T M 9 - 4 9 3 1 - 3 8 1 - 1 4 & P - 2
FRAME 17
Remove Power Supply:
1.
2.
3.
4.
NOTE
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Use this task to remove power supply PS1, PS2, PS3, or
PS4. Power supply PS1 is shown.
l
Read paragraph 2-4 on tagging wires before doing any
work.
l
If power supply (1) is being removed for access; do steps
1, 2, and 3 only.
Unscrew and take out six screws (2), Iockwashers (3), and washers (4) holding wires
(5) to power supply (1) with screwdriver.
TiIt power module (6) enough to unscrew and take out three machine screws (7),
Iockwashers (8), and washers (9) from enclosure (10) with screwdriver. Get rid of
lockwashers (8).
Slowly take out power supply (1).
If power supply (1) is bad, turn in. If OK, set aside for later use.
Follow-on Maintenance:
NOTE: To install power supply PS1, PS2, PS3, or PS4, refer to task 17.
TASK 8 ENDS HERE
Volume IV
2-238
Para. 2-9, Task 8
