Annovi Reverberi HSHP, Инструкция по эксплуатации

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English Use and Installation
48
8 TROUBLESHOOTING
(1) Operations which must be carried out at an authorised service centre
Problem Likely cause Remedy
Noisy pump
The pump takes in air
Restore the seal of the intake line
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 the temperature of the liquid
Pump overheating High pump operating pressure High pump operating pressure
Water in the oil
Worn guide piston oil gaskets Replace the gaskets (1)
High percent humidity in the air
Change the oil twice as often (with
respect to that stated in the “Routine
Maintenance“ table)
Worn gaskets Replace the gaskets (1)
Liquid is leaking from the drain lines
underneath the pump
Worn gaskets Replace the gaskets (1)
Worn pistons Replace the pistons (1)
Oil is leaking from the drain lines
underneath the pump
Worn guide piston oil gaskets Replace the gaskets (1)