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  TM 9-2350-222-20-2-1
WINCH AND BOOM CHECKOUT (CONT)
3-3.
FRAME 2
TROUBLESHOOTING
REFERENCE
PROCEDURE
STEP
1.
Check winch and boom hydraulic oil reservoir for full oil
level (TM-10).
2.
Perform the following operations (TM-10)
a. Set reservoir suction shutoff valve open
b. Set selector control valve lever to NEUTRAL
c. Start engine
d. Set HYDRAULIC PUMP switch to ON
3.
Insure that red hydraulic falter indicators are not showing
(TM-10).
Para 4-3
4.
Check that boom moves smoothly and at proper rate with
boom control valve lever (TM-10).
Lifting capacity is 17,500 pounds
with single part line rigging.
Para 4-3
With a load suspended from cable check that winch drum
5.
raises and lowers smoothly and at proper rate with winch
control valve lever (TM-10).
6.
Check that winch brake can hold a load suspended.
Para 4-3
7.
Boom moves steadily and does not drop rapidly after
passing top dead center when stowing boom with winch
(TM-10).
Perform the following boom stowing operations (TM-10):
8.
a. Secure staylines in J-hooks
b. Secure boom in travel locks
c. Set HYDRAULIC PUMP switch to OFF
d. Stop engine.
END OF TASK
Para 3-3 Cont
3-9
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