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TM 5-2420-222-34
12-1.
FRAME ASSEMBLY FRONT SUPPORT MAINTENANCE (Con’t).
16.
Position wood blocks under engine assembly (25) and under rear of loader backhoe boom.
17.
Position two 5 ton jackstands under left and right side frames (33).
18.
Remove two capscrews (28) and lockwashers (29) from engine assembly oil pan (32) and frame assembly front
support (6). Discard lockwashers.
19.
Remove four capscrews (27) and lockwashers (26) from frame assembly front support (6) and engine assembly
(25). Discard lockwashers.
20.
Remove two capscrews (36), lockwashers (35), and washers (34) from left and right side frames (33) and siderail
mountings (31). Discard lockwashers.
CAUTION
Ensure that hydraulic and steering lines and hoses are clear before separation.
Failure to do so may damage parts.
21.
Using lifting device and the aid of two assistants, roll frame assembly front support (6) and front axle (30) away
from engine assembly (25) and left and right side frames (33).
22.
Position wood blocks under frame assembly front support (6). Lower lifting device until frame assembly front
support rests on wood blocks. Place wood blocks in front of and behind tires to prevent movement.
12-6
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