CAUTION
TM 9-2350-238-20- 2
Table 2-2. PREVENTIVE MAINTENANCE CHECKS AND SERVICES WIT H
Item
No.
1 9
2 0
Interval
S
S
INSTRUCTIONS FOR M578 RECOVERY VEHICLE (CONT )
Item To Check/
Service
Boom Winch
and Tow
Winc h
Controls
Crane Traver-
sing, Crane
and Boom
Controls
2-10.1 6
Change 1
LUBRICATIO N
Procedure
a.
b.
c.
d.
e.
a.
b.
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.
Start engine and operate hydraulic pumps to
pressurize hydraulic system.
Check shift control of both winches. Pay in
cables in hi-lo settings, checking for smooth-
ness of operation.
Set 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
resulting from kinks, bends, crushed sections, or
fraying which cause potential weak points and
hazard. 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
pressure.
Clean hydraulic reservoir filter and strainer
assembly; refer to Item 7.
Not Fully Mission
Capable If:
Class Ill leaks or
any unusual
noises.
Any loose lines,
fittings, and
pump mount
bolts. Any leaks
or pump will not
pressurize hy-
draulic system.