Inspection And Maintenance Plan - Güde HWW 1000 VF Mode D'emploi

HWW 1000 VF

Inspection and maintenance plan

Time interval Description
As needed Clean the check valve and the prefi lter.
monthly Check the air pressure in the boiler
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.
Prefi lter clogged
Thermal detector swit- Pump is overheated and switched off by
ching the pump off the thermal overloading protection.
No electric power supply.
4
Impurity particles (e.g. pebbles) have
settled down in the suction hole.
Insuffi cient amount of Too high suction head.
water pumped Strainer of the check valve dirty
clogged pre-fi lter
Reduced switching Air pressure in the receiver too low
intervals
Any other details
Check the check valve function.
When electric consumers open correct to
1,5 - 1,8 bar
8
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"!
Clean the prefi lter.
10
Let the device getting cool!
Check power supply.
Disassemble and clean the suction
hose, prevent from suction of foreign
substances.
Check the suction head.
Clean the strainer., Position the check valve
lower.
Clean the prefi lter 10
10
Clean the pump and replace worn parts.
(qualifi ed workshop)
Control air pressure.
11
ENGLISH
19