Operation
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Flush/drain
7.8 Flush/drain
A thorough flushing with seawater or dirty water is to be carried out after
each operation.
If seawater or dirty water was sucked up with the priming pump, it is import-
ant to rinse with clean water to prevent damage to the piston.
After rinsing, the entire portable fire pump must be drained.
► Put the portable fire pump into operation and run at idle speed.
See "Starting the engine".
► Feed pump with clean water or suck water from a clean water source.
► Press the priming pump function switch (S3) for approx. 10 seconds .
► Fully open the pressure valve(s) (J10) and rinse until clean water
comes out.
► After completion of the rinsing process, drain the priming pump dry.
► Actuate the priming pump function switch (S3) for one second.
The priming pump is sucked dry.
Drain the screw-down valves
Additionally, open the valves via the spindle limit (80).
► Pull spindle limit (80) and open valves to the stopper.
The valves are fully open.
The water held inside is automatically expelled.
► Re-close the valves.
The screw-down valves are drained.
When shutting down the portable fire pump after use, open the screw-down
valves half a revolution in order to relieve the seals.
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