AR83.50-D-6835CH | Remove/install refrigerant lines at condenser unit | 18.7.11 |
MODEL 900 with CODE (HK4) Rear air conditioning, reinforced
D83.50-1335-09
1 Threaded connection
2 Pipeline
3 Condenser
4 AC housing
9 Sealing ring
G Refrigerant line (pressure side)
5 Passage
6 Screw
7 Bracket
8 Separation point
| 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 condenser fan of roof air conditioning | ||
4 | Unscrew threaded connection (1) | Counterhold pipeline (2) on condenser (3). Otherwise the condenser (3) may be damaged and it will need to be replaced. | |
5 | Unscrew screw/bolt (6) and remove bracket (7) | ||
6 | Remove duct (5) from air conditioner housing (4) | Installation: Ensure correct seating of duct (5). | |
7 | Remove refrigerant line (G) and route out of air conditioner housing (4) | Installation: Fit refrigerant line (G) with new sealing rings (9). Coat sealing rings (9) with compressor oil. | |
| Compressor oils | Sheet 362.0 | |
8 | Seal off each opening of the refrigerant line (G), condenser (3) and connecting point (8) using stop plugs | Set of stop plugs | |
9 | Replace fluid reservoir | After completing the work at the open refrigerant circuit, the accumulator must be replaced. | |
10 | Install in the reverse order |
Set of stop plugs
129 589 00 91 00
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