Remove/install refrigerant compressor · ar8355p5300ff · Mercedes-Benz WIS

AR83.55-P-5300FF

Remove/install refrigerant compressor

11.5.06

ENGINE 134.9, 135.9, 639.9 in MODEL 454.0
with CODE (I01) Air conditioning Plus
with CODE (I77) Manual air conditioning

P83.55-2100-04

Shown on engine 135.930

1 Refrigerant line

2 Refrigerant line

3 Bolt

4 Bolt

5 Bolts

A9 Refrigerant compressor

A9x1 Refrigerant compressor connector

 	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 and check for proper operation and tightness.	AR83.30-P-1760FF
2	Remove poly-V-belt	Engines 134.9, 135.9	AR13.22-P-1202FF
		Engine 639.9	AR13.22-P-1202FG
3	Unscrew screw (3) and detach refrigerant line (1) from refrigerant compressor (A9)	 Seal openings of refrigerant line (1) and at refrigerant compressor (A9) with suitable plugs.
		 Installation: Replace sealing ring at the refrigerant line (1).
			*BA83.30-P-1003-01F
4	Remove screw (4) and detach refrigerant line (2) from refrigerant compressor (A9)	 Seal openings of refrigerant line (2) and at refrigerant compressor (A9) with suitable plugs.
		 Installation: Replace sealing ring at the refrigerant line (2).
			*BA83.30-P-1004-01F
5	Disconnect refrigerant compressor connector (A9x1)
6	Unscrew bolts (5) and take off refrigerant compressor (A9)	 With engine 639.9, the spacer is also removed.
			*BA83.55-P-1001-01L
			*BA83.55-P-1002-01L
			*BA83.55-P-1004-01L
7	Install in the reverse order

 Air conditioning system

Number	Designation		Model 454.0


BA83.30-P-1003-01F	Refrigerant suction line to refrigerant compressor	Nm	9
BA83.30-P-1004-01F	Refrigerant pressure line to refrigerant compressor	Nm	9

 Refrigerant compressor

Number	Designation		Engine 134.910	Engine 134.911


BA83.55-P-1001-01L	Torx bolt, refrigerant compressor to bracket	Nm	20	20
BA83.55-P-1002-01L	Torx bolt for refrigerant compressor on crankcase	Nm	20	20

 Refrigerant compressor

Number	Designation		Engine 135.930	Engine 135.950	Engine 639.939


BA83.55-P-1001-01L	Torx bolt, refrigerant compressor to bracket	Nm	20	20	-
BA83.55-P-1002-01L	Torx bolt for refrigerant compressor on crankcase	Nm	20	20	20
BA83.55-P-1004-01L	Torx bolt, refrigerant compressor to oil pan	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
ar1322p1202ff Remove/install poly-V belt
ar1322p1202fg Remove/install poly-V-belt
ar8330p1760ff Drain, evacuate and recharge air conditioning, check for proper operation and check 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.