Replacement Of Control Unit; Replacement Of Temperature Limiter - Webasto Air Top 2000 S D Service And Repair Manual

Air Top 2000 S

9.2.2 Replacement of Control Unit

9.2.2.1 Removal
During removal avoid the build-up of static charge (i.e.
do not touch strip conductors).
1. Remove heater from vehicle (see 8.7.1.1).
2. Remove covers for heating air inlet and outlet
(6 and 3, Fig. 901) according to 9.2.1.3.
3. Remove upper housing shell according to 9.2.1.4.
4. Disconnect terminal connections (1, Fig. 902).
5. Remove screws (3) and remove control unit (2)
with bracket (6).
6. Remove screw (7) to separate control unit (2)
from bracket (6) if necessary.
7. Perform work on components after disassembly
(see 9.1.1).
9.2.2.2 Installation
During installation avoid the build-up of static charge (i.e.
do not touch strip conductors).
1. Place control unit (2, Fig. 902) in position on
bracket (6) and secure with screw (7).
2. Place control unit (2) with bracket (6) in installation
position and secure with screws (3).
Torque screws to 0.7 ± 0.07 Nm.
3. Connect plug connections to terminal (Fig. 701).
4. Install upper housing shell and fix in position.
5. Slide on covers for heating air inlet and outlet and fix
in position.
6. Install heater (see 8.7.1.2).
7. Check CO setting and if necessary, adjust (see 6.2)
2
NOTE

9.2.3 Replacement of Temperature Limiter

9.2.3.1 Removal
1. Remove heater from vehicle (see 8.7.1.1).
2. Remove covers for heating air inlet and outlet
(6 and 3, Fig. 901) according to 9.2.1.3.
3. Remove upper housing shell according to 9.2.1.4.
4. Disconnect plug connection (blue) from terminal.
5. Remove screws (4, Fig. 902).
6. Remove temperature limiter (5).
7. Perform work on components after disassembly
(see 9.1.1).
9.2.3.2 Installation
1. Place temperature limiter (5, Fig. 902) into
installation position and secure with screws (4).
Ensure limiter is properly seated.
2. Torque screws to 1.5 ± 0.15 Nm.
3. Connect plug connections (blue) to terminal.
4. Install on upper housing shell and fix in position.
5. Slide on covers for heating air inlet and outlet and fix
in position.
6. Install heater (see 8.7.1.2).
9 Repair
903