Cleaning the evaporator

AR83.30-D-5555C

Cleaning the evaporator

25.07.2017

Model

906

with code HH9 (Air conditioner, automatic heater control)

1

Receptacle

2

Condensation drain

3

Cleaning probe

5

Guide pulley

4

Air duct

6

Pressure-feed spray gun

Topical note

Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S



Remove

1

Set the air distribution to central and lateral nozzles

2

Close the central and lateral nozzles

3

Switch off the blower and the air conditioning

4

Switch off ignition

5

Remove the blower regulator

Type 906.1/2/6/7

AR83.10-D-1200A

6

Remove the interior compartment filter



Model 906 with code H81 (ventilation system with filter)

AP83.00-D-8384H



Clean

7

Place a suitable receptacle (1) under the condensation drain (2)

8

Introduce the cleaning probe (3) into the opening at the air duct (4) intended for the blower regulator until the output openings (area A) are in front of the evaporator


Handle the cleaning probe (3) with care.
Otherwise the evaporator may be damaged.

 The finger support of the guide pulley (5) must point towards the front.

Cleaner for A/C system

*BR00.45-Z-1084-04A

Pressure-feed spray gun

*BR00.45-Z-1088-04A

Cleaning probe for A/C systems in ATEGO, AXOR

*BR00.45-Z-1082-04A

9

Cover the air duct (4) with an absorbent rag


The cleaner must not penetrate the air duct (4) or the air vents in the vehicle interior.
Otherwise soiling and damage can occur.

10

Fully press the trigger of the pressure-feed spray gun (6) and rinse the evaporator fins for approximately 2 s using cleaner

11

Check the condensation drain (2) for blockage

If the cleaner does not run smoothly from the condensation drain (2).



Clean the condensation drain (2).

12

Fully press the trigger of the pressure-feed spray gun (6) and rinse all evaporator fins using cleaner

 Use the entire pressure-feed spray gun (6) content.

13

Allow the cleaner to unfold its effect for a minimum of 30 min


Do not rinse with water or other fluids.
Otherwise the antiseptic effect of the cleaner will be rendered void.

14

Fully press the trigger of the pressure-feed spray gun (6) and blow out all evaporator fins for approximately 2 s using compressed air

15

Remove the rags from the air duct (4)

16

Pull out the cleaning probe (3) from the air duct (4)

17

Correctly dispose of the receptacle (1) as per environmental regulations



Install

18

Install new interior compartment filter



Model 906 with code H81 (ventilation system with filter)

AP83.00-D-8384H

19

Install blower regulator

Model 906

AR83.10-D-1200A

Drying

 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

20

Open all vehicle doors

21

Open the central and lateral nozzles

22

Start engine

23

Switch on air conditioning

24

Set the air distribution to defrosting and footwell nozzles

25

Set the highest blower stage

26

Turn the air conditioning temperature control to center position and allow the air conditioning to dry for 20 min

27

Turn off engine

28

Close all vehicle doors

Repair materials

Number

Designation

Order number

BR00.45-Z-1082-04A

Cleaning probe for A/C systems in ATEGO, AXOR

A 000 581 02 05

BR00.45-Z-1084-04A

Cleaner for A/C system

A 000 989 46 00 09

BR00.45-Z-1088-04A

Pressure-feed spray gun

A 000 581 02 04