Refrigerant Compressor, Remove/Install - AR83.55-P-5310SRE
MODEL 453.091/391/491
| Risk of fire due to ignition of R1234yf refrigerant on hot components. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with escaped R1234yf refrigerant and when working on pressurized parts. Risk of explosion due to formation of ignitable refrigerant/air mixtures | 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 rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated. |
AS83.00-Z-0007-01A | |
| Protect air conditioning circuit and components from moisture when carrying out repair work | AH83.30-N-0005-01A | ||
| Procedure for a damaged or leaky air conditioning system | AH83.30-N-0004-01A | ||
| Notes on handling refrigerant R1234yf | AH83.30-P-0003-02A | ||
| Remove | |||
| 1 | Perform power disable of high-voltage on-board electrical system | AR54.10-P-1160SRE | |
| 2 | Drain air conditioning system | Model 453 with engine 780.997 with code I01 (Air conditioning Plus) Model 453 with engine 780.997 with code I77 (Air conditioning, manual) |
AR83.30-P-1760SRE |
| 3 | Remove cable (2) from bracket (4) and lay on one side | ||
| 4 | Remove the line bracket (5) | ||
| 5 | Disconnect electrical connector (6) and cover with protective covers | AR54.00-P-0051-01SRE | |
| Set of protective covers | Fig 1 | ||
| 6 | Remove screw/bolt (9) | ||
| 7 | Remove bolts (10, 11) | ||
| 8 | Unscrew bolt (12) | ||
| 9 | Remove refrigerant line (7) from refrigerant compressor (1) and seal openings using suitable stop plugs | Figure | |
| 10 | Remove screw/bolt (13) | ||
| 11 | Remove refrigerant line (8) from refrigerant compressor (1) and seal openings using suitable stop plugs | Figure | |
| 12 | Lift vehicle on vehicle lift | ||
| 13 | Unscrew nuts (14) | ||
| 14 | Remove screw/bolts (15) | ||
| 15 | Remove screw/bolt (16) and lay ground strap (17) to one side | ||
| 16 | Lower vehicle with lifting platform | ||
| 17 | Remove screw (3) and lift up refrigerant compressor (1) with bracket (4) until the electrical connector (18) is accessible | ||
| 18 | Disconnect electrical connector (18) and remove refrigerant compressor (1) with bracket (4) | ||
| 19 | Disconnect electrical connector (19) and cover with protective covers | If the refrigerant compressor (1) is replaced. | AR54.00-P-0051-01SRE |
| Fig 1 | |||
| Install | |||
| 20 | Remove protective covers and connect electrical connector (19) | If the refrigerant compressor (1) has been replaced. | AR54.00-P-0051-01SRE |
| 21 | Connect electrical connector (18) | ||
| 22 | Position refrigerant compressor (1) with bracket (4) and screw in screw (3) up to contact surface | ||
| 23 | Lift vehicle on vehicle lift | ||
| 24 | Tighten screws/bolts (15) | ||
| 25 | Position ground strap (17) on screw/bolt (16) and tighten screw/bolt (16) | *BA83.55-P-1002-02C | |
| 26 | Tighten nuts (14) | *BA83.55-P-1002-02C | |
| 27 | Lower vehicle with lifting platform | ||
| 28 | Replace the sealing ring on the refrigerant line | ||
| 29 | Remove the stop plugs, place refrigerant line (8) on refrigerant compressor (1) and tighten firmly with screw/bolt (13) | *BA83.55-P-1001-02C | |
| 30 | Replace the sealing ring on the refrigerant line | ||
| 31 | Remove the stop plugs, place refrigerant line (7) on refrigerant compressor (1) and tighten firmly with screw/bolt (12) | *BA83.55-P-1001-02C | |
| 32 | Tighten screws/bolts (10, 11) | ||
| 33 | Tighten screw/bolt (9) | ||
| 34 | Remove protective covers and connect electrical connector (6) | ||
| 35 | Attach the line bracket (5) | ||
| 36 | Tighten screw (3) | ||
| 37 | Mount cable (2) onto bracket (4) | ||
| 38 | Perform initial startup of high-voltage on-board electrical system | AR54.10-P-1160SRE | |
| 39 | Evacuate the air conditioning system, refill it, and then check the system to make sure that it functions correctly and does not leak | Model 453 with engine 780.997 with code I01 (Air conditioning Plus) Model 453 with engine 780.997 with code I77 (Air conditioning, manual) |
AR83.30-P-1760SRE |
REFRIGERANT COMPRESSOR
| Number | Designation | Model 453.091/391/491 | |
|---|---|---|---|
| BA83.55-P-1001-02C | Bolt, refrigerant line to refrigerant compressor | Nm | 20 |
REFRIGERANT COMPRESSOR
| Number | Designation | Model 453.091/391/491 | |
|---|---|---|---|
| BA83.55-P-1002-02C | Screw/bolt/nut, A/C compressor to engine | Nm | 20 |