Fig. 6-91: Extension Cylinder Installation - JLG Lull 1044C-54 II Series Service Manual

Boom and Transfer
6-86
d. Install a cushion clamp (Item 8) on each hydraulic tube as follows:
1). Install plastic cushion (Item 15) on hydraulic tube.
2). Slide left cushion clamp half (Item 14) to correct position in
channel on bottom of outer boom (Item 1).
3). Position tube with cushion next to left cushion half and slide
right cushion half (Item 16) into channel.
4). Secure two halves of clamp together with lock nut (Item 4).
Tighten lock nut until snug.
e. Secure hydraulic tubes to bottom of boom section with two (2) each
clamps (Item 7), lockwashers (Item 6), and nuts (Item 5). Torque
nuts to 96 in-lbs.
1 2
# Description
1 Rod Nut
2 Socket Setscrew
3 Extension Cylinder Rod Boss
4 Middle (Rear) Boom Section
5 Boom Extension Cylinder
6 Capscrew
7 Flatwasher

Fig. 6-91: Extension Cylinder Installation

3. (Ref. Fig. 6-91) Install extension cylinder on outer boom section as
follows:
a. Using sling(s), crane, or other suitable means, position rod end of
cylinder (Item 5) in its proper location on the middle (rear) boom
section (Item 4).
11
6
4
5
3
#
8 Elbow
9 Hydraulic Tube
10 Cushion Clamp
11 Extension Cylinder Base Mount
12 Shim
13 Shim
14 Nut
14
13
12
10
9
7
8
MV0130
Description
31200079