TM 9-2350-238-10
Item
No.
33
34
Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR THE
RECOVERY VEHICLE M578–CONTINUED
Interval
After
After
Item to
Check/Service
Suspension
Lockout
System
(Continued)
Spade
Procedure
b. Check for defective lockout
cylinders.
(1)
(2)
(3)
(4)
(5)
Lower
Place a wood block, 4 to 6
in. (10.16 to 15.24 cm) high,
under one track.
Start engine and make sure
lockout control valve handle
is in UNLOCKED position.
Drive vehicle over block
slowly. Watch road wheels.
All road wheels should rise
over block. If any do not rise,
notify unit maintenance.
Set lockout control valve
handle in LOCKED position.
Drive vehicle over block
slowly. Watch road wheels.
Except as noted above,
wheels should remain rigid. If
any wheel rises, notify unit
maintenance.
and raise spade, checking for
cracks at cylinder mounting points,
smoothness of operation, and leaks.
Not fully Mission
Capable if:
Two front or two
rear lockout cylin-
ders are inoperative.
Two lockout
cylinders are in-
operative on one
side of vehicle.
During operation,
spade cannot be
emplaced or re-
tracked to stowed
position.
Cracks exist at
cylinder mounting
points or class Ill
leak is present.
2-41
