Technical data

9 Repair
Thermo Top Z/C
902
Fig. 901 Replacement of Circulation Pump (Thermo Top C)
9.2 Disassembly and Assembly
9.2.1 Circulation Pump, Replacement
(Thermo Top C)
9.2.1.1 Removal
1. Remove cover (4, Fig. 901) and disconnect electrical
connector of circulation pump.
2. Loosen spring band steel clamp (5, Fig. 901).
3. Remove screw (7) and clamp (2).
4. Withdraw circulation pump (6) and remove spring
band steel clamp (5).
5. Withdraw collar (1) as required.
6. Perform procedures on components after
disassembly (refer to 9.1.1).
9.2.1.2 Installation
1. Slide spring band steel clamp (5, Fig. 901) onto hose
end.
2. Position collar (1) on circulation pump (6) as required.
3. Locate circulation pump (6) for installation and secure
with clamp (2) and screw (7) on combustion air fan (3).
4. Position spring band steel clamp (5).
5. Torque screw (7) with 3.5 ± 0.3 Nm.
6. Connect circulation pump electrical connection and fit
cover (4).
NOTE
Circulation pump may also be
mounted externally in vehicle.
1
Collar
2
Clamp
3
Combustion air fan
4
Cover
5
Spring band steel clamp
6
Circulation pump
7
Screw
Torque 3.5 Nm
4
3
2
1
5
6
7
1
1