Power Transformer Removal - IBM 5150 Hardware Maintenance Manual

Power Transformer Removal
1.
Position Printer Power switch to OFF; unplug printer power
cord from wall outlet and disconnect Parallel Printer Cable.
2.
Remove forms.
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3. Remove forms rack (See page 3-56).
4. Remove access cover (See page 3-32).
5.
Remove top cover (See page 3-88).
DANGER: STATIC VOLTAGE MAY BE PRESENT
ON THE FUSE-FILTER CARD.
USE CAUTION IN THIS AREA.
6.
Unplug connector
II
from fuse-filter card.
7.
Unplug connector
iii
from control circuit card.
8.
Remove screw
II
from transformer ground wire.
9. Remove two screws
II
from base of transformer.
10.
Lift transformer from base.
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3-74