Remove/install refrigerant pressure sensor - AR83.30-P-5430MCC

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

Fig 1: Identifying Refrigerant Pressure Sensor Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	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 refrigerants.	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 emptied.	AS83.00-Z-0001-01A
	Procedure for a damaged or leaky air conditioning system		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 R134a refrigerant		AH83.30-N-0003-01A
1	Remove front CBS		AR88.00-P-1010MCC
2	Drain air conditioning system	Evacuate air conditioning and then fill.	AR83.30-P-1760MCC
3	Disconnect electrical connector (1) from refrigerant pressure sensor (B12)
4	Remove refrigerant pressure sensor (B12) from refrigerant line (2)	Close off refrigerant line (2) using appropriate stop plug, as otherwise penetrating dirt and moisture damage components that are connected to the refrigerant circuit.
			*BA83.30-P-1001-01L
5	Remove filter dryer	Always replace the filter drier after opening the refrigerant circuit	AR83.30-P-6525MCC
6	Install in the reverse order

AIR CONDITIONING

Number	Designation		Model 451.3/4 except 451.390/490	Model 451.390/490
BA83.30-P-1001-01L	Refrigerant pressure sensor to AC line	Nm	10	10