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Remove/install refrigerant compressor - AR83.55-P-5300MCU

ENGINES 132.910 in MODEL 451.3/4 with CODE (I01) Air conditioning Plus 

Fig 1: Identifying Refrigerant Compressor Remove/Install Components
G10979075Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING 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 drained. AS83.00-Z-0001-01A
NOTES Procedure for a damaged or leaky air conditioning system   AH83.30-N-0004-01A
NOTES Protect air conditioning circuit and components from moisture when carrying out repair work   AH83.30-N-0005-01A
IMPORTANT Notes on handling R134a refrigerant   AH83.30-N-0003-01A
1 Drain air conditioning system INSTALLATION IMPORTANT Evacuate air conditioning and then fill. AR83.30-P-1760MCC 
2 Disconnect fully automatic air conditioning service station Air conditioner service unit R134a  
3 Lower rear drive module   AR01.00-P-3050MCU
4 Remove poly-V belt for refrigerant compressor (A9)   AR13.21-P-1202MCU
5 Detach electrical connector (1) for refrigerant compressor (A9)    
6 Remove bolts (2), place refrigerant lines (3) to one side and remove seal rings of refrigerant lines (3) NOTES Close off refrigerant lines (3) and refrigerant compressor (A9) using appropriate stop plugs, as otherwise any penetrating dirt and moisture damages components that are connected to the refrigerant circuit.
INSTALLATION IMPORTANT Replace sealing rings at refrigerant lines (3) and coat with compressor fluid when inserting.
 
    TORQUE SPECIFICATION *BA83.55-P-1003-01V 
7 Unscrew screws (4) from refrigerant compressor (A9) TORQUE SPECIFICATION *BA83.55-P-1001-01V 
    TORQUE SPECIFICATION *BA83.55-P-1002-01V 
8 Remove refrigerant compressor (A9)    
9 Remove filter dryer IMPORTANT Always replace the filter drier after opening the refrigerant circuit AR83.30-P-6525MCC 
10 Install in the reverse order    
REFRIGERANT COMPRESSOR

Number Designation ENGINE 132.9
BA83.55-P-1001-01V Bolt, refrigerant compressor to cylinder crankcase Nm 20
BA83.55-P-1002-01V Bolt, AC compressor to oil pan Nm 20
BA83.55-P-1003-01V Screw/bolt, refrigerant line to refrigerant compressor Nm 20