Remove/install refrigerant compressor · ar8355d5300nc · Mercedes-Benz WIS

AR83.55-D-5300NC

Remove/install refrigerant compressor

18.5.04

MODEL WD2, WD3, WD6, WD7, YD2, YD3, YD4, YD5, YD6, YD7 with ENGINE 647.981 with CODE (H08) High-performance air conditioning

MODEL 903.662 /663 /672 /673, 904.662 /663 with ENGINE 647.981
with CODE (ZU7) National version for Canada
with CODE (H08) High-performance air conditioning

MODEL 903.662 /663 /672 /673, 904.662 /663 with ENGINE 647.981
with CODE (ZU8) National version for USA
with CODE (H08) High-performance air conditioning

MODEL 903.662 /663 /672 /673, 904.662 /663 with ENGINE 647.981
with CODE (ZU9) National version for Mexico
with CODE (H08) High-performance air conditioning

D83.55-1113-08

1 Roof air conditioning refrigerant compressor

2 Bolt

5 Refrigerant line

6 Electrical connector

3 V-belt

4 Refrigerant line

 	Remove/install
 Danger!	Risk of explosion from welding or soldering work on closed air conditioning system. Risk of poisoning from 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
	Conduct if air conditioning system is damaged or leaking		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 refrigerant R134a		AH83.30-N-0003-01A
1	Discharge air conditioning system	 Installation: Evacuate, refill air conditioning system and check for proper operation and tightness.	AR83.30-D-1760B
2	Open engine hood
3	Remove V-belt (3)		AR13.21-D-0100NB
4	Detach electrical connector (6) on roof air conditioning refrigerant compressor (1)	 Installation: Ensure that electrical connector (6) is seated properly.
5	Detach refrigerant lines (4, 5) on roof air conditioning refrigerant compressor (1)	 Installation: Install new sealing rings (4, 5) for refrigerant lines.
			*BA83.30-N-1009-02A
6	Remove brackets for refrigerant line (5) from oil pan	 Installation: Observe spacer sleeves.
			*BA01.45-N-1001-01H
7	Undo bolts (2) and remove roof air conditioning refrigerant compressor (1)		*BA83.55-N-1001-01B
8.1	Replace refrigerant lines (4, 5) and expansion valve	Only if the roof air conditioning refrigerant compressor (1) is replaced because of an internal fault.
9	Install in the reverse order

 Oil pan

Number	Designation			Engine 647.981


BA01.45-N-1001-01H	Bolt, oil pan to crankcase	M6	Nm	9
		M8	Nm	20
		M10	Nm	-

 Refrigerant lines

Number	Designation		Models 901.6, 902.6, 903.6, 904.6, WD2, WD3, WD6, WD7 with code HH7/H08


BA83.30-N-1009-02A	Screw for refrigerant line on refrigerant compressor	Nm	21 (2 )

 Refrigerant compressor

Number	Designation		Models 901.6, 902.6, 903.6, 904.6, WD2, WD3, WD6, WD7 with code H08


BA83.55-N-1001-01B	Bolt, refrigerant compressor/bracket	Nm	20

Referenced documents

ah8330n000301a Notes on handling refrigerant R134a
ah8330n000401a Procedure for a damaged or leaky air conditioning system
ah8330n000501a Protect air conditioning circuit and components from moisture when carrying out repair work
ar1321d0100nb Removing and installing the V-belt
ar8330d1760b Draining, evacuating and refilling air conditioning, checking function and checking for leaks
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.