Annovi Reverberi XT Serie Notice D'utilisation Et Installation page 40

Problem
Pump noisy
Pump overheating
Water in oil
Oil leaks from dump lines
underneath the pump
Oil leaks from dump lines
underneath the pump
(1) Operations which must be carried out at an authorised service centre
English
TROUBLESHOOTING
Cause
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
High pump operating pressure
Drive belts too taut
Pulley or drive coupling
alignment poor
Guide piston gaskets worn
High humidity percentage in air
Worn gaskets
Worn gaskets
Worn pistons
Guide piston gaskets worn
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Remedy
Restore the tightness of the
intake pipeline connections
Replace the valves (1)
Clean the valves (1)
Replace the bearings(1)
Reduce liquid temperature
Reduce the pressure to the rated
values
Restore correct belt tension
Restore the correct alignment
Replace the gaskets(1)
Change the oil twice as often
(than stated in "Routine
Maintenance" table)
Replace the gaskets(1)
Replace the gaskets(1)
Replace the pistons(1)
Replace the gaskets(1)
Use and Installation
8