Technical Information
107
G 1xxx/G 2xxx
Important!
During reassembly of the circulation pump ensure:
1. A new sealing ring is installed
2. The sealing ring is seated correctly in the pump housing cap
3. The pump housing cap is evenly seated
4. The cap retaining screws are secure
5. The fastening clips are pressed over the retaining lugs
Warning!
When re-installing, it must be ensured that the correct retaining screw is
used for the motor holder as otherwise the PCB could be damaged.
Warning!
Check seal placement for leakage issues, if needed.
4.14 Removing the Circulation Pump Housing Cap (with Ring Heater)
Warning!
In the open motor housing, there is an electronic module circuit board (PCB)
which must be protected from moisture and water ingress in order to avoid
short circuits.
1. Remove the circulation pump; see Section 050-4.13.
2. Remove the retaining screws (see Figure 050-21, Item 8).
3. Push the retaining clips upwards (see Figure 050-21, Item 7).
4. Lightly twist the cap and pull it away from the housing to remove.
Figure 050-21: Screws and Clips Securing the Pump Housing Cap
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