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TM 5-2420-222-34
15-4.
BACKHOE MAIN FRAME MAINTENANCE (Con’t).
3.
Install swing cylinders (see TM 5-2420-222-20).
4.
Install hydraulic impactor valve (see TM 5-2420-222-20).
5.
Install stabilizers (see TM 5-2420-222-20).
6.
Install backhoe stabilizer cylinders (see TM 5-2420-222-20).
7.
Install backhoe control valve-to-stabilizer cylinder oil lines (see TM 5-2420-222-20).
f.
INSTALLATION
1.
With the aid of an assistant, position two towbars (6) in place on side frames (11).
2.
Install two pins (13) in side frames (11) and towbars (6) with ball-peen hammer and wood block.
3.
Using retaining ring pliers, install four retaining rings (5) on pins (13).
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.
4.
Using lifting device and the aid of two assistants, raise and position main frame (1) in place on side frames (11)
and towbars (6) with pin holes alined.
5.
Install two pins (10) in main frame (1) and two side frames (11). Install four new cotter pins (9) in pins.
TA701649
15-20
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