Evacuating - Toshiba R410A Service Manual

7

EVACUATING

<For 801, 1101, 1401AT model>
• As shown in the figure, be sure to use a double
spanner to loosen or tighten the flare nut of the
valve at gas side. If using a single spanner, the
nut cannot be tightened with necessary tightening
torque.
On the contrary, use a single spanner to loosen
or tighten the flare nut of the valve at liquid side.
Cap
Loosened
Cover
Piping valve
Tightened
Flare nut
801, 1101, 1401 type valve at gas side
Compound
pressure gauge Pressure gauge
–101kPa
(–76cmHg)
Handle Lo
Charge hose
Packed valve
at liquid side
62
Cover
Do not put the spanner or
torque wrench, etc. on
the cover.
The valve may be broken.
Manifold valve
Handle Hi
(Keep fully closed)
Charge hose
Vacuum pump
adapter for
counter-flow
prevention
Vacuum
pump
Service port
(Valve core (Setting pin))
Packed valve at gas side