EN
Oil Checker
Intended use
15
3
Intended use
The oil checker can only be used in vehicles whose air conditioning system
is equipped with a low-pressure connection and a high-pressure connection.
The oil checker is available in two models:
for air conditioners with R-134a (ref. no. 8885100163)
for air conditioners with R-1234yf (ref. no. 8885100164).
I
4
Technical description
The oil checker is used for testing the condition of refrigerant and refrigerant
oil, especially for:
Swarf
Discoloration
Acidification
The refrigerant and the refrigerant oil.can be evaluated by visually inspecting
it through the sight glass. In addition, coarse filtering can be performed with
the sintered filter.
4.1
Control elements
NOTE
To prevent contamination of the refrigerant or the refrigerant oil,
the hoses and sight glasses of the two versions must not be inter-
changed.
Item in
fig.
2
,
page 3
Description
Explanation
1
Low-pressure shut-off valve Opens/closes the low-pressure side
2
Sight glass
Visual inspection of the refrigerant oil
or the refrigerant
3
Protective cover
Protects the sight glass from damage
4
Connection
Connection of the high-pressure side
5
High-pressure shut-off valve Opens/closes the high-pressure side
6
Coarse filter
Filters the refrigerant
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