Moving The Power Supply For Printer Servicing; Part Numbers - IBM 5256-1 Maintenance Information Manual

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116
MOVING THE POWER SUPPLY FOR
PRINTER SERVICING
1.
Power off.
2.
Loosen the shipping screws
II
and
II
seven
turns. You may leave them loose except for
shipping.
3.
Loosen the clamping screws
D D II
and
IJ
one-half turn.
4.
Pull the power supply back, at the place shown,
until screws" and
II
strike the stops
II
and
II·.
5.
To place the power supply in normal operating
position, reverse this procedure.
D
Stand-off
for Planar
Power Supply
Pull Here
I
TB2::f
Fan
rl
L
Part Numbers
117 ,
BOARDS, CARDS, INTERPOSERS, AND
JUMPERS
Boards
Part
Planar Board B1 (See
Gi§~
the caution.)
Power Adapter Board C1
4176517
Power Supply Board A 1
1638818
Print Emitter
1638711
Cards
A1A1
5863340
A1B1
5863342
A1B3
5863341
Print Emitter (pickup)
843202
Interposer
2731011
Jumper
1794401
CAUTION
1-16
The logic on planar board B 1 can be damaged by
electrostatic discharge. Do not touch any conducting
(metal) parts. Hold the planar by the plastic frame when
moving it.
Before you take the planar from the bag, hold the bag
and touch the machine frame with your hand. This
removes any static from you and the planar.
Ensure that the component side of the planar is up
when you put the planar on any surface.

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