AR83.50-D-5020CH | Remove/install the air conditioning (roof equipment) | 18.7.11 |
MODEL 900 with CODE (HK4) Rear air conditioning, reinforced
D83.50-1326-09
1 Expansion valve
2 Bolts
5 Sealing rings
3 Tapping plate
4 Vaporizer tubes
| Remove/install | ||
Danger! | Risk of death caused by falling down from the roof of the vehicle. Risk of injury to other persons caused by falling objects during work in the area of the roof. | ||
Danger! | Risk of explosion caused by welding or soldering work on closed air conditioning system. Risk of poisoning caused by 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 drained. | |
| Procedure for a damaged or leaky air conditioning system | ||
| Protect air conditioning circuit and components from moisture when carrying out repair work | ||
| Notes on handling R134a refrigerant | Air conditioning with refrigerant R134a | |
1 | Drain air conditioning system | Installation: Evacuate, refill and check air conditioner for proper operation and leaks. | |
2 | Remove roof air conditioning cover | Installation: Fit cover of roof air conditioning only after filling and checking the air conditioning. | |
3 | Remove left evaporator or right evaporator | ||
4 | Remove bolts (2) | | |
5 | Remove threaded plate (3) | ||
6 | Detach expansion valve (1) from vaporizer tubes (4) | ||
7 | Replace sealing rings (5) | Coat sealing rings (5) with compressor oil. | |
| Compressor oils | Sheet 362.0 | |
8 | Seal off openings of vaporizer tubes (4) using stop plugs | Set of stop plugs | |
9 | Close off openings at expansion valve (1) using stop plugs | Only if expansion valve (1) is not to be reinstalled immediately. | |
Set of stop plugs | |||
10 | Install in the reverse order |
Air conditioning system
Number | Designation | Model | ||
BA83.30-N-1024-01F | Screw/bolt, refrigerant lines to expansion valve | Nm | 9 | |
Set of stop plugs
129 589 00 91 00
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