Remove/install refrigerant line between condenser and expansion valves - AR83.30-P-7817MEV
MODEL 451.391/491
Fig 1: Identifying Refrigerant Line Between Condenser And Expansion Valves Remove/Install Components (1 Of 2)
Fig 2: Identifying Refrigerant Line Between Condenser And Expansion Valves Remove/Install Components (2 Of 2)
| Risk of death when touching components on vehicles with high-voltage on-board electrical system | Do not touch components and open lines of the high-voltage on-board electrical system. Persons who wear electronic implants (e.g. cardiac pacemakers), must not carry out any work on high-voltage on-board electrical systems. | AS54.00-Z-0001-01A | |
| Note on the high-voltage on-board electrical system | AH54.00-P-0010-01A | ||
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Remove/install | |||
| 1 | Remove transmitter key and mains plug | ||
| 2 | Remove condenser (1) | AR83.30-P-6540MCC | |
| 3 | Detach snap clamp (3) | ||
| 4 | Pull expansion reservoir (5) with coolant hose (4) from radiator (2) and put to one side | ||
| 5 | Lead out radiator (2) at fan (6) and remove | ||
| 6 | Unlock electrical connector (9) at fan (6) and disconnect | ||
| 7 | Unclip clips (7) at fan (6) and put electrical wiring harness (8) to one side | Fig 3 | |
| 8 | Remove fan (6) | ||
| 9 | Unscrew nut (12) and take off bracket (11) | *BA83.30-P-1004-01L | |
| 10 | Unscrew nut (14) and pull bracket (13) forward | *BA83.30-P-1004-01L | |
| 11 | Pull out refrigerant line (10) at interior air conditioning expansion valve (Y19/1) | ||
| 12 | Pull out refrigerant line (10) at battery air conditioning expansion valve (Y19/3) and remove | Otherwise, penetrating dirt and moisture will damage the components that are attached to the refrigerant circuit. |
|
| 13 | Remove sealing rings at refrigerant line (10) | ||
| Compressor oils (specification 362.0) | MB 362.0 compressor oil A 001 989 08 03 | ||
| 14 | Install in the reverse order |
AIR CONDITIONING
| Number | Designation | MODEL 451.3/4 except 451.390/490 | |
|---|---|---|---|
| BA83.30-P-1004-01L | Nut, refrigerant lines to expansion valve | Nm | 4 |