Snap-On POLARTEK PLUS EEAC331, Service Manual, Page: 14 / 84

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R134a
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AUTOMATIC MANUAL SERVICES
SETUP MAINTENANCE INFO
R134a MAINTENANCE
A/C PRESSURES CHECK
Turn on A/C system and
check pressure using
HP and LP gauges
then press ENTER
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
Connect and open HP and LP coupling to A/C
system Press ENTER
R134a MAINTENANCE
A/C PRESSURES CHECK
CALIBRATION
CHANGE DRYER FILTER
DATABASE
EMPTY HOSES
MAINTENANCE REPORT
AIR PURGE MANUAL
R134a MAINTENANCE
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A/C PRESSURE CHECK