7
Use only new lubricant to replace the amount removed
during the recycling process. Discard used lubricant per
applicable federal, state and local requirements.
5. Verify the message on the LCD reads “RECOVERY
COMPLETE.”
6.
Press the RESET key.
The LCD should read
“CHECK OI
L LEVELS.”
7.
Measure the oil in the oil drain bottle.
Dispose of
recovered oil in a proper
manner.
8.
Close the service valves and disconn
ect the high
and low side
auto service hoses from
the
automobile.
Models w
ith the optional refrigerant identifier
37881/37888
The unit will display “IDENTIFY REFRIGERANT ?” To
make your selection use the left or right arrow keys to
toggle from YES to NO. Press the ENTER key to make
your selection and then press the Start key to start the
process. If YES is selected the unit will begin the refrig-
erant identification process.
If the refrigerant does not pass the identification proc-
ess (98% purity) the unit will display the error message
“ CONTAMINATED” and the screen will show the
results of the identification. Press the Reset key and
follow the instructions on the screen and the unit will
clear itself automatically. Repeat the identification proc-
ess to insure the proper identification of the refrigerant
purity level.
If the unit fails the second time follow the on screen in-
structions and take the appropriate steps to remove the
contaminated refrigerant with a separate unit for
removal of contaminated refrigerant.
WARNING: DO NOT RECOVER CONTAMINATED
REFRIGERANT WITH THIS UNIT. RECOVERING
CONTAMINATED REFRIGERANT WILL VOID ALL
WARRANTIES AND MY CAUSE DAMAGE TO
OTHER AUTOMOBILES THAT YOU SERVICE IN
THE FUTURE.
RECOVER, cont.
VACUUM
The vacuum function of the 37880 SERIES is designed
to remove air/moisture from the automobile A/C system
by pulling a deep vacuum. This mode is most often
used after completing a repair that required opening
the A/C system to the atmosphere. Moisture in an A/C
system can cause erratic operation and must be re-
moved before recharging the system with refrigerant.
VACUUM Operational Steps
NOTE: If desired, the gauges of the 880 SERIES
can now be used to aid investigation of an A/C sys-
tem problem. Ensure the automobile A/C system is
turned off prior to selecting a mode on the ma-
chine.
1.
Verify the auto air conditioning system
is off.
2.
Select Vacuum option from the main
menu.
3.
Press the ENTER key.
4.
When the LCD reads “SET VACUUM TIME,”
set
the vacuum
time by using the numeric keypad until
the desired t
i
me is shown. press ENTER to accept
the vacuum
time shown on the LCD. Bypass vac-
uum time by setting time to zero (FULL CYCLE
MODE only). Note: We recommend 10-15 mini-
mum vacuum time to ensure proper charging.
5.
When the LCD reads
“SET VACUUM HOLD
TIME,” set the vacuum
hold time by using the nu-
meric keypad until the de
sired time is shown.
press ENTER to accept the vacuum hold time
shown on the LCD. Vacuum hold time can be by-
passed if th
e time is set
to zero.
6.
The display will now read “INJECT
OIL AFTER
VACUUM” YES or NO Press the lef
t or right arro
ws
to select YE
S or NO.
7.
The LCD will read “CONNECT HOSES PRE
SS
ENTER T
O CONTINUE”
8.
Connect the high and low side auto
service hoses
to the respe
ctive high and low side
service ports on
the automobile A/C system. Open the service hose
valves.
9.
Press the START key to begin the vacuum opera-
tion.
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