Christie DWU851 Service Manual page 86

DWU851(DD1-WU70P/71P) / DHD851(DD1-HD70P/71P) / DWX851(DD1-WX70P/71P)
BATTERY PCB)
Remove the MAIN PCB block before disassembling
the REAR POWER UNIT.
Disassembling
1) Remove 2 silver and 3 black screws, detach the AC
holder and disconnect CNAWV from the AC WATCH
PCB.
2) Remove 3 silver screws to detach the earthing terminal
and the grounding wire of CNAC.
3) Disconnect all the cables on the POWER UNIT
COOLING. Remove 3 black screws to detach the
POWER UNIT COOLING.
4) Detach the POWER INTAKE FAN.
5) Remove a screw to detach the holder and the BATTERY
PCB.
AC holder
T3x12 black screws
Torque: 0.68-0.88Nm
M3x8 silver screws M3 8 sil er scre s
Torque: 0.39-0.59Nm
AC holder
Air Flow
POWER
INTAKE FAN
POWER UNIT
COOLING
BATTERY PCB
DWU851/DHD851/DWX851
Service Manual
020-000755-01 Rev. 1 (11-2014)
(AC WATCH PCB, POWER UNIT COOLING, POWER INTAKE FAN,
Torque: 0.68-0.88Nm
T3x12 black
screws
M4x8 silver screws
Torque: 0.39-0.59Nm
M4x8 silver screws
Torque: 0.39-0.59Nm
BATTERY
PCB
85
POWER UNIT
COOLING
Battery
holder
Torque: 0.68-0.88N m
T3x12, black screw