Drain, evacuate and recharge air conditioning, check for proper operation and check for leaks - AR83.30-P-1760MCC
MODEL 451.3 (except 451.39), 451.4 (except 451.49)
with CODE I01 (Air conditioning Plus)
MODEL 451.39/49
| 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. | Do not 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. | AS83.00-Z-0001-01A | |
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Procedure for a damaged or leaky air conditioning system | AH83.30-N-0004-01A | ||
| Protect air conditioning circuit and components from moisture when carrying out repair work | AH83.30-N-0005-01A | ||
| Notes on handling refrigerant R134a | AH83.30-N-0003-01A | ||
| Draining | |||
| 1 | Remove electric vehicle sound generator | Model 451.390/392/490/492 with code B53 (Pedestrian sound module) |
AR08.00-P-1000MEX |
| 2 | Remove maintenance flap | ||
| 3 | Unscrew plugs (1) from diagnostic sockets of refrigerant lines (2, 3) | ||
| 4 | Connect air conditioning service unit connection (4) to diagnostic socket of refrigerant line (2) and air conditioning service unit connection (5) to diagnostic socket of refrigerant line (3) | ||
| 000 588 04 82 00 Air conditioning service unit | WS83.00-P-0031B | ||
| 5 | Extract refrigerant using air conditioning service unit (6) | ||
| Evacuate | |||
| 6 | Install new desiccant cartridge | Only if refrigerant circuit has been opened. | AR83.30-P-6525MCC |
| 7 | Clean refrigerant and evacuate air conditioning system using air conditioning service unit (6) | ||
| Filling | |||
| 8 | Replace oil filling quantity noted down during evacuation of air conditioning system with new compressor oil and route back to the refrigerant circuit | ||
| 9 | Fill air conditioning system using air conditioning service unit (6) | *BF83.30-P-1001-01C | |
| 10 | Disconnect air conditioning service unit connection (4) from diagnostic socket of refrigerant line (2) and air conditioning service unit connection (5) from diagnostic socket of refrigerant line (3) | ||
| 11 | Screw plugs (1) onto diagnostic socket of refrigerant lines (2, 3) | ||
| Check | |||
| 12.1 | Use nitrogen tester to inspect air conditioning for leaks at all points at which the system was opened | Model 451.390/392/490/492 | |
| 000 588 10 21 00 Leak tester | WS83.00-P-0008B | ||
| 12.2 | Using air conditioning leak detector, inspect air conditioning for leaks at all points at which the system was opened | Model 451.3 (except 451.390/392), 451.4 (except 451.490/492) with code I01 (Air conditioning Plus) |
|
| 13 | Install electric vehicle sound generator | Model 451.390/392/490/492 with code B53 (Pedestrian sound module) |
AR08.00-P-1000MEX |
| 14 | Install maintenance flap |
AIR CONDITIONING
| Number | Designation | Model 451.3 (except 451.390/391), 451.4 (except 451.490/491) | Model 451.390/490 with code V03 (Battery cooling system) | ||
|---|---|---|---|---|---|
| BF83.30-P-1001-01C | Refrigerant | Filling capacity | g | 430 (+0/-20) | 500 |
AIR CONDITIONING
| Number | Designation | Model 451.390/490 except code V03 (Battery cooling system) | Model 451.391/491 | ||
|---|---|---|---|---|---|
| BF83.30-P-1001-01C | Refrigerant | Filling capacity | g | 470 | 550 |