AP83.30-D-8312A | Air conditioning system - check refrigerant level | 15.9.94 |
MODELS 638.0 /1 /2 (except 638.09 /19 /29) with CODE (H06) Air conditioning
MODELS 901.0 /3 /4, 902.0 /3 /4, 903.0 /3 /4, 904.0 /3 /4
with CODE (H06) Air conditioning
with CODE (HH6) Air conditioning, roof equipment
with CODE (HH9) Automatic air conditioning "Tempmatic"
N83.30-2130-01
Model 638
Models 901, 902, 903, 904
N83.30-2119-01
1 | Clean inspection glass (arrow) on receiver/drier | ||
2.1 | Detach cable connector from pressure switch (1) | Models 901.0/3/4, 902.0/3/4, 903.0/3/4, 904.0/3/4 | |
2.2 | Unplug connector (2) from pressure switch (1) | Model 638 | |
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns when working in engine during starting procedure | Secure vehicle to prevent it from moving. | |
3 | Start engine | Run engine at idling speed. | |
4 | Switch on air conditioning | ||
5 | Switch blower on. | Set to maximum speed | |
6 | Restore electrical connection to pressure switch (1). Observe inspection glass (arrow) at fluid reservoir | Refrigerant must rise shortly after switching on electromagnetic clutch and then flow free of bubbles | |
Even if the correct quantity is filled, foam or a few bubbles may be present at higher ambient temperatures (> 35 °C). | |||
If refrigerant is lost or a leak is suspected in the system the correct filling quantity can only be guaranteed by completely emptying the system and refilling. | |||
The refrigerant may only be replaced by trained specialists in workshops equipped for this. |
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