Mitsubishi Electric EHPT17X-VM6D Service Manual page 82

DISASSEMBLY PROCEDURE
12. How to remove the pressure relief valve/manometer/air
vent (automatic)
(1) Remove the front panel. (Refer to Procedure 1.)
(2) Swing the control box to the front. (Refer to Procedure 4.)
<Manometer>
(3) Remove the G1/4" nut from the pressure relief valve
using 2 spanners: one to hold the joint (G1/4") and the
other to turn the manometer connection. (Photo 12-1)
• When reinstalling the G1/4" nut, use a new G1/4"
gasket. (Photo 12-1)
(4) Remove the 2 screws and remove the manometer stay with
the manometer from the front frame (L) by sliding it upward.
(Photos 12-1)
(5) Remove the manometer from the manometer stay while
pressing on the 2 claws. (Photo 12-2)
• When reinstalling the manometer assembly on the unit,
beware not to put strain on the root of the capillary tube
as the capillary tube is easy to break at the root. (Photo
12-3)
Photo 12-2
OCH714E
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Manometer
Manometer
stay
Claws
PHOTOS/FIGURES
Photo 12-1
Manometer
Manometer
stay
Screws
Photo 12-3
Manometer
stay
82
Manometer
connection (G1/4")
Joint (G1/4")
Gasket
(G1/4")
Capillary tube
Root
Manometer
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