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TM 5-2420-222-34
15-2.
BACKHOE BOOM MAINTENANCE (Con’t).
f.
INSTALLATION
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.
1.
Using lifting device, position backhoe boom (1) in place on
swing frame with pin holes alined.
2.
Position two washers (5) between backhoe boom (1) and swing
frame and install two pins (4) with screw holes alined.
3.
Install two screws (2) and nuts (3) in backhoe boom (1) and
pins (4).
4.
Remove lifting device from backhoe boom (1).
FOLLOW-ON TASKS:
•
Install backhoe dipperstick (see paragraph 15-1).
•
Install crowd cylinder (see TM 5-2420-222-20).
•
Install boom cylinder (see TM 5-2420-222-20).
TA701639
15-10
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