Annovi Reverberi AR RR 14.25H N DX (1450 об/мин) [40/100] Troubleshooting

English Use and Installation

TROUBLESHOOTING

Problem Cause Remedy

Pump noisy

Air being sucked into system Restore the tightness of the

intake pipeline connections

Intake and/or delivery valve

springs broken or collapsed

Replace the valves (1)

Valves blocked by dirt Clean the valves (1)

Worn bearings Replace the bearings(1)

Intake liquid temperature too

high

Reduce liquid temperature

Pump overheating

High pump operating pressure Reduce the pressure to the rated

values

Drive belts too taut Restore correct belt tension

Pulley or drive coupling

alignment poor

Restore the correct alignment

Water in oil

Guide piston gaskets worn Replace the gaskets(1)

High humidity percentage in air Change the oil twice as often

(than stated in "Routine

Maintenance" table)

Worn gaskets Replace the gaskets(1)

Oil leaks from dump lines

underneath the pump

Worn gaskets Replace the gaskets(1)

Worn pistons Replace the pistons(1)

Oil leaks from dump lines

underneath the pump

Guide piston gaskets worn Replace the gaskets(1)

(1) Operations which must be carried out at an authorised service centre.