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TM 5-2420-222-34
15-1.
BACKHOE DIPPERSTICK MAINTENANCE (Con’t).
12.
Install backhoe bucket linkage (see TM 5-2420-222-20).
13.
Install backhoe bucket (see TM 5-2420-222-20).
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 dipperstick (2) with assembled parts in place on boom (9) with pin holes alined.
2.
Drive pin (8) in dipperstick (2) and boom (9) with ball-peen hammer and wood block.
3.
Install screw (3) and nut (7) in dipperstick (2) and pin (8).
4.
Remove wood blocks from under crowd cylinder (1) and position on dipperstick (2) with pin holes alined.
5.
Drive pin (5) in dipperstick (2) and crowd cylinder (1) with ball-peen hammer and wood block.
6.
Install screw (4) and nut (6) in dipperstick (2) and pin (5).
7.
Install hydraulic impactor flow regulator-to-nipple quick coupler oil lines (see TM 5-2420-222-20).
8.
Install backhoe control valve-to-female quick coupler oil lines (see TM 5-2420-222-20).
9.
Install manifold block-to-jaw cylinder oil hose oil line (see TM 5-2420-222-20).
10.
Remove lifting device from dipperstick (2) with assembled parts.
TA701636
15-6
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