9
543175 Rev. H, June 25, 2013
Evacuate the A/C System
1 Ensureservicehosesareconnected,andcoupler
valvesareOPEN
2 PressVACUUM
3
PressSTART / YEStoacceptthedefaultevacuation
timeof10minutes,orenterthedesiredvacuumtime
usingthenumberkeys,andpressSTART / YES
IMPORTANT: The unit pulls a vacuum on the
vehicle A/C system to remove air and boil off
moisture that may be present in the system.
Evacuate the system for at least 10 minutes,
or follow the A/C system manufacturer’s
specications, to ensure adequate moisture
and contaminant removal.
4 TheunitevacuatestheA/Csystemandstopswhen
thespeciedamountoftimehaselapsed
PressSTOP / NOtopausetheprocessPress
START / YEStoresume,orSTOP / NOagain
toexit
YouarenowreadytoreplenishtheA/Csystemwith
newoil,ifnecessary,ortorechargethesystemwith
refrigerant
Operating Instructions
Operating Tips
• If the vacuum pump has run for 10 or more
hours without an oil change, the unit displays
VACUUMOILTIMEXX:XX
CHANGEOILNOW?
Refer to instructions outlined in the Maintenance
section under Change Vacuum Pump Oil.
•
Before the unit begins evacuating the A/C
system, it checks for any pressure in the
system that might damage the vacuum pump.
If pressure is detected, the unit displays
PRESSUREEXISTS
PRESSANYKEYTOEXIT
Press any key to exit, and recover refrigerant
before proceeding.