- 11 -
V. 2.0
7. ORDINARY MAINTENANCE INSTRUCTIONS
WARNING!
Before beginning any maintenance works or inspection of the pump, wash
it with pure water, stop the power take off and disconnect it.
Give particular attention to the stability and positioning of the machinery
on which the pump is mounted to avoid inconvenience or nuisance to
yourself or others.
Effect the maintenance away from areas to which children have access!
Protect your hands, eyes and body with appropriate clothing. The pump could have
been used with chemical products which are harmful to health.
The pump is made with parts that are not for human ingestion. Do not bite, suck,
chew or swallow any part of it for any reason.
Protect the environment from liquids contained in the pump.
Collect residues and dispose of them regularly. No residue must be
introduced into the drainage system or soil
The replacement of materials such as membranes, oil, suction and delivery side valves
and the sealing O rings is considered part of normal maintenance. These are parts subject
to wear and tear.
Inspect the pump and its components on a periodic basis.
The ordinary maintenance of the pump will safeguard your investment!
7.1) Replacement of delivery side suction valve and O-rings.
a) Abnormal functioning resulting in excessive depressurising can damage the valve
water-tight seals.
b) Impurities or residues can damage the valve blocking O-rings or stop the housing
from closing properly.
Remedial steps should be as follows:
a) Remove the valve cover, take out the valve and check whether worn. It is a good
rule to always replace the sealing O-rings;
b) Replace the necessary parts and re-assemble;
c) Repeat the operation for all valves.
