Remove, install expansion valve - AR83.30-P-5520GC

MODEL 168 with CODE (580) Air conditioning or Tempmatic for USA

Fig 1: Identifying Expansion Valve Remove/Install Components - Model 168 with Code (580)

	Removing, installing
	Risk of explosion from welding or soldering work on closed air conditioning system. Risk of poisoning from inhaling overheated refrigerant vapors. Risk of injury from skin and eye contact with liquid refrigerant.	Do not carry out any welding work on the closed air conditioning system or in the surrounding area. No smoking or open flames. Wear eye protection 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	All models with AC	AH83.30-N-0005-01A
	Notes on handling refrigerant R134a	All models with R134a refrigerant	AH83.30-N-0003-01A
1	Drain air conditioning system (recycling), evacuate, fill, inspect for leaks	Return drawn off compressor oil to refrigerant circuit when filling air conditioning system	*BF83.30-P-1001-01B
2	Detach pressure and inlet lines (10, 11) at expansion valve (1)	Plug openings (parts kit) Installation: Replace seals (7, 8) and moisten with compressor oil when inserting	*BA83.30-P-1001-01A
3	Detach expansion valve (1) at inlet and pressure connections of evaporator (4, 5)	Plug openings (parts kit) Installation: Replace seals (2, 3) and moisten with compressor oil when inserting	*BA83.30-P-1002-01A
4	Install in the reverse order
5	Replace receiver-drier		AR83.30-P-6520GC
		Pay attention to oil replenishing quantity when replacing receiver-drier	*BF83.55-P-1005-01A
6	Switch on air conditioning and run engine at idling speed for about 4 minutes	Temperature selector to min. (blue) Blower switch to max.
7	Check function of air conditioning	Air outlet temperature at center nozzle should not drop below +5 ° C, if necessary ↓ Perform diagnosis as specified in Diagnosis Manual
8	Checking air conditioning system for leakage		AR83.30-P-1209-01GC *WE58.40-Z-1002-20A

AIR CONDITIONING SYSTEM

Number	Designation		Model 168 up to 28.2.01	Model 168 as of 1.3.01
BA83.30-P-1001-01A	Nut on expansion valve	Nm	10	10
BA83.30-P-1002-01A	Bolt of expansion valve	Nm	8	8

AIR CONDITIONING SYSTEM

Number	Designation			Model 168
BF83.30-P-1001-01B	Refrigerants	Filling quantities	g	600
BF83.30-P-1001-01B	Refrigerants	Specifications for service products	Sheet	BB00.40-P-0361-00A

REFRIGERANT COMPRESSOR

Number	Designation			Refrigerant compressor 6SE12 in model 168
BF83.55-P-1005-01A	Additional oil filling capacity when replacing receiver/drier	Compressor oil	cm³	10
BF83.55-P-1005-01A		Specifications for service products	Sheet	BB00.40-P-0362-00A

WORKSHOP EQUIPMENT

WE58.40-Z-1002-20A

Air conditioning leak detector