Remove/install desiccant cartridge

AR83.30-P-6521VT

Remove/install desiccant cartridge

15.11.11

 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 drained.

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 R134a refrigerant

Air conditioning with refrigerant R134a

AH83.30-N-0003-01A

 Danger!

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

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

AS00.00-Z-0010-01A

1

Raise vehicle

AR00.60-P-1000V

 Danger!

Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, liftgates or sliding roof

Keep body parts and limbs well clear of moving parts.

AS00.00-Z-0011-01A

2

Open engine hood and raise to vertical position

AR88.40-P-1000V

3

Drain air conditioning system

 Installation: Evacuate, refill and check air conditioner for leaks and proper operation.

AR83.30-P-1760V

 Refrigerant

*BF83.00-P-1001-01A

Air conditioning draining, evacuating and charging equipment for refrigerant R134a

Air conditioner service unit R134a

gotis://E_83_05.0

4

Unclip front grill (2) from front bumper (1)

 The outside temperature indicator temperature sensor (B14) is integrated into the front grille.

5

Detach electrical connector from outside temperature indicator temperature sensor (B14)

6

Remove bolt (5)



*BA83.30-P-1016-01D

7

Remove mounting plate (4)

8

Remove bolts (6)



*BA83.30-P-1015-01D

9

Detach desiccant cartridge (3) to the side of the refrigerant lines and remove

 The openings of the refrigerant lines must be sealed, otherwise ingressing dirt and moisture damages the components which are connected to the refrigerant circuit.

 Installation: Install new sealing rings. Coat thread and sealing rings with compressor oil.

 Set of stop plugs

*129589009100

10

Install in the reverse order

Number

Designation

Model
171.473

BA83.30-P-1015-01D

Bolt, drier to condenser

Nm

5

BA83.30-P-1016-01D

Bolt, fastening plate to drier

Nm

11

Number

Designation

Model
171 with engine 113

BF83.00-P-1001-01A

Capacity
air conditioning system/automatic air conditioning

Refrigerant R12

g

-

Refrigerant R134 a

g

670

Specifications for Operating Fluids

Sheet

BB00.40-P-0361-00A