Toshiba RAS-10PKVPG-NZ Service Manual page 80

CAUTION
•
KEEP IMPORTANT 6 POINTS FOR PIPING WORK
1) Take away dust and moisture (inside of the
connecting pipes).
2) Tighten the connections (between pipes and
unit).
3) Evacuate the air in the connecting pipes using a
VACUUM PUMP.
4) Check gas leak (connected points).
5) Be sure to fully open the packed valves before
operation.
6) Reusable mechanical connectors and flared
joints are not allowed indoors. When mechanical
connectors are reused indoors, sealing parts
shall be renewed. When flared joints are reused
indoors, the flare part shall be refabricated.
<Packed valve handling precautions>
• Open the valve stem all the way out, but do not try
to open it beyond the stopper.
Pipe size of Packed Valve
12.70 mm and smallers
15.88 mm
• Securely tighten the valve cap with torque in the
following table
Cap Cap Size (H)
H17 - H19
Valve Rod
Cap
H22 - H30
H14
Service
Port Cap
H17
Hexagon wrench
is required.
Service Port Cap
Valve Rod Cap
Fig. 10-4-10
Size of Hexagon wrench
A = 4 mm
A = 5 mm
Torque
14~18 N.m
(1.4 to 1.8 kgf·m)
33~42 N.m
(3.3 to 4.2 kgf·m)
8~12 N.m
(0.8 to 1.2 kgf·m)
14~18 N.m
(1.4 to 1.8 kgf·m)
A
H
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FILE NO. SVM-18049