Daikin BSVQ36MVJU, Service Manual

Page: 145 / 312

Field Setting SiUS30-604
132 Test Operation
Closing stop valve
1. Remove the cap and turn the valve clockwise with the hexagon wrench.
2. Securely tighten the valve until the shaft contacts the main body seal.
3. Make sure to tighten the cap securely.
* For the tightening torque, refer to the table on the below.
Tightening torque
(Refer to figure below)
<Caution>
„
Do not damage the cap sealing.
„
Always use a charge hose for service port connection.
„
After tightening the cap, check that no refrigerant leaks are present.
„
After working, securely tighten the cover of service port without fail by specified torque.
„
When loosening a flare nut, always use two wrenches in combination. When connecting the
piping, always use a spanner and torque wrench in combination to tighten the flare nut.
„
When connecting a flare nut, coat the flare (inner and outer faces) with ether oil or ester oil and
hand-tighten the nut 3 to 4 turns as the initial tightening.
„
Do not forget to open the stop valve before starting operation.
Stop valve
size
Tightening torque ft.-lbf. (Turn clockwise to close)
Shaft
(valve body)
Cap
(valve lid)
Service port Flare nut
Gas side
accessory
pipe (1)
Liquid side
3.98-
4.87
Hexagonal
wrench 4 mm
9.95-12.17 8.48-10.25 24.1-29.4 —
Gas side
19.91-
24.33
Hexagonal
wrench 10 mm
26.54-32.44 8.48-10.25 — 16.22-20.65