TM 10-1670-265-12&P
T.O. 13C7-1-21
4-17. ASPSU - Test (Cont)
4-17
TESTING (Cont)
3. Destructive test procedures (Cont).
c. Testing.
(1) Insure the ASPSU ARM switch (1) is in the
down position.
(2) Place the AC POWER switch (2) on the test
set to the ON position. The PILOT light (3) should come
on.
(3) Place PUMP switch (4) to the ON position.
(4) Place ALT. INCR. switch (5) in the up
position.
NOTE
If altimeter fails to rise, apply light hand pressure to
the chamber door.
(5) Observe altimeter (6). When altimeter
reaches 10,000 feet, place ALT. INCR. switch in the
down
position.
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