How To Remove The Drain Cock (Primary Circuit) - Mitsubishi Electric EHSE-YM9EC Service Manual

DISASSEMBLY PROCEDURE
10. How to remove the manometer/pressure relief valve/air
vent (automatic) (Continued)
<Air vent (automatic)>
(1) R emove the air vent with a flare joint using 2 wrenches:
one to hold the flare joint and the other to turn the flare
nut.
(2) Remove the flare joint from the air vent. (Photo 10-6)

11. How to remove the drain cock (primary circuit)

(1) Remove the front panel. (Refer to Procedure 1.)
(2) S wing the control box to the front. (Refer to Procedure 4.)
(3) Remove the drain cock (primary circuit). (Photo 11-1)
OCH590B
Photo 10-5
Photo 10-6
Air vent
Photo 11-1
67
PHOTOS
Air vent
Flare joint
Flare nut
Flare joint
Booster heater
Drain cock