TM
32-5895-248-14&P
(10) Wrap plastic electrical tape around all new
c r i m p e d connections.
(1) Open cabinet door.
( 1 1 ) Turn the light circuit breaker to ON and test
(2) Remove knob cap.
the new switch.
(3) Remove knob mounting screw, lock washer, and
(12) If the light works, replace the light fixture and
flat washer.
secure it to the upper cabinet with the six sets of hardware
( 4 ) Remove the knob and the two assembly hard-
provided.
ware sets. Remove fastener housing from inside of door.
(13) If the light does not work, troubleshoot the unit
( 5 ) Place new fastener housing in door and fasten
as outlined in table 4-2 to determine the cause.
with the assembly hardware.
( 6 ) Replace knob and secure with knob mounting
c. Ballast.
screw, lock washer, and flat washer.
(7) Replace knob cap.
(1) Perform steps (1) through (4) of paragraph 5 - 8 b .
(2) Remove the two sets of hardware securing the
REPLACEMENT
OF
CONSOLE
LIGHT
UNIT
ballast to the light unit housing. Remove green ground wire.
A S S E M B L Y C O M P O N E N T S . The following paragraphs
R e m o v e the bare ground wire twisted around the screw
p r o v i d e procedures for replacement of console light unit
under the ballast.
a s s e m b l y components (figure 5-5). Figure 5-6 presents a
(3) Remove the screw holding each one of the lamp-
wiring diagram of the console lighting circuit.
holders to the light unit housing and then remove the lamp-
holders.
a Fluorescent Lamp (18-inch X 1-1/2 inch, 15-Watt).
(4) Remove the insulation clip on the back of each
of the lampholders.
(1) Set the light switch to off.
(5) Disconnect the two red wires from the terminals
(2) Pull back tip of one lamp holder and slide corre-
of one lampholder and the two white wires and one blue
sponding end of fluorescent lamp out of the lamp holder.
wire from the terminals of the other lampholder.
(3) Pull other end of fluorescent lamp out of its lamp
(6) Remove old ballast from unit.
holder.
( 7 ) Sandpaper around the holes for the ballast on
(4) Place one end of the new fluorescent lamp in the
the inside of the light unit housing.
lamp holder.
(8) Put new ballast into place and secure it with the
( 5 ) Pull back tip of the opposite lamp holder and
hardware sets.
insert the lamp in the holder.
(9) Reconnect the ballast wires to the lampholders
and replace the lampholders.
b. Switch.
( 1 0 ) Using butt connectors, reconnect the wires to
the switch and the incoming power lines.
(1) Remove fluorescent lamp as outlined in para-
(11) Replace the lamp and restore power to the light
graph 5-8a.
unit.
(2) Bring a light extension into the central and plug
( 1 2 ) Test the unit. If the unit works, replace the
into convenience outlets.
fixture and secure it to the upper cabinet.
(3) Set the light circuit breaker to OFF.
( 1 3 ) If the light unit does not work, troubleshoot
( 4 ) Remove the six sets of hardware holding the
as outlined in table 4-2.
light unit assembly to the upper cabinet. Lower light unit
t o the work surface without putting any tension on the
5-9 REPLACEMENT OF MAP BOARD LIGHT UNIT
A S S E M B L Y C O M P O N E N T S . The following paragraphs
wires.
( 5 ) Cut the two black wires extending from the
provide procedures for replacement of map board light unit
switch behind the original crimp.
a s s e m b l y components (figure 5-7). Figure 5-8 presents a
( 6 ) With a pair of pliers loosen and remove the
wiring diagram of the map board lighting circuit.
knurled panel nut holding the switch to the light unit.
(7) Remove the old switch.
a. Fluorescent Lamp (18-inch X l-inch, 15-Watts).
(8) Place new switch in hole of light unit and fasten
with knurled panel nut.
(1) Set the light switch to off.
( 9 ) Connect wires of new switch to end of wires
(2) Remove the three hardware sets securing the
previously cut, using solderless butt connectors and a
lamp housing faceplate to the map board assembly. Remove
crimping tool.
faceplate.
5-6
