Remove/install refrigerant compressor · ar8355d5300a · Mercedes-Benz WIS

AR83.55-D-5300A

Remove/install refrigerant compressor

28.1.09

MODEL 901.0 /3 /4, 902.0 /3 /4, 903.0 /3 /4, 904.0 /3 /4 with CODE (H06) Air conditioning

D83.55-0002-06

1 Electrical connector

2 Refrigerant compressor

3 Refrigerant line intake side

4 Screw

5 Refrigerant line pressure side

6 Connection lines of refrigerant compressor

7 Screw

 	Remove/install
 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
1	Discharge air conditioning system		AR83.30-D-1780A
	Protect air conditioning circuit and components from moisture when carrying out repair work	All models with air conditioning	AH83.30-N-0005-01A
2	Slacken poly-V belt and remove from refrigerant compressor	Engine 111
		Engine 601.943, 602.980	AR13.22-D-1202B
3	Disconnect electrical connector (1) at refrigerant compressor (2)
4	Unbolt refrigerant lines (3 and 5) from the connection lines of the refrigerant compressor		*BA83.30-N-1002-02A
			*BA83.30-N-1005-02A
5	Unscrew screws (4) and remove AC compressor (2)	  Installation: top up compressor oil	*BA83.55-N-1001-01A
		 with new refrigerant compressor	*BF83.30-N-1002-01A
		 during removal/installation	*BF83.30-N-1007-01A
6	Install in the reverse order	If refrigerant compressor had to be replaced because of internal fault 
		 Replace connection lines (6) with sealing rings	*BA83.55-N-1002-01A
		Replace expansion valve	AR83.30-D-5520A
7	Remove fluid reservoir	 After every removal/installation of the refrigerant compressor, the accumulator must be replaced	AR83.30-D-6520A
8	Evacuating air conditioning system, leak test		AR83.30-D-1762A
9.1	Fill air conditioning system, replenish (gaseous)		AR83.30-D-1767A
9.2	Fill air conditioning system (liquid)		AR83.30-D-1777A

 Refrigerant lines

Number	Designation		Model 901.0/3/4, 902.0/3/4, 903.0/3/4, 904.0/3/4 except model 904 with code HK1	Model 904 with code HK1


BA83.30-N-1002-02A	Refrigerant line of refrigerant compressor/condenser to refrigerant compressor	Nm	33 (4)	-
BA83.30-N-1005-02A	Expansion valve / refrigerant compressor refrigerant line to refrigerant compressor	Nm	44 (4)	-

 Refrigerant compressor

Number	Designation		Model 638 with engines 104, 111, 601


BA83.55-N-1001-01A	Bolt, refrigerant compressor	Nm	23
BA83.55-N-1002-01A	Bolt of suction and high pressure line to refrigerant compressor	Nm	23

Air conditioning

Number	Designation			Model 901.0/3/4, 902.0/3/4, 903.0/3/4, 904.0/3/4 with code H06


BF83.30-N-1002-01A	Refill quantity of compressor oil when replacing refrigerant compressor with fluid reservoir		cm3	20
		Specifications for Operating Fluids	Sheet	BB00.40-P-0362-00A
BF83.30-N-1007-01A	Compressor oil refill quantity when removing/installing refrigerant compressor and replacing fluid reservoir		cm3	10
		Specifications for Operating Fluids	Sheet	BB00.40-P-0362-00A

Referenced documents

ah8330n000501a Protect air conditioning circuit and components from moisture when carrying out repair work
ar1322d1202b Remove/install poly-V belt
ar8330d1762a Evacuate air conditioning system, carry out leak check
ar8330d1767a Fill air conditioning system, replenish (gaseous)
ar8330d1777a Fill air conditioning system (liquid)
ar8330d1780a Drain air conditioning
ar8330d5520a Remove and install expansion valve
ar8330d6520a Remove/install fluid reservoir
as8300z000101a 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.