Snap-On Dual 3412 - R-12 Accessories

1-8
IInnttrroodduuccttiioonn
R-12 Accessories
Figure 1-3: R-12 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  GM Adaptor
Connects to high-side service port on GM vehicles.
D  Ford Adaptor
Connects to high-side service port on Ford vehicles.