TM 5-3805-254-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
71.
AIR SYSTEM DOES NOT HOLD AIR PRESSURE.
WARNING
Safety goggles must be worn when working with air lines to prevent personal injury.
NOTE
Check AIR PRESSURE gage for air pressure between 90 and 130 psi. If specified air pressure is
not present, start engine and check that air pressure in air system is between 90 and 130 psi (TM
5-3805-254-10). Shut down engine (TM 5-3805-254-10).
Step 1.
Check all airhoses (1), air lines (2), and fittings (3) for leaks.
a. If airhoses (1), air lines (2), or fittings (3) are leaking, replace (page 2-947).
b. If airhoses (1), air lines (2), or fittings (3) are not leaking, go to step 2.
Step 2.
Check automatic drain valve (4) for leaks, or frozen manual drainpin (5).
a. If automatic drain valve (4) is leaking or manual drainpin (5) is frozen, defective
automatic drain valve (4) must be replaced, notify Direct Support Maintenance.
b. If automatic drain valve (4) is not leaking or manual drainpin (5) is not frozen, go to
step 3.
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