Problems And Their Solutions - Rosenbauer R 120 Betriebsanleitung

Feuerlöschpumpe R 120
Fire Pump R 120

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 contol out of order
- 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
- Drafting valve closed
- Drain valve not closed
- Discharge valve leaks due to
impurity or gasket damage
- Sieve in priming pipe
pluged
- Valve plates of the priming pump
are damaged
- 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
© 2000
Seite / Page - 64 -
3.01.2000 / PT / Rev. 00
Trouble Shooting
CORRECTIVE ACTION
Engage pump
Engage prim. pump via emergency contr.
Reduce suction lift
Place suction strainer under water
Clean suction strainer
Change suction hose;
install gaskets properly or
change them
Clean suction screen
Open drafting valve
Close drain valve
Clean discharge valve
(rinse with clean water) or
change gasket
Clean sieve in
priming pipe
Change valve plates
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