Remove/install refrigerant compressor

AR83.55-P-5300RT

Remove/install refrigerant compressor

26.7.07

 

Remove/install

 Danger!

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.

AS00.00-Z-0010-01A

 Danger!

Risk of explosion caused by welding or soldering work on closed air conditioning system. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with liquid refrigerant.

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 areas. Carry out repair work on the air conditioning system circuit only after the system has been discharged.

AS83.00-Z-0001-01A



Procedure for a damaged or leaky air conditioning system

All models

AH83.30-N-0004-01A



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

All models with air conditioning

AH83.30-N-0005-01A



Notes on handling refrigerant R134a

Air conditioning with refrigerant R134a

AH83.30-N-0003-01A

1

Discharge air conditioning system

AR83.30-P-1760RT

2

Remove partition wall between wheelhouses

Engine 642.950

AR62.30-P-2400RT

3

Remove engine trim panel

Engine 642.950

4

Detach air intake hose (1)

 Only on left side.

5

Remove poly-V belt

Engine 113.971

AR13.22-P-1202RT

Engine 272.967

AR13.20-P-0001GZA

Engine 156.980

AR13.22-P-1202GZS

Engine 642.950

AR13.20-P-0001GZB

6

Disconnect refrigerant compressor connector (A9x1)

7

Unscrew bolt (2)



*BA83.55-P-1003-01S

8

Remove refrigerant pressure line (3) and place out of working area

 Installation: Replace sealing rings of refrigerant pressure line (3) and moisten with compressor oil.

9

Unscrew bolt (4)



*BA83.55-P-1003-01S

10

Detach refrigerant suction line (5) and place out of working area

 Installation: Replace sealing rings of refrigerant suction line (5) and moisten with compressor oil.

11

Seal openings of refrigerant pressure line (3) and refrigerant suction line (5) using suitable plugs and stop plugs

 The openings of the refrigerant pressure line (3) and refrigerant suction line (5) must be sealed, as otherwise any penetrating dirt and moisture can damage components connected to the refrigerant circuit.

12.1

Detach lower engine compartment paneling

Motor 113.971, 272.967, 156.980

AR61.20-P-1105RT

12.2

Remove bottom section of soundproofing

Engine 642.950

AR94.30-P-5300RT

13

Remove bolts (6)



*BA83.55-P-1001-01S

14

Remove refrigerant compressor (A9)

 Remove refrigerant compressor (A9) downwards Place refrigerant pressure line (3) and refrigerant suction line (5) to one side.

15

Install in the reverse order

16

Refill air conditioning system and inspect for leaks and proper operation.

AR83.30-P-1760RT

17

Perform a function test

Number

Designation

Model 251

BA83.55-P-1001-01S

Bolt, refrigerant compressor to timing case and left engine support

Nm

20

BA83.55-P-1003-01S

Bolt, refrigerant lines to refrigerant compressor

Nm

20