Problems And Their Solutions - Rosenbauer FOX Betriebsanleitung

FOX
© 1996

Problems and their Solutions

Propulsion problems:
Pump problems:
FAILURE
Pump does
not operate
Poor priming
performance
Pump is noisy
and vibrates
Poor pump
performance
ATTENTION !
If any assistance is necessary do not hesitate to call your next "Rosenbauer" representive or contact the
"Rosenbauer" Service Department.
please refer to manufacturers manual
please refer to the list below; this list is not a complete list,
but it may help to locate the source of the problem
PROBABLE CAUSE
- Pump not engaged
- Priming pump disengaged
- Suction lift too high
- Suction strainer not under water
- Suction strainer obstructed
- Suction hose defective or gasket
not installed properly or
damaged
- Suction screen obstructed
- Drain valve not closed
- Discharge valve leaks due to
impurity or gasket damage
- V-belt oily or turned-off
- Inlet- and/or outlet valves of the
priming pump are damaged
- Priming valve is jammed
in close position
- Suction lift too high
- Pump cavitates
- Suction strainer is obstructed
- Suction hose defective,
gaskets not properly installed
or damaged
- Suction screen obstructed
- Engine does not perform
- Discharge valves not fully opened
Seite / Page - 47 -
15.03.1996 / PT / Rev.02
Trouble Shooting
CORRECTIVE ACTION
Engage pump
Engage priming pump
Reduce suction lift
Place suction strainer under water
Clean suction strainer
Change suction hose,
install gaskets properly or
change them
Clean suction screen
Close drain valve
Clean discharge valve
(rinse with clean water) or
change gasket
Clean resp. change the V-belt
Change inlet- and/or outlet
valves
Repair priming valve
Reduce suction lift
Reduce engine speed and nozzle
diameter, clean suction strainer
and suction screen
Clean suction strainer
Change suction hose,
install gaskets properly
or change them
Clean suction screen
Check engine
Open discharge valve
Fehlersuche