Toshiba RAV-SM1102AT-E Manual page 13

Compound pressure gauge
–101kPa
(–76cmHg)
Handle Lo
Charge hose
(For R410A only)
Service port
(Valve core (Setting pin))
Packed valve at gas side
How to open the valve
Two types of valves are provided to the gas side.
Refer to the corresponding one.
<TYPE 1>
Charge port
Position of grooves for driver
for driver
Closed completely
*1. When opened fully, do not apply an excessive
torque after the screwdriver hit the stopper; other-
wise a trouble may be caused on the valve.
(5 N•m or less)
• Open the valve stem or the handle until it strikes
the stopper. It is unnecessary to apply further force.
• Securely tighten the cap with a torque wrench.
• Cap tightening torque
Pressure gauge
Manifold valve
Handle Hi
(Keep fully closed)
Charge hose
(For R410A only)
Vacuum pump adapter
for counter-flow prevention
(For R410A only)
Vacuum
pump
Valve unit
Using a minus screwdriver,
turn it counterclockwise by
90˚ until it hits the stopper.
(Full open)
Flare nut
Grooves
Opened fully
Valve handling precautions
<TYPE 2>
Charge port
Charge port
Handle position
Closed completely
*1. Use the vacuum pump, vacuum pump adapters,
and gauge manifold referring to the manuals
attached to each tool before using them.
For the vacuum pump, check oil is filled up to the
specified line of the oil gauge.
*2. While the air is purged, check again that the
connecting port of charge hose, which has a
projection to push the valve core, is firmly con-
nected to the charge port.
Ø9.5
Valve
Ø15.9 (TYPE 1)
size
Ø15.9 (TYPE 2)
Charge port
10
Valve unit
Handle
Pull out the handle and
using cutting pliers, etc.
turn it counterclockwise
by 90˚. (Open fully)
Flare nut
Valve unit
Push in handle.
Flare nut
Handle
Opened fully
33 to 42 N•m (3.3 to 4.2 kgf•m)
14 to 18 N•m (1.4 to 1.8 kgf•m)
20 to 25 N•m (2.0 to 2.5 kgf•m)
14 to 18 N•m (1.4 to 1.8 kgf•m)