Drain, evacuate and recharge air conditioning, check for proper operation and check for leaks

AR83.30-P-1760H

27.06.2019

Model	240
	Front air conditioning, rear air conditioning

Drain, evacuate and recharge air conditioning, check for proper operation and
check for leaks

P83.30-3688-08

Front air conditioning

1	High-pressure line filler connection	4	Suction line filler connection
2	Charging equipment connection	5	Plug
3	Plug	6	Charging equipment connection

P83.30-3689-08

Rear-end air conditioning

7	Suction line filler connection	11	High-pressure line filler connection
8	Plug	12	Plug
9	Charging equipment connection	13	Charging equipment connection
10	Right air filter housing

	Draining
 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.	AS83.00-P-0001-01H
Topical note	Protect air conditioning circuit and components from moisture when carrying out repair work		AH83.30-N-0005-01A
Topical note	Procedure for a damaged or leaky air conditioning system		AH83.30-N-0004-01A
	Notes on handling refrigerant R134a		AH83.30-N-0003-01A
1	Remove right air filter housing (10) and cover up turbocharger with a clean rag	Only with rear air conditioning system
			AR09.10-P-1150H
2.1	Unscrew plugs (3, 5)	Only for front air conditioning system
2.2	Unscrew plugs (8, 12)	Only with rear air conditioning system
3.1	Connect charging equipment connection (2) to high-pressure line filler connection (1) and charging equipment connection (6) to suction line filler connection (4)	Only for front air conditioning system
3.2	Connect charging equipment connection (13) to high-pressure line filler connection (11) and charging equipment connection (9) to suction line filler connection (7)	Only with rear air conditioning system
4	Suction off refrigerant	 For all operation steps, must be carried out in accordance with the operating instructions for the charging equipment
		 In model 240, two separate refrigeration circuits are installed that have to be completely drained, evacuated and filled
		 Note quantity of extracted compressor oil.
	Evacuate
5	Replace refrigerant reservoir	Front air conditioning	AR83.30-P-6520H
		Rear-end air conditioning	AR83.30-P-6520HA
6	Clean refrigerant and evacuate air conditioning system
	Filling
7	Replace the previously noted compressor oil quantity amount with new oil, and feed to air conditioning system again.	 In the event of too much or too little compressor oil quantity, the refrigerant compressor can be damaged.
		 Additional fluid quantities when replacing parts of the refrigerant circuit:

		
		 Filling quantity - refrigerant compressor	*BF83.55-P-1001-01C
		 Additional oil filling quantity after sudden emptying of system (e.g. line ruptured)	*BF83.55-P-1002-01C
		 Additional oil filling quantity when replacing condenser	*BF83.55-P-1003-01C
		 Additional oil filling quantity when replacing evaporator	*BF83.55-P-1004-01C
		 Additional oil filling quantity when replacing fluid reservoir	*BF83.55-P-1005-01C
		 Additional oil filling quantity when replacing intake line	*BF83.55-P-1006-01C
		 Additional oil filling quantity when replacing pressure line	*BF83.55-P-1007-01C
		 Additional oil filling quantity when replacing refrigerant compressor	*BF83.55-P-1008-01C
		 Additional oil filling quantity with detectable leakage	*BF83.55-P-1009-01C
8	Fill air conditioning system	 Filling capacity - air conditioning/automatic air conditioning	*BF83.00-P-1001-01B
9.1	Disconnect charging equipment connection (2) at high-pressure line filler connection (1) and charging equipment connection (6) from suction line filler connection (4)	Only for front air conditioning system
9.2	Disconnect charging equipment connection (9) at suction line filler connection (7) and charging equipment connection (13) at high-pressure line filler connection (11)	Only with rear air conditioning system
10.1	Mount plugs (3, 5)	Only for front air conditioning system
10.2	Mount plugs (8, 12)	Only with rear air conditioning system
11	Remove rags from turbocharger and install right air filter housing (10)	Only with rear air conditioning system
			AR09.10-P-1150H
	Check
12	Check air conditioning system for leak tightness using leak detector	 Air conditioning leak detector
13	Check air conditioning system for proper operation	 Run engine at idle speed for about 4 minutes and check all the component functions which are of relevance for proper operation of the air conditioning system.

 Air conditioning/automatic air conditioning

Number	Designation			Model 240	Model 240
BF83.00-P-1001-01B	Filling capacity - air conditioning/automatic air conditioning	Refrigerant R134 a	g	950	950
		Sheet		BB00.40-P-0361-00A	BB00.40-P-0361-00A

 Refrigerant compressor

Number	Designation			Model 240	Model 240
BF83.55-P-1001-01C	Filling quantity - refrigerant compressor	Compressor oil	cm3	170	120
		Sheet		BB00.40-P-0362-00A	BB00.40-P-0362-00A

 Refrigerant compressor

Number	Designation			Model 240	Model 240
BF83.55-P-1002-01C	Additional oil filling quantity after sudden emptying of system (e.g. line ruptured)	Compressor oil	cm3	40	40
		Sheet		BB00.40-P-0362-00A	BB00.40-P-0362-00A

 Refrigerant compressor

Number	Designation			Model 240	Model 240
BF83.55-P-1003-01C	Additional oil filling quantity when replacing condenser	Compressor oil	cm3	20	10
		Sheet		BB00.40-P-0362-00A	BB00.40-P-0362-00A

 Refrigerant compressor

Number	Designation			Model 240	Model 240
BF83.55-P-1004-01C	Additional oil filling quantity when replacing evaporator	Compressor oil	cm3	20	20
		Sheet		BB00.40-P-0362-00A	BB00.40-P-0362-00A

 Refrigerant compressor

Number	Designation			Model 240	Model 240
BF83.55-P-1005-01C	Additional oil filling quantity when replacing fluid reservoir	Compressor oil	cm3	10	10
		Sheet		BB00.40-P-0362-00A	BB00.40-P-0362-00A

 Refrigerant compressor

Number	Designation			Model 240	Model 240
BF83.55-P-1006-01C	Additional oil filling quantity when replacing intake line	Compressor oil	cm3	15	25
		Sheet		BB00.40-P-0362-00A	BB00.40-P-0362-00A

 Refrigerant compressor

Number	Designation			Model 240	Model 240
BF83.55-P-1007-01C	Additional oil filling quantity when replacing pressure line	Compressor oil	cm3	10	10
		Sheet		BB00.40-P-0362-00A	BB00.40-P-0362-00A

 Refrigerant compressor

Number	Designation			Model 240	Model 240
BF83.55-P-1008-01C	Additional oil filling quantity when replacing refrigerant compressor	Compressor oil	cm3	20	20
		Sheet		BB00.40-P-0362-00A	BB00.40-P-0362-00A

 Refrigerant compressor

Number	Designation			Model 240	Model 240
BF83.55-P-1009-01C	Additional oil filling quantity with detectable leakage	Compressor oil	cm3	25	25
		Sheet		BB00.40-P-0362-00A	BB00.40-P-0362-00A

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