Remove/Install Refrigerant Compressor - Ar83.55-D-5300WE

MODEL 906.6 with ENGINE 651 with CODE H08 (High-performance air conditioning) 2nd refrigerant compressor 

MODEL 906.6/7 with ENGINE 642 with CODE H08 (High-performance air conditioning) 2nd refrigerant compressor 

MODEL 906.633 up to 4/13/14 with ENGINE 651.956 with CODE HK4 (Rear air conditioning, reinforced) with CODE IR4 (Wheelbase 3665 mm) with CODE ZL3 (National version for Latin America) 2nd refrigerant compressor 

MODEL 906.633 with ENGINE 651.956 with CODE HK4 (Rear air conditioning, reinforced) with CODE ZL3 (National version for Latin America) without CODE IR4 (Wheelbase 3665 mm) 2nd refrigerant compressor 

MODEL 906.633/655/657 up to 4/13/14 with ENGINE 651.955 with CODE HK4 (Rear air conditioning, reinforced) with CODE IR4 (Wheelbase 3665 mm) with CODE ZL3 (National version for Latin America) 2nd refrigerant compressor 

MODEL 906.633/655/657 with ENGINE 651.955 with CODE HK4 (Rear air conditioning, reinforced) with CODE ZL3 (National version for Latin America) without CODE IR4 (Wheelbase 3665 mm) 2nd refrigerant compressor 

Shown on engine 651 

Courtesy of MERCEDES-BENZ USA

	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	Remove/install
1	Turn transmitter key in electronic ignition lock control unit to position "0"
2	Drain air conditioning system	With CODE H08 (High-performance air conditioning)	AR83.30-D-1760D
		With CODE HK4 (Rear A/C, enhanced) Evacuate air conditioning system, charge it and then check system for proper operation and for leaks.	AR83.30-D-1760WE
3	Lift/jack up vehicle		AR00.60-D-1000H
4	Disconnect electrical connector (5) at 2nd refrigerant compressor (A9/7)
5	Remove refrigerant lines (3, 4) from 2nd refrigerant compressor (A9/7)
	Compressor oils (specification 362.0)		BB00.40-P-0362-00A
		Install refrigerant lines with new sealing rings. Coat sealing rings with compressor oil.
		MODEL 906 with CODE H08 or HK4	*BA83.30-N-1010-01F
6	Close off openings of refrigerant lines (3, 4) and of 2nd refrigerant compressor (A9/7) with stop plugs	Record plug	Fig 1
7	Remove V-belt (1) of 2nd refrigerant compressor (A9/7)	ENGINE 642	AR13.21-D-0160SF
		ENGINE 651	AR13.21-D-0160WE
8	Remove screws/bolts (2) and remove 2nd refrigerant compressor (A9/7)
	Compressor oils (specification 362.0)		BB00.40-P-0362-00A
		Determine amount of compressor oil remaining in 2nd refrigerant compressor (A9/7). Add same amount of new compressor oil when filling air conditioning of refrigerant circuit.
		MODEL 906 with CODE H08 or HK4	*BA83.30-N-1018-01F
9	Install in the reverse order

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

Courtesy of MERCEDES-BENZ USA