Testing (Cont).

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 (Cont).

NOTE

The following step activates the thermal battery which will supply power to the ASPSU for only

116 seconds. Step 7 below must be accomplished within 115 seconds after arming the ASPSU.

(6) Place the ASPSU ARM switch in the up position. Verify that the arming cable has been pulled out from the

ASPSU approximately 1 inch.

(7) Place the ALT. DECR. switch (7) in the up

position.

(8) Observe altimeter as it approaches the

firing altitude of the specified drop zone and note when

the ASPSU fires.

(9) If cutter fails to fire, report failure to the

appropriate agency.

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