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IInnttrroodduuccttiioonn
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Use
DDuuaall
33441122
on automotive air conditioning systems to:
• Recover,
— Remove refrigerant from vehicle,
• Recycle,
— Filter, dry and store recovered refrigerant in a refillable
tank,
• Evacuate,
— Remove air and moisture from air conditioning system
using a vacuum pump to draw the system into a deep
vacuum, and
• Recharge,
— Refill the air conditioning system with a specified amount
of refrigerant.
DDuuaall
33441122
is a single pass design. This means recovered
refrigerant is filtered and dried before entering the recovery
tank. Refrigerant in the tank is always ready for use, after
manual purging, if necessary. See Chapter 2 - Recovering
Refrigerant From Vehicle. There is no need to perform a
separate recycle function. Recover, evacuate and recharge
functions are performed manually.
This manual applies to the following
DDuuaall
33441122
model:
Name Model Refrigerant Type Voltage
Dual 3412 EEAC112B R-12/R-134a 120 VAC
References in text to
DDuuaall
33441122
apply to both refrigerants.
When a difference exists, the difference is specified.
DDuuaall
33441122
includes (one for each refrigerant):
• A Liquid Crystal Display (LCD),
• Standard gauge set with service hoses, fittings, and adaptors,
• 30 pound capacity recovery tank and electronic scale,
• Master filter, and
• Oil cup.
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Recovery tank is temperature-monitored to maintain
accurate purging of non-condensable gases under all
conditions.
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