Snap-On POLARTEK EEAC330, Manual

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A/C PRESSURES CHECK
From MAINTENANCE select A/C PRESSURES CHECK, the
following screen will be displayed:
Connect and open the coupling to the A/C system, close HP and
LP side valves and then press ENTER. Press ESC to return back;
the following screen is displayed:
Turn on A/C system and check pressure using HP and LP
manometers, then press ENTER:
Turn off A/C system and the vehicle’s engine, then press ENTER:
Unscrew HP coupling without disconnect it from A/C system,
then press ENTER:
A pop-up message is displayed asking confirmation, press YES to
continue:
With LP coupling connected, open HP and LP side valves and
turn on vehicle’s engine and A/C system then press ENTER:
The vehicle’s A/C system will recover the refrigerant from the
service hoses, then:
Turn off engine and A/C system, unscrew LP coupling without
disconnect it, then press ENTER:
R134a MAINTENANCE
A/C PRESSURES CHECK
Turn off engine and A/C system, unscrew LP coupling
without disconnect it, then Press ENTER
With LP coupling connected, open HP and LP side valves and
turn on vehicle’s engine and A/C system then press ENTER
R134a MAINTENANCE
A/C PRESSURES CHECK
Connect and open HP and LP coupling to A/C system
Close HP and LP side valves and press ENTER
R134a MAINTENANCE
A/C PRESSURES CHECK
R134a MAINTENANCE
A/C PRESSURES CHECK
Unscrew HP coupling without disconnect from A/C
system, then press ENTER
R134a MAINTENANCE
A/C PRESSURES CHECK
Turn off A/C system and the
vehicle’s engine
then press ENTER
R134a MAINTENANCE
A/C PRESSURES CHECK
Turn on A/C system and
check pressure using
HP and LP gauges
then press ENTER
Are you sure that you have unscrewed
coupling or couplings without removing them?
R134a MAINTENANCE
A/C PRESSURES CHECK
YES
NO
R134a MAINTENANCE
A/C PRESSURES CHECK
START UP
Please wait…
Are you sure that you have unscrewed
coupling or couplings without removing them?
R134a MAINTENANCE
A/C PRESSURES CHECK
YES NO