User guide

15
560826 Rev. D, August 23, 2013
System Flush
System Flushing Process
ThisunitprovidesamethodofremovingoilbyforcingliquidrefrigerantthroughanA/C
system,orcomponentsofanA/Csystem.Aspecialushingadapter,whichisavailableasan
accessory,accessestheA/Csystematthecompressorblock.Afterushing,therefrigerantis
recoveredbytheunitandlteredbytherecyclingcircuit,returningittoSAEpuritylevels.
A/Csystemsvaryandmayrequiretheadaptingandushingofindividualcomponents.The
followingprocedureworkswithanoricetubesystem.Refertoanyservicebulletinsasneeded
duringthisprocedure.
Notes:
• The unit must have at least 10 lbs. of refrigerant available in the ISV (as indicated on the
display) for charging.
• If the ush process is interrupted by an accidental power-down or other fault, use the
Recover mode to remove the refrigerant from the vehicle.
Oil Drain
Bottle
Figure 11
Setup
1.Verifytheoildrainbottleonthesideoftheunit
isempty.SeeFigure11.Recoverrefrigerantas
outlinedinthismanualunderRecover Refrigerant
from a Vehicle.
2.Closeservicecouplervalvesanddisconnecthoses
fromvehicleaccessports.
3.Closethevalveontheexternalsourcetank.
Note: During this procedure, up to 12 lbs. of
refrigerant is charged into the vehicle A/C system.
If the ushing cycle is stopped before it is complete
and the external source valve is open, the unit
automatically adds refrigerant to the ISV. There
will be no room to recover the refrigerant used for
ushing.
4.RemovetheA/Csystemoricetube,andreconnect
thettingstocreateabypass.
5.Disconnectthecompressorblockattherearofthe
compressor.
6.Attachthecompressorblockadapter(fromthe
ushingkit)tothesystemsideofthecompressor
block.
7.Conguretheblockconnectorstoprovideforward-
orback-ushingoftherefrigerant,whichowsfrom
theunitthroughtheredhigh-sideconnectionhose.
Opentheredservicecoupler.
8.Connectthelterhousingtothedesiredreturnside
oftheadapterblockandtothebluelow-sidehose.
Opentheblueservicecoupler.