Table 2-2. PREVENTIVE MAINTENANCE CHECKS AND SERVICES WITH LUBRICATION INSTRUCTIONS FOR M578 RECOVERY VEHICLE (Cont)

9-2350-238-20-2

Table 2-2. PREVENTIVE MAINTENANCE CHECKS AND SERVICES WITH LUBRICATION

INSTRUCTIONS FOR M578 RECOVERY VEHICLE (CONT)

Item

Interval

I t e m To Check/

Procedure

Not Fully Mission

No.

Service

Capable If:

Boom Winch

and Tow

Winch

Controls

If more than half the wires in any single

strand are broken, strands are separating

from pulled out kinks, or if fraying after

crushing under the track, replace damaged

cable.

Class Ill leaks or

Start engine and operate hydraulic pumps to

any unusual

p r e s s u r i z e hydraulic system.

noises.

C h e c k shift control of both winches. Pay in

c a b l e s in hi-lo settings, checking for smooth-

ness of operation.

S e t LEVEL WIND switch ON.

Move cable to left and right. Observe traversing

of cab for smoothness and alinement of cable

to cab. If cab does not traverse, troubleshoot

level wind, refer to page 2-21.

Check boom and tow winch cables for damage

r e s u l t i n g from kinks, bends, crushed sections, or

fraying which cause potential weak points and

h a z a r d . Replace cables if kinked, crushed, or

one half the wires are broken in one strand of

cable, refer to pages 2-148 and 2-137.

Lower boom and relieve any residual hydraulic

Any loose lines,

Crane Traver-

pressure.

fittings, and

sing, Crane

pump mount

and Boom

bolts. Any leaks

Controls

or pump will not

Clean hydraulic reservoir filter and strainer

pressurize hy-

assembly; refer to Item 7.

draulic system.

Change 1

2-10.16