Mitsubishi Electric EHGT17D-YM9ED Service Manual page 83

DISASSEMBLY PROCEDURE
9. How to remove the manometer
(1) Remove the front panel. (Refer to Procedure 1.)
(2) Remove the side panel L (13 screws 4×10). (Figure 9-1)
(3) Remove the frame. (Refer to Procedure 4-2.)
(4) Disconnect the relay connectors. (Refer to Procedure 5-4.)
(5) Release the lead wires from the control box clamp.
(Photo 5-1.)
(6) Remove the screws fixing the control box and the side
frame. (Refer to Procedure 5-8.)
(7) Disengage the tabs on the left, then pull the control box
and swing it to the right. (Refer to Procedure 5-9.)
(8) Remove the G1/4" nut from the pressure relief valve using
2 spanners: one to hold the G1/4" joint and the other to
turn the manometer connection. (Figure 9-2)
(9) Remove the 2 screws to remove the manometer cover
with the manometer from the side frame L by sliding it
upward. (Figure 9-2 and 9-3)
(10) Remove the manometer from the manometer cover while
pressing on the 2 claws. (Photo 9-1)
• 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
9-2)
Note:
1. Tightening torque of the G1/4" connection : 8 ± 1 N▪m
Photo 9-1
OCH722A
Manometer
Manometer
cover
Claws
83
PHOTOS/ FIGURES
Figure 9-1
Screws
4×10
Side panel L
Figure 9-2
1/4" Gasket
Figure 9-3
Manometer cover
Manometer
Side frame
Screws
4×10
Photo 9-2
Manometer
Manometer
cover
G1/4"Joint
G1/4" Manometer
connection
Capillary tube
Root