Mitsubishi Electric EHSC-MEC Service Manual page 79

DISASSEMBLY PROCEDURE
7. How to remove the booster heater (continued)
EHPX series>
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(4) Detach the quick connection 1 and 2. (Photo 7-4)
• When reinstalling the quick connections, use new O-rings.
• Refer to page 90 for how to attach and detach the quick
connection.
(5) Remove the flare nut. (Photo 7-4)
(6) Remove the saddle band by removing the screws on the
saddle band. (Photo 7-4)
(7) Remove the 2 screws that hold the heater stay onto the
back panel. Lift the booster heater slightly and remove
the booster heater with the heater stay and the pipe (to
B.H.) from the back panel . (Photo 7-4 and 7-5)
(8) Remove the pipe (to B.H.) from the booster heater by
detaching the quick connection 3. (Photo 7-4)
• When reinstalling the quick connection, use new O-ring.
• Refer to page 90 for how to attach and detach the quick
connection.
• Reuse the removed pipe (to B.H.).
(9) Remove the 2 screws on the back of the heater stay and
remove the heater stay from the booster heater. (Photo 7-3)
Photo 7-4(EHPX series)
Saddle
band
O-ring
Quick
connection 2
Pump valve
OCH571D
Booster
Back panel
heater
Quick
connection 1
O-ring
Screw
Heater stay
Screws
Pipe (to B.H.)
PHOTOS/ FIGURES
Flare nut
Quick
connection 3
Photo 7-5(EHPX series)
O-ring
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