Drain, evacuate and recharge air conditioning, check for proper operation and check for leaks · ar8330d1760ts · Mercedes-Benz WIS

AR83.30-D-1760TS

Drain, evacuate and recharge air conditioning, check for proper operation and check for leaks

24.06.2020

Model

907, 910

Modification notes

29.05.2020	Work procedure revised.	Whole document.
23.06.2020	Total filling capacity - refrigerant	Model 910	BF83.30-N-1001-01TS
23.06.2020	Total filling capacity - refrigerant	Model 907 with code D50, except code G42, code G43 model 907 with code D51, except code G42, code G43 model 907 with code D64, except code G42, code G43	BF83.30-N-1001-01TS
23.06.2020	Total filling capacity - refrigerant	Model 907 with code HH7, code HH9, code IR4	BF83.30-N-1001-01TS
23.06.2020	Total filling capacity - refrigerant	Model 907 with code H08, code IR4	BF83.30-N-1001-01TS
23.06.2020	Total filling capacity - refrigerant	Model 907 with code HH7, code HH9, code IR6 model 907 with code HH7, code HH9, code IR7	BF83.30-N-1001-01TS

Drain, evacuate and recharge air conditioning, check for proper operation and
check for leaks

Shown on model 907 with engine 651

1	Test and filler connection for high-pressure line
2	Test and filler connection for low-pressure line

D83.30-1267-11

Shown on model 910 with engine 780.703

1	Test and filler connection for high-pressure line
2	Test and filler connection for low-pressure line

D83.30-A017-11

 Danger	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
 Danger	Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)	Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.Model 910 with engine 780.703	AS00.00-Z-0035-01A
 Warning	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
Topical note	General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment	Model 910 with engine 780.703	AH00.00-Z-0300-01A
Topical note	Procedure for a damaged or leaky air conditioning system		AH83.30-N-0004-01A
Topical note	Protect air conditioning circuit and components from moisture when carrying out repair work		AH83.30-N-0005-01A
	Notes on handling refrigerant R134a		AH83.30-N-0003-01A
	Notes on handling refrigerant R1234yf		AH83.30-P-0003-02A
	Check
1	Read out Vehicle Documentation (VeDoc) and check code entries.	Model 910 with engine 780.703
		 The vehicle interior shutoff valve can be installed in the "NO" version or in the "NC" version.
		If code OB0 (NO SHUTOFF VALVE) is present in VeDoc,
		
		remove code OB0 (NO SHUTOFF VALVE).
		 Codes can only be removed in VeDoc by a user with write permission.
	Remove
2	Remove respective air filter housing.	Model 907 with engine 274, 642, 651 Model 910 with engine 651
		Model 907 with engine 274	AR09.10-S-1150EG
		Model 907 with engine 651	AR09.10-D-1150TS
		Model 907 with engine 642	AR09.10-D-1150TSV
		Model 910 with engine 651	AR09.10-D-1150TSF
	Analyze
3	Detach cover caps from high-pressure line test and filler connection (1) and from low-pressure line test and filler connection (2).
4	Connect respective air conditioning service unit.
	000 588 04 82 00 Air conditioning service unit R134a		WS83.00-P-0031B
	000 588 10 82 00 R1234yf air conditioning service unit		WS83.00-P-0034B
		 When connecting and when operating the air conditioning service unit, the complete work procedure must be conducted in accordance with the operator's manual of the manufacturer.
5	Analyze refrigerant in air conditioning system.	Model 907 with code HX1 (Refrigerant R-1234yf)
		 Perform the refrigerant analysis using an analysis device integrated into the air conditioning service unit or an external analysis device with data transfer to the air conditioning service unit.
		 The gas analysis is deemed positive if the refrigerant has a degree of purity of at least 98.5 %.
		If a positive gas analysis is present.
		
		the refrigerant can be extracted from the air conditioning system into the internal container of the air conditioning service unit.
		If a negative gas analysis is present.
		
		Repeat gas analysis.
		 The gas analysis must be performed up to 3 times. After a third negative gas analysis, the analysis device must be verified in accordance with the operator's manual.
		If the analysis device is functioning and a negative gas analysis is present.
		
		Extract contaminated refrigerant from air conditioning system into a recycling cylinder.
	Drain and evacuate
6	Mount charger.	Model 910 with engine 780.703	AR54.10-D-1127TS
7	Open vehicle interior shutoff valve using diagnostic system.	Model 910 with engine 780.703
	Connect/disconnect diagnostic unit		AD00.00-D-2000-06TS
		 Do not yet remove vehicle diagnosis system.
		If vehicle interior shutoff valve cannot be opened using diagnostic system,
		
		actuate vehicle interior shutoff valve separately with 12 V.
		 To do so, disconnect electrical connector and use suitable adapter cables for MQS contacts.
		 Electrical connection kit	*220589059900
8	Empty air conditioning system using the air conditioning service unit.	 Model 907 with code HX1 (Refrigerant R-1234yf) Extract refrigerant according to result of gas analysis.
		 Document amount suctioned off of compressor oil.
	Check
9.1	Check refrigerant reservoir for re-usability.	Model 907
		If fluid reservoir cannot be reused,
		
		Replace the fluid reservoir.
		Remove/install fluid reservoir	AR83.30-D-6520TSR
9.2	Check receiver drier for re-usability.	Model 910
		If receiver drier cannot be reused,
		
		Replace drier cartridge.
		Remove/install desiccant cartridge Model 910 with engine 651	AR83.30-D-6521TS
		* Applies to Europe only
		

		Remove/install desiccant cartridge Model 910 with engine 780.703	AR83.30-D-6521TE
10	Replace vehicle interior shutoff valve.	* only for Europe and if code OB0 (NO SHUTOFF VALVE) was present in VeDoc.
		Model 910 with engine 780.703	AR83.30-D-5481TE
		 Vehicle interior shutoff valve in "NO" version must be replaced by a vehicle interior shutoff valve in "NC" version.
11	Open vehicle interior shutoff valve using diagnostic system.	Model 910 with engine 780.703 If vehicle interior shutoff valve was replaced.
	Connect/disconnect diagnostic unit		AD00.00-D-2000-06TS
		 Do not yet remove vehicle diagnosis system.
		If vehicle interior shutoff valve cannot be opened using diagnostic system,
		
		actuate vehicle interior shutoff valve separately with 12 V.
		 To do so, disconnect electrical connector and use suitable adapter cables for MQS contacts.
		 Electrical connection kit	*220589059900
12	Clean refrigerant with air conditioning service unit and evacuate refrigerant circuit.
13	Conduct vacuum test using air conditioning service unit.	 If the air conditioning service unit shows a fault message, then this is an indication that there is a leak in the refrigerant circuit.
		If the air conditioning service unit shows a fault message,
		
		Check air conditioning system for leakage.
			AR83.30-D-1761TS
	Filling
14	Add new compressor oil to the refrigerant circuit according to the oil filling capacity noted during extraction.	 Use approved compressor oil only. If it is proven that a different compressor oil has been used, we will refuse to reimburse costs within the warranty and goodwill period. Daimler AG reserves the right to perform reexaminations.
		 Correct compressor oil in refrigerant circuit. Otherwise, a wrongly measured oil filling capacity could damage the refrigerant compressor.
		 If the refrigerant compressor is to be replaced, no additional oil may be added. Otherwise, this may lead to malfunction or damage of the air conditioning system.
		 Depending on the repair case, the oil filling quantity may need to be adjusted accordingly.
		 Model 910 with engine 780.703Additional oil filling capacity after replacing system	*BF08.50-N-1002-02TE
		 Model 910 with engine 780.703Additional oil filling quantity after sudden emptying of system (e.g. line ruptured)	*BF08.50-N-1003-02TE
		 Model 910 with engine 780.703Additional oil filling quantity after replacing evaporator	*BF08.50-N-1004-02TE
		 Model 910 with engine 780.703Additional oil filling quantity after replacement of refrigerant line	*BF08.50-N-1005-02TE
		 Model 910 with engine 780.703Additional oil filling quantity with detectable leakage	*BF08.50-N-1006-02TE
		 Model 910 with engine 780.703Additional oil filling capacity after replacing refrigerant condenser	*BF08.50-N-1007-02TE
		 Model 910 with engine 780.703Additional oil filling quantity after replacement of desiccant cartridge	*BF08.50-N-1008-02TE
		 Model 907, model 910 with engine 651Compressor oil filling capacity in air conditioning system (including refrigerant compressor)	*BF83.30-N-1002-01TS
		 Model 907, model 910 with engine 651Additional compressor oil filling capacity after sudden emptying of air conditioning system (e.g. line break)	*BF83.30-N-1004-01TS
		 Model 907, model 910 with engine 651Additional compressor oil filling capacity after replacing condenser	*BF83.30-N-1005-01TS
		 Model 907, model 910 with engine 651Additional compressor oil filling capacity after replacing evaporator	*BF83.30-N-1006-01TS
		 Model 907, model 910 with engine 651Additional compressor oil filling capacity after replacing a refrigerant line	*BF83.30-N-1007-01TS
		 Model 910 with engine 651Additional compressor oil filling capacity after replacing receiver drier	*BF83.30-N-1008-01TS
		 Model 907Additional compressor oil filling capacity after replacing refrigerant reservoir	*BF83.30-N-1009-01TS
		 Model 907, model 910 with engine 651Additional compressor oil filling capacity with detectable leak	*BF83.30-N-1010-01TS
		 Model 907 with code H08 (Enhanced roof-mounted air conditioning system) or with code HH7 (Basic roof-mounted air conditioning system)Additional compressor oil filling capacity after replacing complete roof-mounted air conditioning system	*BF83.30-N-1011-01TS
15	Fill air conditioning system with air conditioning service unit.	 Model 910 with engine 780.703Total filling capacity of refrigerant circuit	*BF08.50-N-1001-02TE
		 Model 907, model 910 with engine 651Total filling capacity - refrigerant	*BF83.30-N-1001-01TS
	Check
16	Conduct pressure test using air conditioning service unit.	If the pressure drops during the pressure test.
		
		Check air conditioning system for leakage.
			AR83.30-D-1761TS
17.1	Close vehicle interior shutoff valve using diagnostic system.	Model 910 with engine 780.703 If vehicle interior shutoff valve was opened using diagnostic system.
		 Do not yet remove vehicle diagnosis system.
17.2	Remove adapter cables from vehicle interior shutoff valve and connect electrical connector.	Model 910 with engine 780.703 If vehicle interior shutoff valve was actuated separately with 12 V.
		 Electrical connection kit	*220589059900
18	Remove respective air conditioning service unit.
19	Attach cover caps to high-pressure line test and filler connection (1) and to low-pressure line test and filler connection (2).
	Install
20	Install respective air filter housing.	Model 907 with engine 274, 642, 651 Model 910 with engine 651
		Model 907 with engine 274	AR09.10-S-1150EG
		Model 907 with engine 651	AR09.10-D-1150TS
		Model 907 with engine 642	AR09.10-D-1150TSV
		Model 910 with engine 651	AR09.10-D-1150TSF
	Check
 Warning	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
21.1	Run engine for approx. 4 min at idle speed and check all systems relevant for the proper operation of the air conditioning system.	Model 907 Model 910 with engine 651
21.2	Check function of air conditioning system or cooling system for high-voltage on-board electrical system using diagnostic system.	Model 910 with engine 780.703
	Connect/disconnect diagnostic unit		AD00.00-D-2000-06TS
22	Disconnect charger.	Model 910 with engine 780.703	AR54.10-D-1127TS