Troubleshooting - Annovi Reverberi RTF 135.100 Betriebs Und Installationsanleitung

The information provided is intended to provide guidance on how to deal with malfunctions which may occur during
use.
Some of these procedures may be carried out by skilled staff, while others have to be performed at specialised service
centres since they require the use of specific equipment as well as detailed knowledge of repair operations.
Problem
Pump does not reach the specified
pressures
Irregular variations in pressure
Vibrations on pipes
Pressure drop
Pump noisy
(1) Operations which must be carried out at an authorised service centre
English language

TROUBLESHOOTING

Cause
Pump sucking air
Intake flow rate insufficient
Worn intake and delivery valves
By-pass valve seat worn
Worn gaskets
Unsuitable, worn nozzle
Worn intake and delivery valves
Valves blocked by dirt
Air being sucked into system
Worn gaskets
Valves jammed
By-pass valve malfunction
By-pass valve dump line too small
Pressure damper flat
Pump sucking air
Nozzle worn
Worn intake and/or delivery valves
Valves blocked by dirt
By-pass valve seat worn
Worn gaskets
Air being sucked into system
Intake and/or delivery valve springs
broken or collapsed
Valves blocked by dirt
Worn bearings
Intake liquid temperature too high
41
Remedy
Restore the tightness of the intake line
Increase the size of the intake pipelines
Remove any kinks from the pipes
Increase the filter capacity or clean the filter
cartridge
Increase the rpm to the rated speed
Replace the valves
(1)
Replace the valves
Replace the gaskets
(1)
Replace nozzle
Replace the valves
(1)
Clean the valves
(1)
Restore the tightness of the intake pipeline
connection
Replace the gaskets
(1)
Replace the valves
(1)
Replace the by-pass valve
Increase size of by-pass valve dump line
Restore pressure damper to correct inflation
pressure
Restore the tightness of the intake line
Replace nozzle
Replace the valves
(1)
Clean the valves
(1)
Replace the valve
Replace the gaskets )
(1)
Restore the tightness of the intake pipeline
connections
Replace the valves
(1)
Clean the valves
(1)
Replace the bearings
(1)
Reduce liquid temperature
8
Use and Installation