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. |
Referenced documents
- as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.