Drain, evacuate and recharge air conditioning, check for proper operation and check for leaks · ar8330p1760sr · Mercedes-Benz WIS

AR83.30-P-1760SR

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

07.12.2018

Model	453 with engine 281
	with code I01 (Air conditioning Plus)
Model	453 with engine 281
	with code I77 (Air conditioning, manual)

Modification notes

17.07.2018

Filling capacity of air conditioning/automatic air conditioning

Model 453 with engine 281

BF83.00-P-1002-01K

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

Shown on vehicle with refrigerant R134a

1	Filling connection
2	High pressure pipe
3	Air conditioning service unit
4	Filling connection
5	Low pressure pipe

P83.30-4950-06

 Warning	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
 Danger	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
Topical note	Procedure for a damaged or leaky air conditioning system		AH83.30-N-0004-01A
Topical note	Protect air conditioning circuit and components from moisture when carrying out repair work		AH83.30-N-0005-01A
	Notes on handling refrigerant R134a		AH83.30-N-0003-01A
	Notes on handling refrigerant R1234yf		AH83.30-P-0003-02A
	Draining
1	Open maintenance flap.
2	Connect air conditioning service unit (3) to filler connection (1) of high pressure line (2) and to filler connection (4) of low-pressure line (5).
	000 588 04 82 00 Air conditioning service unit R134a		WS83.00-P-0031B
	000 588 10 82 00 R1234yf air conditioning service unit		WS83.00-P-0034B
		 When operating the air conditioning service unit (3), proceed in accordance with the operator's manual from the manufacturer.
3	Extract refrigerant.	 When operating the air conditioning service unit (3), proceed in accordance with the operator's manual from the manufacturer.
4	Note down extracted quantity of refrigerant oil in refrigerant circuit.
5	Replace drier cartridge.		AR83.30-P-6521SR
	Evacuate
6	Clean refrigerant with air conditioning service unit (3) and evacuate refrigerant circuit.	 When operating the air conditioning service unit (3), proceed in accordance with the operator's manual from the manufacturer.
	Check
7	Perform vacuum test using air conditioning service unit (3).	 When operating the air conditioning service unit (3), proceed in accordance with the operator's manual from the manufacturer.
	Filling
8	Add new compressor oil to refrigerant circuit using air conditioning service unit (3) according to the quantity of refrigerant oil noted during extraction.
	Compressor oils (specification 362.1)		BB00.40-P-0362-01A
		 Use approved compressor oil only. Otherwise, refrigerant circuit component parts may be damaged.
		 Correct quantity of refrigerant oil in refrigerant circuit. In the event of an incorrectly measured quantity of refrigerant oil, the refrigerant compressor may be damaged.
		 When operating the air conditioning service unit (3), proceed in accordance with the operator's manual from the manufacturer.
		 Use approved compressor oil only. If it is proven that a different compressor oil has been used, we will refuse to reimburse costs within the warranty and goodwill period. Daimler AG reserves the right to perform reexaminations.
		Depending on the repair case, the quantity of refrigerant oil must be corrected accordingly.
		
		Correct oil level in air conditioning system if system is suddenly drained.
			AR83.30-P-5253SR
		Correct oil level in air conditioning system after replacing parts.
		 Additional oil filling quantity when replacing condenser	*BF83.55-P-1003-01E
		 Additional oil filling quantity when replacing evaporator	*BF83.55-P-1004-01E
		 Additional oil filling quantity when replacing intake line	*BF83.55-P-1005-01E
		 Additional oil filling quantity when replacing pressure line	*BF83.55-P-1006-01E
		 Additional oil filling quantity after replacement of desiccant cartridge	*BF83.55-P-1007-01E
		 Additional oil filling quantity after replacement of refrigerant compressor	*BF83.55-P-1008-01E
		Correct oil level in air conditioning system in event of repair or slow loss of refrigerant.
			AR83.30-P-5251SR
9	Fill air conditioning system using air conditioning service unit (3).	 When operating the air conditioning service unit (3), proceed in accordance with the operator's manual from the manufacturer.
		 Filling capacity of air conditioning/automatic air conditioning	*BF83.00-P-1001-01K
		 Filling capacity of air conditioning/automatic air conditioning	*BF83.00-P-1002-01K
10	Check pressure using air conditioning service unit (3).	 When operating the air conditioning service unit (3), proceed in accordance with the operator's manual from the manufacturer.
		In the event of a pressure drop during the pressure test
		
		Check air conditioning system for leakage.
			AR83.30-P-1761SR
11	Disconnect air conditioning service unit (3).	 When operating the air conditioning service unit (3), proceed in accordance with the operator's manual from the manufacturer.
12	Close maintenance flap.

 Air conditioning/automatic air conditioning

Number	Designation			Model 453 with engine 281
BF83.00-P-1001-01K	Filling capacity of air conditioning/automatic air conditioning	Refrigerant R134a	g	475
		Sheet		BB00.40-P-0361-00A

 Air conditioning/automatic air conditioning

Number	Designation			Model 453 with engine 281
BF83.00-P-1002-01K	Filling capacity of air conditioning/automatic air conditioning	Refrigerant R1234yf	g	430
		Sheet		BB00.40-P-0361-01A

 Refrigerant compressor

Number	Designation			Engine 281 in model 453
BF83.55-P-1003-01E	Additional oil filling quantity when replacing condenser	Compressor oil	cm3	30

 Refrigerant compressor

Number	Designation			Engine 281 in model 453
BF83.55-P-1004-01E	Additional oil filling quantity when replacing evaporator	Compressor oil	cm3	30

 Refrigerant compressor

Number	Designation			Engine 281 in model 453
BF83.55-P-1005-01E	Additional oil filling quantity when replacing intake line	Compressor oil	cm3	15

 Refrigerant compressor

Number	Designation			Engine 281 in model 453
BF83.55-P-1006-01E	Additional oil filling quantity when replacing pressure line	Compressor oil	cm3	10

 Refrigerant compressor

Number	Designation			Engine 281 in model 453
BF83.55-P-1007-01E	Additional oil filling quantity after replacement of desiccant cartridge	Compressor oil	cm3	10

 Refrigerant compressor

Number	Designation			Engine 281 in model 453
BF83.55-P-1008-01E	Additional oil filling quantity after replacement of refrigerant compressor	Compressor oil	cm3	0

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