Check Evaporator For Leaks - AR83.30-P-5550GW
Model 463
as of model year 2013 up to model year 2019
| Risk of explosion when using a forming gas with incorrect mixing ratio. Risk of suffocation due to inhalation of forming gas. Risk of injury due to bursting of high-pressure hoses. | Wear safety glasses and protective gloves. No smoking or open flames. Work in well-ventilated rooms only. | AS83.00-Z-0001-02A | |
| Risk of poisoning caused by inhaling overheated refrigerant vapors from an air conditioning system containing R134a. Risk of injury to skin and eyes caused by contact with liquid R134a refrigerant and when working on pressurized parts | 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-0006-01A | |
| 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 R134a | AH83.30-N-0003-01A | ||
| Notes on handling refrigerant R1234yf | AH83.30-P-0003-02A | ||
| Check | |||
| 1 | Remove expansion valve | AR83.30-P-5520GW | |
| 2 | Install adapter (1) in place of expansion valve with new sealing rings (2, 6) | *BA83.30-P-1016-01C | |
| Fig 1 | |||
| 3 | Connect leak tester to adapter (1) | ||
| 000 588 19 21 00 Leak tester | WS83.00-P-0035B | ||
| 4 | Check evaporator for leaks using forming gas | ||
If a pressure drop is determined ↓ Replace evaporator. |
AR83.30-P-5540GW | ||
| 5 | Disconnect leak tester from adapter (1) | ||
| 000 588 19 21 00 Leak tester | WS83.00-P-0035B | ||
| 6 | Remove adapter (1) | Fig 1 | |
| 7 | Install expansion valve | AR83.30-P-5520GW | |
AIR CONDITIONING
| Number | Designation | Model 463 up to model year 2019 | |
|---|---|---|---|
| BA83.30-P-1016-01C | Bolt, expansion valve | Nm | 8 |