TM-9-2350-238-34-2

CRANE (CAB) COMPONENTS, RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

APRIL 1992

TM-9-2350-238-34-2 - Page 111 of 327

TM 9-2350-238-34-2

2-28. MAINTENANCE OF BOOM AND WINCH–CONTROL CYLINDERS AND AT-

TACHING PARTS AND BOOM CONTROL CYLINDER ASSEMBLY (CONT).

BOOM DROP RATE TEST

●

Make sure alll personnel stand clear when operating boom to avouid injury to per-

l

sonnel.

●

When testing hydralic system, be sure boom is in stowed position as failure of

system may result in injury of personnel .

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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-

cedures to prevent injuyry TM 9-2350-238-2 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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