Mitsubishi Electric CMB-WM108V-AA Service Handbook page 233

[ VIII Troubleshooting ]
4. Air Vent Valve Replacement Procedure
Operation procedures
1) Unscrew the fixing screws (x4) on the
service panel (right), and remove the
service panel (right).
2) Cut the cable tie that is holding the PVC
tube.
3) Release the clamp that is holding the
pipes with the air vent valve from the
metal plate.
4) Loosen the flare nut using a spanner,
and replace the air vent valves with new
ones (service parts).
5) Hold the PVC tube with a cable tie as it
was.
To prevent the PVC tube from moving
when the valve is opened.
6) Perform air vent operation.
HWE1708A
Illustrations
Air vent valve
Service panel (right)
Air vent valve (service parts)
- 224 -
Operation
location
Above the
ceiling
Cable tie
GB