Daikin LRLEQ10AY1(E), Service Manual

Page: 62 / 156

SiENBE28-901 Test Operation
Air Cooled Refrigeration Condensing Unit 61
¢ Opening method ²
1. Remove the valve cover and turn the shaft anticlockwise with a hexagon wrench.
2. Turn the shaft until the shaft stops.
3. Tighten the valve cover securely. Refer to the above table for the tightening torque
according to the size.
¢ Closing method ²
1. Remove the valve cover and turn the shaft clockwise with a hexagon wrench.
2. Tighten the shaft until the shaft comes in contact with the sealing part of the valve.
3. Tighten the valve cover securely. Refer to the above table for the tightening torque
according to the size.
¢
Handling Precautions for Valve Cover
²
„
Be careful not to damage the sealing part.
„ At the time of mounting the valve cover, apply a screw lock agent to the screw thread.
„
Do not apply a screw lock agent (for flare nut use) to the sealing part.
„ Be sure to tighten the valve cover securely after operating the valve. Refer to “ Operation
Method of Shutoff Valves ” for the tightening torque of the valve.
¢ Handling Precautions for Service Port ²
„
Work on the service port with a charge hose provided with a pushing rod.
„ At the time of mounting the cap, apply a screw lock agent to the screw thread.
„
Do not apply a screw lock agent (for flare nut use) to the sealing part.
„ Be sure to tighten the cap securely after the work. Refer to “ Operation Method of Shutoff
Valves ” for the tightening torque of the cap.
Shutoff
valve sizes
Tightening torque N•m (closes clockwise)
Shaft (valve body) Valve cover Service port
φ
9.5 5.4~6.5
Hexagon wrench:
4mm
13.5~16.5
11.5~13.9
φ
12.7 8.1~9.9 18.0~22.0
φ
19.1
27.0~33.0
Hexagon wrench:
8mm
22.5~27.5
φ
25.4
φ
31.8 26.5~29.4
Hexagon wrench:
10mm
44.1~53.9
Screw thread
Apply a screw lock agent
Shutoff valve
Part of mounting the
valve cover.
Valve cover
Sealing part
Not apply a screw lock agent
Sealing part
Not apply a screw
lock agent
Cap
Screw thread
Apply a screw lock
agent