Webasto Thermo Top Z Shop Manual page 43

Thermo Top E and Z/C
9.2.3 Burner Insert with Glow Plug /
Flame Sensor, Replacement
CAUTION
In case of Thermo Top E and C the circulation pump must
be removed first (see 9.2.1.1).
9.2.3.1 Removal
1. Remove combustion air fan (see 9.2.2.1).
2. Push grommet of cable of glow plug / flame sensor
(8, Fig. 902) out of burner housing (5).
3. Remove screws (10).
4. Withdraw burner insert (3) with glow plug / flame
sensor (8) from burner housing (5).
5. Remove gasket (4) and discard.
6. Perform procedures on components after
disassembly (refer to 9.1.1).
9.2.3.2 Installation
1. Position new gasket (4) on burner housing (5).
2. Position burner insert (3) for assembly and secure
with screws (10). Torque tighten screws to
4 ± 0.4 Nm.
3. Press grommet of glow plug / flame sensor cable into
burner housing (5).
4. Install combustion air fan (see 9.2.2.2).
5. Install circulation pump as required (see 9.2.1.2).
Visit www.butlertechnik.com for more technical information and downloads.
www.butlertechnik.com
9.2.4 Control Unit / Heat Exchanger with Burner
Housing, Replacement
CAUTION
In case of Thermo Top E and C the circulation pump must
be removed first (see 9.2.1.1).
9.2.4.1 Removal
1. Remove combustion air fan (see 9.2.2.1).
2. Push grommet of cable of glow plug / flame sensor
(8, Fig. 902) out of burner housing (5).
3. Remove screws (10).
4. Withdraw burner insert (3) with glow plug / flame
sensor (8) from burner housing (5) and remove.
5. Remove gasket (4) and discard.
6. Perform procedures on components after
disassembly (refer to 9.1.1).
9.2.4.2 Installation
1. Position new gasket (4, Fig. 902) on burner housing
(5).
2. Position burner insert (3) for assembly and secure
with screws (10). Torque tighten screws to
4 ± 0.4 Nm.
3. Press grommet of glow plug / flame sensor cable into
burner housing (5).
4. Install combustion air fan (see 9.2.2.2).
5. Install circulation pump as required (see 9.2.1.2).
9 Repair
905