Cleaning the evaporator

AR83.30-D-5555TS

Cleaning the evaporator

20.12.2018

Model

907, 910

Shown on model 910

1

Evaporator

3.1

Cleaning probe

2

Pressure-feed spray gun

4

Air duct

3

Guide pulley

Shown on model 910

2

Pressure-feed spray gun

5

Drain hose

Topical note

Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S



Remove

1

Set air distribution to center and side air vents.

2

Close center and side air vents.

3

Switch off blower and air conditioning system.

4

Switch off ignition and store transmitter key outside of transmission range (min. 2  m).

5

Remove dust filter.



Model 907, 910
with code H81 (Ventilating equipment with filter)
Model 907, 910
with code HH4 (THERMOTRONIC automatic climate control)
Model 907, 910
with code HH9 (Air conditioner, automatic heater control)

AP83.00-D-8381TS

6

Remove trim at bottom for center instrument panel.

Model 907

AR68.10-D-1498TSR

Model 910

AR68.10-D-1498TSF

7

Release drain hose (5) from floor panel and route into a suitable collecting pan.


Make sure that the drain hose (5) is routed without kinks into the collecting pan.
Otherwise, the cleaning agent cannot drain off smoothly.



Clean

8

Insert cleaning probe (3.1), as shown, into air duct (4).


Handle cleaning probe (3.1) carefully and do not insert too far.
Otherwise, the evaporator (1) may be damaged by the cleaning probe (3.1).

 The finger rest of the guide pulley (3) must face forwards.

Pressure-feed spray gun with 2 cleaning probes (short and long) for A/C systems

*BR00.45-Z-1081-04A

Cleaner for A/C system

*BR00.45-Z-1084-04A

9

Cover up air duct (4) using suitable dry cloths.

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

10

Fully press trigger of pressure-feed spray gun (2) for approx. 2 s.

11

Check drain hose (5) for blockage.

If the cleaner does flow smoothly out of the drain hose (5),



clean drain hose (5) or check it is routed without any kinks.

12

Fully press trigger of pressure-feed spray gun (2) and spray evaporator (1) through continuous turning and swiveling movements of cleaning probe (3.1).

 Use the entire contents of the pressure-feed spray gun (2).

13

Allow cleaner to act for at least 30 min.


Do not rinse with water or other fluids.
Otherwise, the antibacterial effect of the cleaner will be lost.

14

Fully press trigger of pressure-feed spray gun (2) and blow out all slats of evaporator (1) for at least 2 minutes with compressed air.

15

Remove dry cloth from air duct (4).

16

Pull cleaning probe (3.1) out of air duct (4).

17

Remove collecting pan, if cleaner no longer drips out.



Install

18

Fasten drain hose (5) to floor panel.


Make sure that the drain hose (5) is correctly seated on the floor panel.
Otherwise, water may enter the vehicle interior.

19

Install bottom trim for instrument panel center.

Model 907

AR68.10-D-1498TSR

Model 910

AR68.10-D-1498TSF

20

Install a new dust filter.



Model 907, 910
with code H81 (Ventilating equipment with filter)
Model 907, 910
with code HH4 (THERMOTRONIC automatic climate control)
Model 907, 910
with code HH9 (Air conditioner, automatic heater control)

AP83.00-D-8381TS

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

21

Open all the vehicle doors.

22

Open center and side air vents.

23

Start engine and switch on air conditioning system.

24

Set air distribution to defroster and footwell vents.

25

Set highest blower setting.

26

Turn temperature control of air conditioning system to center position and allow air conditioning system to dry for 20 min.

27

Switch off blower of air conditioning system.

28

Switch off the air conditioning.

29

Switch off engine.

30

Close all vehicle doors.

Repair materials

Number

Designation

Order number

BR00.45-Z-1081-04A

Pressure-feed spray gun with 2 cleaning probes (short and long) for A/C systems

A 000 581 00 04

BR00.45-Z-1084-04A

Cleaner for A/C system

A 000 989 46 00 09