TM 10-4320-344-10
Table 2-11.
Preventive Maintenance Checks and Services for Pumping Assembly
Item
No.
10
11
Before
Model 609-C.
(Continued)
Location
Item to
Check/Service
TRAILER CHASSIS
AND ENCL - CONT
Cooling Air/
Engine Exhaust
Procedure
Pull air outlet scoop handle
outward and check that cooling
air outlet scoop and engine
exhaust door open with moderate
pull on handle.
Check for
deformation and missing
hardware.
Push handle inward
and check that both exhaust
door and outlet scoop close
e a s i l y .
If hardware is missing
or scoop or door is loose,
deformed, or hard to operate,
notify unit maintenance.
Not Fully Mis-
sion Capable if:
Outlet scoop or
exhaust door is
inoperable.
Before
Rear Jacks
Check rear jacks for damage and
proper operation.
Check for
damage and excessive wear of
pins that secure rear jacks in
stow and operational positions.
Rear jack is
damaged or
inoperable.
Pin
is missing,
damaged, or
e x c e s s i v e ly
worn.
2-44
Interval
