Checklist for maintenance
b1 Take the pump regularly out of the water, clean the piston and the inner tube
b2 When appropriate, change the piston and the main spring.
b3 Dismantle the water pipe and let the pump run for several hours in clean water
b4 Check the firmness of the solar modules and clean them.
b5 Check the isolation of all electrical cabels
b6 Before the pump is put in storage, it should first run dry for some hours(not in water),
b7 Remove the piston and the main spring in order to oil it. Then run dry again for some minutes.
b8 Store the pump in a dry place.
Checklist for installation --------------- Checklist for repair