4-18. ASPSU - Aline (Cont)
ASPSU alinement shutdown.
Return ASPSU TEST switch (6) to the OFF position. Turn PUMP switch (3) to the off position.
Place PRES. DUMP switch (9) to the up position to depressurize chamber.
c. Place AC POWER switch (1) to the OFF position.
Always insure that the ASPSU test set is depressurized before attempting to open chamber door
as personnel injury may result.
Raise the ASPSU test set pressure chamber door.
Return ALT. DECR. switch (8) to the down position. Place the PRES. DUMP switch (9) to the down
Disconnect the test set cable from the ASPSU and the test set.
Close test connector cover on ASPSU and tighten two screws.
Lift ASPSU from test set.
Tag the ASPSU in accordance with TB 750-126.
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