Inspection And Maintenance Plan - Gude HWW 2100 G Originalbetriebsanleitung

Inspection and maintenance plan

Time interval Description
As needed Clean the check valve and the prefilter.
Failures – causes - removal
Failures Causes
Engine does not start No power supply.
Blocked pump wheel
Pump does not suck Missing, loose or blocked check valve
Check valve is not in water.
Pump without water
Too high suction head.
Air bubbles in the suction pipeline.
Connections not sealed, pump sucks air,
pump is not deaerated.
Insufficient amount of Too high suction head.
water pumped Water level quickly drops down
Reduced switching Air pressure in the receiver too low
intervals
Any other details
Check the check valve function.
Removal
Turn the engine shaft with screwdri-
ver through the fan cover (to release
friction circles sealing that may be stuck
together).
Fix or clean the check valve.
Immerse the check valve into water.
Fill the pump shell with water.
Check the suction head.
Check the tighten of suction pipeline.
Carefully repeat connection according to
the chapter „Connection"!
Check the suction head.
Clean the strainer., Position the check valve
lower.
Clean the pump and replace worn parts.
(qualified workshop)
Control air pressure.
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ENGLISH
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