Nilfisk-Advance C 120.4, Руководство по ремонту

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E
Operation guide.
1. The none return valve (A) is closed by the pressure in the hose system.
2. The s/s spring is pressed at max position, the Activation arm (E) moves
back , presses the Micro switch (F) at “switch off” position (means that the
motor (G) is stopped).
3. The pressure in pump drop over a leak in the easy start valve, The easy
start spring presses the ball valve (C) up against the upper seat, pressure in
the cylinder head close to the inlet pressure.
4. the handle (H) is released, and no water flow from the nozzle
Water flows:
None
2.5 Handle release