AND
Defective
removed
[4] Cover apparatus below switch with drop cloth
[6] Remove four mounting screws and
withdraw switch from front of frame
[7] Install surface wire on replacement switch in
same manner as surface wire on defective switch
[8] At front of frame, install replacement switch
[9] Reconnect frame leads to switch terminal and
install any pigtail components as required
for 2 seconds
[12] Rotate
ROS/OFF
switch to
switch
AND
[11] Depress and hold
ON
pushbutton
using screws removed in Step 6
[10] Replace fuses removed in Step 3
PWR OFF
lamp goes off
REPLACE POWER SWITCH
wiring to switch terminals
[5] See NOTE 2. Tag and remove frame
normal position [NOTE 3]
[1] See NOTE 1. At power switch,
rotate
ROS/OFF
switch to
ROS
[2] Depress
ROS/OFF
switch
[3] Remove power switch fuses [TABLE A, Page 2]
lamps light
OS
and
OFF NORM
PWR OFF
lamp lights
OS
and
OFF NORM
lamps go off
NOTES
2. Do not remove
surface wiring on
switch terminals.
1. If switch to be
replaced is for
NCSU, operate
switch on each
39B oscillator to
3. If switch replaced
was for NCSU,
oscillator to
on each 39B
operate
ENABLE/
DISABLE
switch
ENABLE
DISABLE
ENABLE/DISABLE
switch (Step 7)
replacement
It is used to
surface wire
DLP
PAGE 1 of 2
234-151-013
523
Issue 7
DEC 1991
Reissued
