Christie DWU851 Service Manual page 68

DWU851(DD1-WU70P/71P) / DHD851(DD1-HD70P/71P) / DWX851(DD1-WX70P/71P)
LAMP EXHAUST DUCT (LAMP DOOR RELAY PCB)
Disassembling
1. Disconnect all the harnesses from the LAMP DOOR RELAY PCB.
2. Remove a screw from the power unit
circuit case which secures the earth
cable CNGD2.
3. Remove 3 screws and lift the LAMP
EXHAUST DUCT to detach it.
4. Remove 3 screws and CNGD2, and
lift then slide the LAMP DOOR RELAY
PCB to detach.
Assembling
NOTE:
Be careful not to use wrong screw.
2 types of screws are used at this block.
1. Check the wiring if it is properly prepared.
2. Put the edge of LAMP DOOR RELAY PCB
under the ribs on the LAMP EXHAUST DUCT,
the PCB. Screw them down together with the
earth cable CNGD2.
3.
duct.
4. Screw down the LAMP EXHAUST DUCT, and screw the end of CNGD2 on the power unit circuit
case as before.
5. Connect and wire all the cables as before.
Wiring
Connect and wire the thermal sw. TSW cables (CNTS1/2) and CNLDD as below.
Connect CNTS1 (TSW1) and CNTS.
There is no problem even if they are
connected to whichever.
Connect CNTS2 (TSW2).
LAMP DOOR RELAY PCB
DWU851/DHD851/DWX851
Service Manual
020-000755-01 Rev. 1 (11-2014)
LAMP EXHAUST DUCT
Boss
T3x12, black screw, torque: 0.68~0.88N·m
LAMP DOOR RELAY PCB
Rib
T3x10, black screw, torque: 0.68~0.88N·m
Turn twice and
bind it with tape.
Connect CNLDD.
Pass CNLDD through the hook, and put it
LAMP DOOR RELAY PCB side of 3rd boss.
67
Power unit circuit case
CNGD2
Boss
60mm
<CNGD2>
Pass CNTS1 and CNTS through the hook,
and anterior two gaps between the bosses
in order of CNTS1 and CNTS.
CNGD2
Power unit circuit case
CNGD2
Rib