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TM 10-3930-659-20
13-3.
COUNTERWEIGHT REPLACEMENT.
This task covers:
a.
Removal
b.
Installation
Initial Setup:
Tools/Test Equipment:
Personnel Required: Three
•
Torque wrench multiplier (Item 23,
References:
Appendix F)
•
Socket wrench set, y In. drive (Item 55,
•
TM 10-3930-659-10
Appendix F)
a.
REMOVAL
1.
Attach on-board crane cable (1) to counterweight (2) (see TM 10-3930-659-10). Remove slack from crane cable.
WARNING
•
Use extreme caution when handling heavy parts. Lifting device Is required when parts
weigh over 50 lb (23 kg) for a single person lift, over 100 lb (45 kg) for a two person lift, and
over 150 lb (68 kg) for a three or more person lift. Keep clear of heavy parts supported only
by lifting device. Failure to follow this warning may cause serious Injury or death to
personnel.
•
On-board crane is heavy. Assistant Is required to raise or lower on-board crane to various
operating positions. Assistant Is required to help lower load. Failure to follow this waring
may result in Injury to personnel.
2.
Remove four bolts (4), washers (3), and counterweight (2) from frame (5). Using on-board crane, lower
counterweight to ground.
3.
Remove on-board crane cable (1) from counterweight (2) (see TM 10-3930-659-10).
b.
INSTALLATION
1.
Attach on-board crane cable (1) to counterweight (2) (see TM 10-3930-659-10).
13-6
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