2 | Pressure-side testing and filling valve |
3 | Suction side testing and filling valve |
4 | Intake side shutoff valve |
T83.30-0061-06
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. | |
Topical note | Protect air conditioning circuit and components from moisture when carrying out repair work | ||
Topical note | Procedure for a damaged or leaky air conditioning system | ||
Notes on handling refrigerant R134a | |||
1 | Open electromagnetic shutoff valve |
| |
Electric opening | |||
2 | Evacuate air conditioning system and perform a leak test | ||
3 | Charge air conditioning system with refrigerant | Only fill the specified total filling quantity via the pressure side test and filling valve (2). | |
Total filling capacity - refrigerant | |||
4 | Remove intake side shutoff valve (4) up to end stop | The intake side test and filling valve (3) is closed by unscrewing the intake side shutoff valve (4). | |
5 | Tighten cover cap on intake side shutoff valve (4) | ||
6 | Switch off air conditioning vacuum and recycling unit | ||
7 | Remove suction and pressure line of air conditioning vacuum and recycling unit from pressure side test and filling valve (2) and from intake side test and filling valve (3) | ||
8 | Close electromagnetic shutoff valve | Only if the electromagnetic shutoff valve has been opened with the aid of a magnet. | |
9 | Remove electric line for energization of electromagnetic shutoff valve | Only if the electromagnetic shutoff valve has been opened by energization. |
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