EN
Using the oil checker
Oil Checker
16
5
Using the oil checker
I
5.1
Fitting the oil checker
➤
Install the red high-pressure hose on the high-pressure side of the oil
checker (red).
➤
Install the blue low-pressure hose to the low-pressure side of the oil
checker (blue).
➤
Install the quick service coupling for the high-pressure connection to the
high-pressure hose (red).
➤
Install the quick service coupling for the low-pressure connection to the
low-pressure hose (blue).
➤
Only for the oil checker for air conditioning systems with R-1234yf:
Use the supplied adapters to connect the couplings with the hoses.
5.2
Connecting the oil checker
➤
Check all connections of the oil checker for leaks.
➤
Evacuate the oil checker before the first use and after each opening
through the service connection (fig.
2
7, page 3).
➤
Close the low-pressure shut-off valve (fig.
2
1, page 3) and high-pres-
sure shut-off valve (fig.
2
5, page 3).
➤
Connect the high-pressure quick coupling (fig.
1
5, page 3) with the
high-pressure connection of the air conditioner.
7
Service connection
(rear)
Connection for vacuum pump for
evacuating the oil checker
8
Connection
Connection of the low-pressure side
NOTE
Before using the oil checker, check that the air conditioning is
working properly.
Item in
fig.
2
,
page 3
Description
Explanation
AirCon-Oilchecker-EMEA16.book Seite 16 Dienstag, 20. August 2019 2:23 14
