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Trouble
Pump fails to reach the
required pressure
Excessive pump pressure
No flow of cleansing
agents
Rated temperature
can not be reached
- 17 -
Possible Cause
Defective pump sleeves
Defective pump valves
Worn out spray nozzle
Wrong spray nozzle
Water filter contaminated
Lack of water
Nozzle blocked
Wrong spray nozzle
Cleansing agent filter
on suction hose empty or
suction filter on suction hose is
not below the liquid level
Suction filter on cleansing agent
hose contaminated
Regulating thermostat
has been adjusted too low
Tabular radiator defective
What to do about it
Have sleeves replaced
Have valves replaced
Have nozzle replaced
Mount correct nozzle
Have filter cleaned
Provide required supply flow
pressure
Remove and clean nozzle,
flush spray lance without nozzle
Mount correct nozzle
Fill up cleansing agent or
dip suction filter deeper in
cleansing agent tank.
Clean filter
Increase temperature
Localize defective tabular
radiator and have it replaced
by an expert
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