TM 10-1670-305-23&P
0015 00-1
TROUBLESHOOTING PROCEDURES
0015 00
INITIAL SETUP INFORMATION
MAINTENANCE
LEVEL
MATERIALS
Maintainer
Model 451 Automatic Ripcord Release
TABLE 1. TROUBLESHOOTING
TEST CHAMBER ASSEMBLY, MODEL 452
Malfunction
Probable Cause
Corrective Action
a. Power cord not plugged
in.
a. Plug power cord into 110
VAC, 60 Hz outlet.
1. Unit fails to operate.
b. Blown fuse.
b. Replace fuse.
2. Either fan fails to spin after
repeated attempts.
a. Worn or damaged
vacuum pump or
compressor.
a. Replace vacuum pump or
compressor (WP 0021 00).
a. Severe leak in system.
a. Finger tighten external
fittings to chamber and
vacuum pump.
b. Loose or damaged
altitude chamber gasket.
b. Replace altitude chamber
gasket. (WP 0021 00).
3. Altitude chamber does not
gain altitude.
c. Damaged vacuum pump
chamber.
c. Replace vacuum pump
(WP 0021 00).
a. Damaged AR2.
a. Replace AR2 and attempt
to cock a known serviceable
AR2.
b. Damaged compressor.
a. Replace compressor (WP
0021 00).
4. Fan is spinning but
compressor does not cock
AR2 in Test Chamber.
c. Leak in cylinder.
b. Replace Test Chamber.
5. Pressure gage fails to
operate properly and
compressor is good.
a. Damaged pressure gage.
a. Replace Test Chamber.
