TM 10-3930-675-24-2
BOOM ASSEMBLY REPLACEMENT - CONTINUED
0258 00
REMOVAL
1.
Fully retract boom (TM 10-3930-675-10).
NOTE
Use a jeweler's screwdriver to disconnect electrical leads from boom junction box.
2.
3.
Remove boom extension sensor (WP 0100 00). Remove sensor cable from attachment to boom assembly (8) and from
boom junction box (7). Discard tiedown straps removed.
4.
Disconnect electrical leads of wiring harness (6) from boom junction box (7).
5.
Disconnect boom wiring harnesses (5) from two connectors (4).
6.
Remove wiring harnesses (2 and 6) from attachment to boom assembly (8). Discard tiedown straps removed.
7.
Disconnect hydraulic hoses (1) from hydraulic pipes (3) (WP 0182 00). Remove hydraulic hoses from attachment to
boom assembly (8).
3
2
4
1
5
8
7
6
4
8.
NOTE
With boom fully retracted, boom assembly's center of gravity is 142 in. (360.6 cm), as measured for-
ward from center of pivot shaft that attaches boom assembly to boom support.
9.
Sling boom assembly, using a 20-ton crane or other suitable lifting device. Attach slings to lifting eyes at each end of
boom assembly (8). Take up slack in slings.
10.
Remove lift cylinders from boom assembly (8) and rest cylinders on blocks of wood on frame (WP 0252 00).
11.
Remove screw (11) and lockwasher (12) from each side of boom support (9). Discard lockwashers.
0258 00-2