  |
Removing, installing |
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 |
Risk of explosion
from welding or brazing work on closed air conditioning system. Risk of poisoning
from inhaling overheated refrigerant vapors. Risk of injury
from skin and eye contact with liquid refrigerant. |
Do not carry out any welding work on the closed air conditioning system or in the surrounding area. No smoking or naked flames. Wear eye protection and protective gloves. Work only in well ventilated areas. Do not carry out repair work on the circuit of the air conditioning system unless the system is drained. |
AS83.00-Z-0001-01A |
 |
Conduct if air conditioning system is damaged or leaking |
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AH83.30-N-0004-01A |
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Protect air conditioning circuit and components from moisture when carrying out repair work |
All models fitted with air conditioning |
AH83.30-N-0005-01A |
 |
Notes for handling R134a refrigerant |
All models with R134a refrigerant |
AH83.30-N-0003-01A |
| 1 |
Drain air conditioning system (recycling), evacuate, fill, inspect for leaks |
Add extracted quantity of compressor to the refrigerant circuit again when filling the air conditioning system (use fresh compressor oil) |
|
| 2 |
Remove lower engine compartment lining |
Model 210.03/05/07/23/27/28/66 |
AR61.20-P-1105AB |
| |
|
Model 210.00/01/02/21/61 |
AR94.30-P-5300AB |
| 3 |
Slacken poly V-belt and take off |
Engine 104 |
ra13001041200x |
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Engine 111 |
AR13.22-P-1202A |
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Engine 112, 113 |
AR13.22-P-1202B |
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Motor 602 |
AR13.22-P-1202HW |
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Engine 604, 605, 606 |
AR13.22-P-3902-01HA |
| |
|
Engine 611 |
AR13.22-P-1202HB |
| 4 |
Unplug connector A9x1 |
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| 5 |
Remove bolts (4), disconnect suction and pressure lines and place to one side |
Plug openings (parts kit) |
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Engine 104, 111, 112, 113, 602, 604, 605, 606 |
*BA83.55-P-1002-01A |
| |
|
Engine 611.961 |
*BA83.55-P-1003-01C |
| 6 |
Unscrew bolts (3), withdraw refrigerant compressor (A9) downwards |
for lower front bolt |
*WH58.30-Z-1006-11A |
| |
|
Engine 104, 111, 112, 113, 602, 604, 605, 606 |
*BA83.55-P-1001-01A |
| |
|
Engine 611.961 |
*BA83.55-P-1002-01C |
| |
|
Before installing a new refrigerant compressor allow pressure in the refrigerant compressor to escape slowly by opening the cover on the pressure-line side
In the event that the refrigerant compressor is not renewed, replace the O-rings (moisten with compressor oil) |
|
| 7 |
Correct oil level in refrigerant compressor |
|
AR83.55-P-5250E |
| 8 |
Install in the reverse order |
If the refrigerant compressor was replaced because of internal damage ↓
replace suction and pressure lines together with sealing rings |
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| |
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Observe quantity of oil to be added when replacing lines ↓ |
*BF83.55-P-1006-01A
*BF83.55-P-1007-01A |
| |
|
Replace expansion valve |
AR83.30-P-5520F |
| 9 |
Replace receiver/drier |
|
AR83.30-P-6520E |
| 10 |
Switch on air conditioning and allow it to idle for approx. 4 minutes |
Set temperature dials to blue or automatic air conditioning to " Lo" Blower to max. |
|
| 11 |
Check air conditioning for proper function |
Air outlet temperature at center nozzle should not drop below +5 ° C, if necessary ↓
perform diagnosis according to Diagnosis Manual |
|
| 12 |
Find leaky point in air conditioning circuit |
|
*WE58.40-Z-1002-20A |