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Home >> Mercedes Benz >> 2007 >> SLK350 Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 171 Chassis >> Testing & Repair >> Remove/install valve insert on service valve - AR83.30-P-6523V

Remove/install valve insert on service valve - AR83.30-P-6523V

MODEL 171.4 with CODE (580) Automatic air conditioning with CODE (581) Convenience automatic air conditioning 

Fig 1: Identifying Valve Element And Service Valve
G05034015Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Removal/installation    
DANGER Risk of explosion  from welding or soldering work on sealed 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. -
NOTES Conduct if air conditioning system is damaged or leaking   AH83.30-N-0004-01A 
NOTES Protect air conditioning circuit and components from moisture when carrying out repair work   -
IMPORTANT Notes on handling refrigerant R134a   AH83.30-N-0003-01A 
1 Discharge air conditioning system IMPORTANTInstallation:  Evacuate, refill air conditioning system and check for proper operation and tightness. AR83.30-P-1760V 
2 Disconnect air conditioning evacuation, recycling and charging unit for refrigerant R134a at the service valve (2) COMMERCIALLY AVAILABLE TOOLS *WE58.40-Z-1002-22A 
3 Unscrew valve element (1) at the service valve (2) IMPORTANTInstallation:  Moisten valve element (1) with compressor oil.  
    TORQUE SPECIFICATION *BA83.30-P-1008-01D 
    SPECIAL TOOL Fig 2
4 Install in the reverse sequence    
AIR CONDITIONING SYSTEM

Number Designation Model 171 except 171.473 Model 171.473
BA83.30-P-1008-01D Valve element at service valve Nm 2 -
Fig 2: Identifying Valve Wrench (203 589 01 10 00)
G05034016Courtesy of MERCEDES-BENZ USA
WORKSHOP EQUIPMENT

WE58.40-Z-1002-22A Air conditioning service station