Check evaporator for leaks

AR83.30-P-5550P

28.8.08

MODEL 203 with CODE (580) Automatic air conditioning

MODEL 203 with CODE (581) Comfort automatic air conditioning

P83.30-3445-05

1  Test adapter

2 Sealing ring

3 Retaining plate

4 Evaporator low pressure connection

5 Evaporator high pressure connection

6 Sealing ring

	Checking
 Danger!	Risk of injury caused by moving parts that can pinch, crush or, in extreme cases even sever extremities.	Always remove ignition key when working on windshield wiper mechanism.	AS82.30-Z-0001-01A
 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 discharged.	AS83.00-Z-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 R134a refrigerant	All models with R134a refrigerant	AH83.30-N-0003-01A
1	Remove expansion valve		AR83.30-P-5520P
2	Install test adapter (1) and adapter hose	 Test adapter depends on diameter of pipe at air conditioner housing.
		 Install test adapter (1) in place of expansion valve with new sealing rings (2, 6). Coat thread and sealing rings (2, 6) with compressor oil.
			*BA83.30-P-1002-01D
		 Test adapter	*140589516300
		 Adapter	*463589016300
		 Adapter hose	*140589516301
		Air conditioner pressure and leak tester (mobile) gotis://E_83_06.0
3	Connect testing unit to test adapter (1)
4	Check evaporator for leaks	 Fill system with a system pressure of 15 bar. Pressure must be maintained for at least 4 hours.
		 Temperature changes during the pressure test can cause pressure fluctuations, e.g. due to weather changes, overnight, cooling down of engine compartment. Make sure the ambient conditions remain constant.
		If faults are found: 
		Remove/install evaporator	AR83.30-P-5540P
5	Disconnect testing unit from test adapter (1)
6	Remove test adapter (1) and adapter hose	 Test adapter depends on diameter of pipe at air conditioner housing.
		 Test adapter	*140589516300
		 Adapter	*463589016300
		 Adapter hose	*140589516301
7	Install expansion valve	 Install expansion valve with new sealing rings (2, 6). Coat thread and sealing rings (2, 6) with compressor oil.	AR83.30-P-5520P

 Air conditioning

Number	Designation		Model 203, 209


BA83.30-P-1002-01D	Bolt, expansion valve	Nm	10

463 589 01 63 00

Adapter hose

Adapter

Test adapter

140 589 51 63 00

140 589 51 63 01

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