TM 10-1670-265-12&P
T.O. 13C7-1-21
4-18. ASPSU - Aline (Cont)
4-18
ALINEMENT (Cont)
3.
ASPSU alinement check.
a.
Place the AC POWER switch (1) on the test set to the ON position. The PILOT light (2) should come on.
b.
Place PUMP switch (3) to the ON position.
c.
Place ALT. INCR. switch (4) in the up position.
NOTE
If altimeter fails to rise, apply light hand pressure to the chamber door.
d.
Observe altimeter (5). When altimeter reaches 10,000 feet, place ALT. INCR. switch in the down position.
e.
Place ASPSU TEST switch (6) to the ON position.
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