Snap-On Dual 3412 - R-134 A Accessories

1-9
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R-134a Accessories
Figure 1-4: R-134a Accessories
A  Gauge Set
High and low pressure gauge manifold set monitors air
conditioning system pressures. Right hand valve opens and
closes the high-side service hose passage to
DDuuaall 33441122
. Left
hand valve opens and closes the low-side service hose passage
to
DDuuaall 33441122
.
B  Service Hoses
Red, blue and yellow hoses for connecting gauge set to vehicle
and
DDuuaall 33441122
. For additional information refer to Chapter
2Connecting Service Hoses to
DDuuaall 33441122
and Chapter
2Connecting Service Hoses to Vehicle.
C  Shut-off Adaptors
Connects to high-side and low-side service ports of vehicle.