Refrigerant Compressor, Remove/Install - AR83.55-P-5310ELA

Engine 276 in model 205, 213, 218, 222, 253 

Courtesy of MERCEDES-BENZ USA

Shown on engine 276.8 

Shown on 276.8 engine with code 2U8 (alternative refrigerant) 

Courtesy of MERCEDES-BENZ USA

Shown on TRANSMISSION 722.9 

Courtesy of MERCEDES-BENZ USA

	Risk of fire  due to ignition of R1234yf refrigerant on hot components. Risk of poisoning  caused by inhaling overheated refrigerant vapors. Risk of injury  to skin and eyes caused by contact with escaped R1234yf refrigerant and when working on pressurized parts. Risk of explosion  due to formation of ignitable refrigerant/air mixtures	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 rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated.	AS83.00-Z-0007-01A
	Risk of injury  when working on air conditioning systems due to R744 refrigerant escaping under pressure.Risk of suffocation  from inhaling R744 refrigerant in high concentrations Health hazard caused by inhalation of R744 refrigerant	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 evacuated. Engine 276 in model 213, 222 with code 1U6 (R744 refrigerant)	AS83.00-Z-0008-01A
	Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
	Risk of poisoning  caused by inhaling overheated refrigerant vapors from an air conditioning system containing R134a. Risk of injury  to skin and eyes caused by contact with liquid R134a refrigerant and when working on pressurized parts	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 rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated.	AS83.00-Z-0006-01A
	Protect air conditioning circuit and components from moisture when carrying out repair work		AH83.30-N-0005-01A
	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Notes on handling refrigerant R134a		AH83.30-N-0003-01A
	Notes on handling refrigerant R1234yf		AH83.30-P-0003-02A
	Notes on handling refrigerant R744	Engine 276 in model 213, 222 with code 1U6 (R744 refrigerant)	AH83.30-P-0003-03A
	Remove/install
1	Discharge air conditioning system.	Engine 276 in model 222	AR83.30-P-1760LF
		Engine 276 in model 218	AR83.30-P-1760CW
		Engine 276 in model 205, 213, 253	AR83.30-P-1760LW
2	Remove air intake pipe (1).
3	Remove charge air pipe (2).	Engine 276.8 in model 205, 253	AR09.41-P-1327MMV
		Engine 276.8 in model 213	AR09.41-P-1327MND
		Engine 276.8 in model 222	AR09.41-P-8620LFA
		Engine 276.8 in model 218 : Replace seal.	AR09.41-P-8620ELS
4	Slacken poly-V-belt (3) and remove from belt pulley (4).	Engine 276.8 in model 205, 253	AR13.22-P-1202MMV
		Engine 276.8 in model 222	AR13.20-P-0001LFA
		Engine 276.9 in model 222	AR13.20-P-0001LFH
		Engine 276.9 in model 218	AR13.20-P-0001EL
		Engine 276.8 in model 218	AR13.20-P-0001ELS
		Engine 276.8 in model 213	AR13.22-P-1202MND
5	Release and disconnect electrical connector (5).
6.1	Remove low-pressure line (6) from refrigerant compressor (13) and seal openings with suitable stop plugs.	Engine 276 in model 205, 218, 222, 253 Engine 276 in model 213 with code 1U6 (R744 refrigerant)
	Compressor oils (specification 362.0)	Engine 276 in model 205, 218, 253 Engine 276 in model 213, 222 except code 1U6 (R744 refrigerant)	BB00.40-P-0362-00A
	Compressor oils (specification 362.3)	Engine 276 in model 213, 222 with code 1U6 (R744 refrigerant) : Replace the sealing ring of the low-pressure line (6). Moisten sealing ring with compressor oil.	BB00.40-P-0362-03A
		Bolt, refrigerant line to refrigerant compressor	*BA83.55-P-1003-01M
		Record plug	Fig 1
6.2	Remove low-pressure line (6) from connecting point to refrigerant compressor (13) and seal openings using suitable stop plugs.	Engine 276 in model 213 except code 1U6 (R744 refrigerant)
	Compressor oils (specification 362.0)		BB00.40-P-0362-00A
		: Replace the sealing ring of the low-pressure line (6). Moisten sealing ring with compressor oil.
		Nut/bolt, connecting point for refrigerant line	*BA83.30-P-1004-01R
		Record plug	Fig 1
7	Remove high-pressure line (7) from refrigerant compressor (13) and seal openings using suitable stop plugs.
	Compressor oils (specification 362.0)	Engine 276 in model 205, 218, 253 Engine 276 in model 213, 222 except code 1U6 (R744 refrigerant)	BB00.40-P-0362-00A
	Compressor oils (specification 362.3)	Engine 276 in model 213, 222 with code 1U6 (R744 refrigerant) : Replace sealing ring of high-pressure line (7). Moisten sealing ring with compressor oil.	BB00.40-P-0362-03A
		Bolt, refrigerant line to refrigerant compressor	*BA83.55-P-1003-01M
		Record plug	Fig 1
8	Remove lower engine compartment paneling.	Engine 276 in model 222	AR61.20-P-1105LF
		Engine 276 in model 218	AR61.20-P-1105EW
		Engine 276 in model 205, 253	AR61.20-P-1105LW
		Engine 276 in model 213	AR61.20-P-1105LWE
		: Only install lower engine compartment paneling after leak test.
9	Remove holders (8) from oil lines (9).	Note positioning of holder (8).
10	Remove clamps (10) and press oil lines (9) to one side.	Engine 276 in model 205, 213, 218, 222, 253 with transmission 725.0 Engine 276 in model 205, 218, 222 with transmission 722.9 Screw, oil cooler oil line clamp to oil pan	*BA27.55-P-1006-01D
11	Remove the two screws accessible from below from refrigerant compressor (13).	Screw/bolt, refrigerant compressor to timing case/crankcase/engine support	*BA83.55-P-1001-01M
12	Remove screw (11) of refrigerant compressor (13), take off holder (12) and take out refrigerant compressor (13) upward.	Remove refrigerant compressor (13) carefully. Otherwise, surrounding component parts or the refrigerant compressor (13) may be damaged.
		Screw/bolt, refrigerant compressor to timing case/crankcase/engine support	*BA83.55-P-1001-01M
13	Correct oil level of refrigerant compressor (13).	Engine 276 in model 213, 222 with code 1U6 (R744 refrigerant)
		Engine 276 in model 213, 222 with code 1U6 (R744 refrigerant)	AR83.55-P-5310-02MNM
	Compressor oils (specification 362.3)		BB00.40-P-0362-03A
		Oil drain screw (CO2 ) on refrigerant compressor	*BA83.55-P-1012-01M
14	Place refrigerant compressor (13) for 10 minutes onto belt pulley (4) and then turn belt pulley (4) to and fro 3 times through approx 90°.	Engine 276 in model 213, 222 with code 1U6 (R744 refrigerant) When replacing the refrigerant compressor (13) This serves to fill the area surrounding the slide ring seal with oil.
15	Install in the reverse order.
16	Perform commissioning of refrigerant compressor (13) with diagnostic system, and read out and erase the fault memory.	When replacing the refrigerant compressor (13)
		Engine 276 in model 218	AD00.00-P-2000-04A
		Engine 276 in model 205, 213, 222, 253	AD00.00-P-2000-04B
17	Perform engine test run; while doing so check engine and air conditioning system for proper operation and leak tightness.
18	Install lower engine compartment lining.	Engine 276 in model 222	AR61.20-P-1105LF
		Engine 276 in model 218	AR61.20-P-1105EW
		Engine 276 in model 205, 253	AR61.20-P-1105LW
		Engine 276 in model 213	AR61.20-P-1105LWE

Fig 1: Identifying Record Plug (129 589 00 91 00)

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