom sec-

3. Remove the bolts and shims securing the telescope cyl-

inder barrel trunnion blocks to boom section 2 and

remove the trunnion blocks.

SECTION 4 - BOOM & PLATFORM

4. Remove the bolts securing the adjustment mount and

disconnect the adjustment mount from boom section 1.

5. Carefully pull the cylinder and ropes from the boom

assembly until there is access to the extend rope sup-

port. As the cylinder and ropes are removed from the

assembled boom, do not allow slack to accumulate in

the ropes between the rope support and the sheaves on

the cylinder assembly. The rope adjuster mount must

travel at twice the rate the cylinder is extracted to con-