Evaporator Drain Tube: Testing and Inspection

Evaporator water drain valve, checking






- Fold cover -1- in bulkhead insulation mat -3- upwards.
- Remove drain valve -2- from opening in bulkhead -4-.

Check water drain valve as follows:
- The water drain valve must not be stuck.
- Insulation mat must not be deformed or damaged in area of valve.
- The opening in the sealing cap of the water drain valve must point down.

NOTE: When the cover cap -1- is closed, it must be flush with the insulation matting. If the cover cap -1- is pushed in too far, the water drain valve sealing cap -2- can jam.