Remove/install refrigerant compressor

AR83.55-D-5300US

Remove/install refrigerant compressor

11.04.2017

Model

900

with code HH9 (Air conditioner, automatic heater control)

except code HK4 (Rear air conditioning, reinforced)

Model

906 with engine 272.979, 642, 651

with code HH7 (Roof-mounted air conditioning system, basic)

with code HH9 (Air conditioner, automatic heater control)

except code H08 (Roof-mounted air conditioning system, reinforced)

except code HK4 (Rear air conditioning, reinforced)

Model

906 with engine 272.979, 642, 651

with code HH9 (Air conditioner, automatic heater control)

except code H08 (Roof-mounted air conditioning system, reinforced)

except code HH7 (Roof-mounted air conditioning system, basic)

except code HK4 (Rear air conditioning, reinforced)

Model

906.633 as of 4/14/14 with engine 651

with code HK4 (Rear air conditioning, reinforced)

with code ZL3 (National version for Latin America)

except code H08 (Roof-mounted air conditioning system, reinforced)

except code HH7 (Roof-mounted air conditioning system, basic)

Modification notes

23.11.2016

Compressor oil changed.

Operation step 6, 8

Shown on ENGINE 272.979

1

Poly-V-belt

4

Electrical connector

7

Screw

2

Bolts

5

Refrigerant line

8

Screw

3

Electrical line

6

Refrigerant line

A9

Refrigerant compressor

Topical note

Protect air conditioning circuit and components from moisture when carrying out repair work

AH83.30-N-0005-01A

 

Remove/install

1

Remove fluid reservoir

Model 906 with code XM0 (facelift) or with code XM5 (facelift for Latin America)

AR83.30-D-6520M

Model 900, model 906 except code XM0 (facelift) except code XM5 (facelift for Latin America)

AR83.30-D-6520C

 Warning

Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.

No parts of the body or limbs should be within the operating area of mechanical components when moving components.

AS00.00-Z-0009-01A

2

Slacken poly-V-belt (1) and remove from refrigerant compressor (A9)

Model 906 with engine 651, model 900

AR13.22-D-3902-05WE

Model 906 with engine 272

AR13.22-D-3902-05US

Model 906 with engine 642

AR13.22-D-3902-05SF



Pin for locking poly-V belt tensioning device

Model 906 with engine 642

WF58.50-S-1325-02S

 Installation: Make sure that the poly-V-belt (1) makes uniform contact with all the rollers.

3

Remove charge air line and hang up to one side

Model 906 with engine 642

Model 906 with engine 642.9

AR09.41-D-8623SD

Model 906 with engine 642.8

AR09.41-D-8623SG

4

Expose electrical line (3)

 Installation: Replace cable ties.

5

Disconnect electrical connection (4)

6

Unscrew screw (7) and remove refrigerant line (5) from refrigerant compressor (A9)



Compressor oils (specification 362.1)

BB00.40-P-0362-01A

 Installation: Replace sealing ring and moisten with compressor oil.

 Bolt, refrigerant line to refrigerant compressor

*BA83.30-N-1010-01F

7

Seal opening on refrigerant line (5) and refrigerant compressor (A9) using stop plugs

 Record plug

*129589009100

8

Unscrew screw (8) and remove refrigerant line (6) from refrigerant compressor (A9)



Compressor oils (specification 362.1)

BB00.40-P-0362-01A

 Installation: Replace sealing ring and moisten with compressor oil.

 Model 900, 906Bolt, refrigerant line to refrigerant compressor

*BA83.30-N-1010-01F

9

Seal opening on refrigerant line (6) and refrigerant compressor (A9) using stop plugs

 Record plug

*129589009100

10

Remove screws/bolts (2) and remove refrigerant compressor (A9)

 Model 900, 906Screw/bolt, refrigerant compressor to timing case cover and left engine support

*BA83.30-N-1012-01F

 Model 900, 906Screw/bolt, A/C compressor to crankcase

*BA83.30-N-1011-01F

11

Install in the reverse order

 Air conditioning

Number

Designation

Model 900 with code HH9

Model 906, 909 with code HH9

BA83.30-N-1010-01F

Bolt, refrigerant line to refrigerant compressor

Nm

22

22

 Air conditioning

Number

Designation

Model 906.6/7 with code HH7

Model 906 as of 14.04.14 up to 31.12.15 with code HK4+IR4+ZL3 (without condenser module on roof (KONVEKTA))

BA83.30-N-1010-01F

Bolt, refrigerant line to refrigerant compressor

Nm

22

22

 Air conditioning

Number

Designation

Model 906 as of 01.01.16 with code HK4+ZL3 except code IR4 (with condenser module on roof (MAHLE))

Model 906 as of 01.01.16 with code HK4+IR4+ZL3 (without condenser module on roof (MAHLE))

BA83.30-N-1010-01F

Bolt, refrigerant line to refrigerant compressor

Nm

22

22

 Air conditioning

Number

Designation

Model 900 with code HH9

Model 906, 909 with code HH9

BA83.30-N-1011-01F

Screw/bolt, A/C compressor to crankcase

Nm

20

20

 Air conditioning

Number

Designation

Model 906.6/7 with code HH7

Model 906 as of 14.04.14 up to 31.12.15 with code HK4+IR4+ZL3 (without condenser module on roof (KONVEKTA))

BA83.30-N-1011-01F

Screw/bolt, A/C compressor to crankcase

Nm

20

20

 Air conditioning

Number

Designation

Model 906 as of 01.01.16 with code HK4+IR4+ZL3 (without condenser module on roof (MAHLE))

BA83.30-N-1011-01F

Screw/bolt, A/C compressor to crankcase

Nm

20

 Air conditioning

Number

Designation

Model 900 with code HH9

Model 906, 909 with code HH9

BA83.30-N-1012-01F

Screw/bolt, refrigerant compressor to timing case cover and left engine support

Nm

20

20

 Air conditioning

Number

Designation

Model 906.6/7 with code HH7

Model 906 as of 14.04.14 up to 31.12.15 with code HK4+IR4+ZL3 (without condenser module on roof (KONVEKTA))

BA83.30-N-1012-01F

Screw/bolt, refrigerant compressor to timing case cover and left engine support

Nm

20

20

 Air conditioning

Number

Designation

Model 906 as of 01.01.16 with code HK4+IR4+ZL3 (without condenser module on roof (MAHLE))

BA83.30-N-1012-01F

Screw/bolt, refrigerant compressor to timing case cover and left engine support

Nm

20