AR83.50-D-6800NA | Remove/install refrigerant lines on thrust side in engine compartment | 13.12.05 |
MODEL 901.67, 902.67, 903.67 with CODE (HH7) Additional air conditioning in rear
MODEL WD2, WD3, WD6, WD7 with CODE (HH7) Additional air conditioning in rear
MODEL 903.672 with CODE (HK2) Air conditioning in rear with underfloor condenser
D83.50-1253-06
Shown on model 903.672 with code HK2, Air conditioning in rear with underfloor condenser
1 Plug connector
2 Plug connection
3 Fluid reservoir
4 Line bracket
5 Line connection
F Refrigerant line on pressure side
D83.50-1261-09
3 Fluid reservoir
6 Quick-release catch
G Refrigerant line on pressure side
I Refrigerant line on pressure side
7 Connector on thrust side
8 Front end expansion valve
| Remove/install | ||
Danger! | Risk of explosion from welding or soldering work on sealed air conditioning system. Risk of poisoning from inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with liquid refrigerant. | Never perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated areas. Carry out repair work on the air conditioning system circuit only after the system has been discharged. | |
| Conduct if air conditioning system is damaged or leaking | All models | |
| Protect air conditioning circuit and components from moisture when carrying out repair work | All models fitted with air conditioning | |
| Notes on handling refrigerant R134a | Air conditioning with refrigerant R134a | |
1 | Discharge air conditioning system | ||
2 | Detach connector (2), and unplug connector (1) | ||
3 | Remove refrigerant line on pressure side (F) from fluid reservoir (3) | Plug openings Installation: Use new sealing rings. Coat sealing rings with compressor oil before installation. | |
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| Compressor oils | ||
4 | Release line clip (4) | ||
5 | Detach cable connection (5) and remove refrigerant line on pressure side (F) from engine compartment | Plug openings Installation: Use new sealing rings. Coat sealing rings with compressor oil before installation. | |
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| Compressor oils | ||
6 | Release quick-release coupling (6) | Plug openings Installation: Use new sealing ring. Coat sealing ring with compressor oil before installation. | |
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| Compressor oils | ||
7 | Detach connector on pressure side (7) from fluid reservoir (3) | Plug openings Installation: Use new sealing ring. Coat sealing ring with compressor oil before installation. | |
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| Compressor oils | ||
8 | Detach refrigerant line on pressure side (G) from front end expansion valve (8) | Plug openings Installation: Use new sealing rings. Coat sealing rings with compressor oil before installation. | |
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| Compressor oils | ||
9 | Remove refrigerant line on pressure side (G, I) from engine compartment | ||
10 | Replace fluid reservoir (3) | The filter drier is integrated into the fluid reservoir (3). | |
11 | Install in the reverse order | ||
12 | Evacuate the air conditioning system, refill it, and then check the system to make sure that it functions correctly and does not leak. | ||
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Refrigerant lines
Number | Designation | Models | Model | |
BA83.30-N-1007-02A | Nut, refrigerant line connection to expansion valve | Nm | 10 (2) | 10 |
Rear air conditioning unit
Number | Designation | Models | Model | Model | |
BA83.50-N-1005-01C | Line connection, thrust side refrigerant lines | Nm | 16 | 16 | 16 |
BA83.50-N-1008-01C | Bolt, thrust side connector to fluid reservoir | Nm | 7.8 | 7.8 | 7.8 |
Air conditioning
Number | Designation | Models | Model | ||
BF83.30-N-1009-01A | Total filling capacity, refrigerant | kg | 1.3 | 1.3 | |
Specifications for Operating Fluids | Sheet | ||||
BF83.30-N-1011-01A | Total filling capacity of air conditioning system compressor oil | cm3 | 175 | 175 | |
Specifications for Operating Fluids | Sheet | ||||
Air conditioning
Number | Designation | Model | ||
BF83.30-N-1009-01A | Total filling capacity, refrigerant | kg | 1,85 | |
Specifications for Operating Fluids | Sheet | |||
BF83.30-N-1011-01A | Total filling capacity of air conditioning system compressor oil | cm3 | 250 | |
Specifications for Operating Fluids | Sheet | |||
129 589 00 91 00
Set of plugs
Detaching tool
903 589 00 63 00