Remove/install the air conditioning's evaporator unit (roof equipment)

AR83.50-D-5040B

Remove/install the air conditioning's evaporator unit (roof equipment)

26.06.2017

Model

906.6/7

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

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

except code HK4 (Rear air conditioning, reinforced)

Modification notes

07.06.2017

Content and presentation updated

Operation steps 1 to 18

1

Evaporator unit

23

Screw

33

Screw

9

Drain hose

24

Screw

34

Screw

10

Drain hose

25

Screw

35

Screw

11

Retaining clips

26

Screw

36

Screw

12

Electrical connection

27

Screw

37

Screw

13

Installation frame

28

Screw

38

Screw

19

Screw

29

Screw

39

Screw

20

Screw

30

Screw

40

Screw

21

Screw

31

Screw

22

Screw

32

Screw

8

Expansion valve

14

Refrigerant lines

15

Nuts

16

Seal

18

Bar (end stop)

17

Bar (end stop)

 Danger

Risk of death caused by falling from vehicle roof. Risk of injury to other persons caused by falling objects during work in roof area.

AS65.00-Z-0002-01A

Topical note

Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S

Topical note

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

AH83.30-N-0005-01A



Remove

1

Drain air conditioning system

Model 906.6/7
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)

AR83.30-D-1760D

2

Remove center headliner

Model 906.6 with code V36 (Roof lining) except code P0E (Master Code Sprinter Tourer 16+1 Germany) except code P0F (Master Code Sprinter Tourer 19+1 Germany) except code P0G (Master Code Sprinter Tourer 16+1) except code P0H (Master Code Sprinter Tourer 19+1) except code PE4 (Master Code Bus DCAA Argen) except code PE5 (Master Code Bus Platform Seating Argen), model 906.7

AR68.30-D-7609B

3

Detach refrigerant lines (14) from expansion valve (8)


Close openings of expansion valve (8) and refrigerant lines (14).
To prevent dirt ingress and avoid failure/damage to the air conditioning system.

 To do this, remove nuts (15).

 Record plug

*129589009100

4

Remove drain hose (10) from evaporator unit (1)

 To do this, remove retaining clips (11) and remove drain hose (10) from evaporator unit (1).

5

Remove drain hose (9)

6

Disconnect electrical connection (12)

7

Remove the installation frame (13)

 To do this, unscrew screws (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40) starting with screw (40) and continuing in descending numerical order.

8

Remove evaporator unit (1)

 Aid of helper required.



Install

9

Replace seal (16)


Thoroughly clean and degrease sealing surfaces of evaporator unit (1) and roof paneling. Do not damage sealing surfaces. Do not use sharp-edged tools.
Otherwise water can penetrate into the vehicle interior.


Glue on seal (16); the seal may not be elongated or wrinkled, and the separation point must be outside the radii.
Otherwise water can penetrate into the vehicle interior.

10

Install evaporator unit (1)


Position evaporator unit (1) on the bars (17, 18) in direction of travel and toward right-hand side.
Otherwise water can penetrate into the vehicle interior.

 Aid of helper required.

11

Install the installation frame (13)


Observe tightening sequence.
Otherwise water can penetrate into the vehicle interior.

 To do this, tighten screws (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40) starting with screw (19) and continuing in ascending numerical order.

 Bolt, evaporator unit to roof

*BA83.30-N-1013-01F

12

Connect electrical connection (12)

 Replace cable tie.

13

Attach drain hose (9)

 Check drain hose (9) for damage.

Depending on findings



Replace damaged drain hose (9)

14

Mount drain hose (10) onto evaporator unit (1)

 Make sure that the retaining clips (11) are seated correctly.

 Check drain hose (10) and retaining clips (11) for damage.

Depending on findings



Replace damaged components.

15

Install refrigerant lines (14)



Compressor oils (specification 362.1)

BB00.40-P-0362-01A

 Installation:
Install new seals.
Otherwise the A/C system may malfunction.

 Remove stop plugs from expansion valve (8) and refrigerant lines (14).

 Screw in nuts (15) to do this.

 Coat sealing rings with compressor oil.

 Nut, refrigerant lines to expansion valve

*BA83.30-N-1001-01F

 Record plug

*129589009100

16

Replace the fluid reservoir

Model 906.6/7 with code XM0 (facelift) and code HH9 (semi-automatically controlled A/C system, TEMPMATIC) Model 906.6/7 with code XM5 (facelift Latin America) and code HH9 (semi-automatically controlled A/C system, TEMPMATIC)

AR83.30-D-6520M

Model 906.6/7 with code HH9 (semi-automatically controlled A/C system, TEMPMATIC) except code XM0 (facelift) except code XM5 (facelift Latin America)

AR83.30-D-6520C

 Replace the fluid reservoir after work on the opened refrigerant circuit.

17

Evacuate air conditioning system, charge it, and then check system to make sure that it functions correctly and does not leak

Model 906.6/7
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)

AR83.30-D-1760D

18

Install center headliner

Model 906.6 with code V36 (Roof lining) except code P0E (Master Code Sprinter Tourer 16+1 Germany) except code P0F (Master Code Sprinter Tourer 19+1 Germany) except code P0G (Master Code Sprinter Tourer 16+1) except code P0H (Master Code Sprinter Tourer 19+1) except code PE4 (Master Code Bus DCAA Argen) except code PE5 (Master Code Bus Platform Seating Argen), model 906.7

AR68.30-D-7609B

 Air conditioning

Number

Designation

Model 906.6/7 with code HH7

BA83.30-N-1001-01F

Nut, refrigerant lines to expansion valve

Nm

6

 Air conditioning

Number

Designation

Model 906.6/7 with code HH7

BA83.30-N-1013-01F

Bolt, evaporator unit to roof

Nm

4