TM 9-2350-238-34-2
2-28. MAINTENANCE OF BOOM AND WINCHCONTROL CYLINDERS AND AT-
TACHING PARTS AND BOOM CONTROL CYLINDER ASSEMBLY (CONT).
BOOM DROP RATE TEST
l Make sure alll personnel stand clear when operating boom to avouid injury to per-
l sonnel.
l When testing hydralic system, be sure boom is in stowed position as failure of
s y s t e m m a y r e s u l t i n i n j u r y o f p e r s o n n e l .
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1
2
3
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5
Turn off hydraulic syste,m (TM 9-2350-238-10
Using thermometer, measure and record temperature of hydraulic fl;uid Tm 9-2350-20-2
Hydraulic syustem is under high pressure. Follow hydraulic system, safety pro-
c e d u r e s
t o
p r e v e n t
i n j u y r y
T M
9 - 2 3 5 0 - 2 3 8 - 2 0
Turn on hydraulic system (TM
9-2350-238-10).
Set boom winch shift control lever (1) to
LO.
Push in BOOM WINCH BRAKE PRESSURE
SELECTOR knob (2).
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