Snap-On POLARTEK YF EEAC333, Manual

Page: 24 / 48

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VACUUM
Use the quick-connect couplings to connect the hoses to the A/C
system, bearing in mind that BLUE must be connected to the low
pressure side and RED to high pressure. If the system is equipped
with a single quick-connect coupling for high or low pressure,
connect only the relative hose.
From the MANUAL PROCEDURE, select VACUUM, the following
screen will be displayed:
Select VACUUM TIME value box. Use the KEYPAD to insert the
new value of the VACUUM TIME. Press ENTER to confirm. ESC to
return back.
NOTE: Use the VACUUM SETTING to change the duration of the
TIME OF CHECK.
NOTE: If selected VACUUM TIME is lower than 15 minutes the
following popup warning will be displayed:
Press YES to continue, or press NO to go back.
Type the plate of the car, press ENTER to confirm. ESC to return
back.
NOTE: the numerical keys include an alphabet that is used
similar to text messaging; for example: press “2” once to display
“2”, twice to display “A”, three times for “B”, four times for “C”, five
times for “a”, six times for “b”, seven times for “c”, eight times for
“2” again.
Connect and open the coupling connected to the A/C system,
then press ENTER to start the vacuum phase. Press ESC to return
back.
When time of check is reached, the machine will test for leaks in
the A/C system:
(WARNING! If vacuum time is lower than 15 minutes this test is
not reliable). If leaks are found, the machine will stop
automatically and display the A/C SYSTEM LEAKS alarm.
Detection of micro-leaks is not guaranteed.
At the end of the preset vacuum time, the machine will sound an
alarm and the following screen will be displayed:
Close and disconnect HP and LP coupling from A/C system, then
press ENTER , the following screen will be displayed:
R1234yf MANUAL PROCEDURE
VACUUM
inHg
A/C Pressure
LEAK CHECK
R1234yf MANUAL PROCEDURE
VACUUM
inHg
A/C Pressure
R1234yf MANUAL PROCEDURE
VACUUM
Close and disconnect HP and LP coupling from A/C
system and Press ENTER
Connect and open HP and LP coupling to A/C
system Press ENTER
R1234yf MANUAL PROCEDURE
VACUUM
Inset vehicle
Plate number:
___________________
R1234yf MANUAL PROCEDURE
VACUUM
1 2
ABC
3
DEF
4
GHI
5
JKL
6
MNO
7
PQRS
8
TUV
9
WXYZ
0
|_|
← .,
The selected vacuum time is lower than
15 minutes. The leak check could not be
reliable. Continue?
YES NO
R1234yf MANUAL PROCEDURE
VACUUM
TIME OF CHECK
VACUUM TIME
R1234yf MANUAL PROCEDURE
xx