TM 9-4940-421-14
Table 3-2. Operator/Crew Preventive Maintenance Checks and Services (cont)
LOCATION
NOT FULLY MISSION
ITEM TO
ITEM
PROCEDURE
INTERVAL
CAPABLE IF:
CHECK/SERVICE
NO.
OVERALL SYSTEM CHECKOUT
(CONT)
There is evidence of
Observe if air compressor is frequent-
Air System Leak-
During oper-
23
leakage in air system.
ly cycling on and off when air is not
age
ation, but not
being used. Turn off air compressor
less frequent-
(p. 2-4) and observe pressure gage
ly than week-
reading. Wait several minutes and
ly
check gage again. If there is any evi-
dence of a fall off in pressure which
would indicate the presence of leaks,
notify organizational maintenance.
OPERATIONAL TEST COM-
PLETED
Section III. TROUBLESHOOTING
If a malfunction is not listed or is not corrected by listed
3-5. GENERAL.
corrective actions notify your supervisor.
a. This section contains troubleshooting information
c. The table lists the common malfunctions which
for locating and correcting most of the operating
you may find during the operation or maintenance of the
troubles which may develop in the shop set. Each mal-
shop set or its components. You should perform the
function for an individual component, unit, or system is
tests/inspections and corrective actions in the order
followed by a list of tests or inspections which will help
listed.
you determine corrective actions to take. You should
perform the tests/inspections and corrective actions in
Operation/Crew Troubleshooting information.
the order listed.
b. This manual cannot list all malfunctions that may
occur, nor all tests or inspections and corrective actions.
Section IV. OPERATOR/CREW MAINTENANCE PROCEDURES
(2) Inspect screen for rust corrossion and that air
flows freely through the filter.
a. General. The inlet filter should be serviced week-
ly when in use.
(3) Dip the filter element in OE 10 oil and drain.
to remove filter element.
verse order of removal.
c. Cleaning and Inspection.
(1) Clean filter element and filter screen in solvent
and dry (app D).
3-2.8
Change 1
