How To Remove The Strainer; Removal Of The Strainer Cover (Debris Recovery); How To Remove The Manometer; Pressure Relief Valve - Mitsubishi Electric EHSC-VM2B Service Manual

DISASSEMBLY PROCEDURE

9. How to remove the strainer

(1) Remove the front panel. (Refer to Procedure 1.)
(2) Cut the band.
(3) Close the strainer valve (OFF).
* When either of the pump valve handles is stiff, remove
the handle and turn the vertical stem 90 degrees
clockwise mainly by using a spanner. (Photo 5-4)
(4) Remove the two G1" nuts using two spanners: one to hold
the strainer and the other to turn the individual G1" nuts.
* When reinstalling the G1" nuts, use new G1" gaskets
<Removal of the strainer cover (debris recovery)>
(4) Remove the cover with two spanners: one to hold the
strainer and the other to turn the cover.
* Be sure to reattach the mesh after washing. (Photo
9-2)
* When reinstalling the cover , use a new O-ring.
10. How to remove the manometer / pressure relief valve / 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) Hold the sides of the manometer cover, disengage the
claws, and remove the manometer. (Photo 10-1)
(4) Remove the G1/4" nut and feed the capillary tube
through the bottom out the hydrobox.
* When reinstalling the G1/4" nut, use a new G1/4"
gasket. (Photo 10-2)
(5) Remove the manometer from the manometer cover while
pressing on the claws. (Photo 10-3)
* When reinstalling the manometer assembly on the hydrobox
beware not to put strain on the root of the capillary tube as
the capillary tube is easy to break at the root.
<Pressure relief valve>
(3) Remove the field piping from the pressure relief valve.
(4) Remove the manometer by removing the G1/4" nut.
* When reinstalling the G1/4" nut, use a new G1/4"
gasket. (Photo 10-2)
(5) Cut the band and remove the rubber mount. (Photo 10-2)
(6) Remove the pressure relief valve with a flare joint using
two spanners: one to hold the flare joint and the other to
turn the flare nut. (Photo 10-2)
(7) Remove the pressure relief valve using two spanners:
one to hold the flare joint and the other to turn the
pressure relief valve. (Photo 10-4)
(8) Eliminate locktite on the thread surfaces using remover.
(Photo 10-4)
* Before reinstallation, apply locktite over the thread
surface on the pressure relief valve.
* For more details about the locktite and the remover,
refer to Page 81.
OCH532A
PHOTOS
Photo 9-1
Nut (G1")
Gasket
(G1")
Strainer
Cover
Photo 9-2
Strainer mesh
Photo 10-1
Manometer
Manometer
cover
Photo 10-2
Band
Rubber mount
Photo 10-3
Manometer
Claw
Root
76
Gasket
Nut (G1")
(G1")
Strainer valves
Band
Cover
O-ring
Claws
Gasket (G1/4")
Nut (G1/4")
Flare nut
Pressure
relief valve
Capillary
tube
Capillary
tube
Claw