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ANOMALY
The pump changes
cycles when the
product outlet is
closed
Continuous air
leakage from the air
outlet port when the
pump is stopped (no
product outlet)
Continuous air leak
Product comes out
through packing
gland
NOTE: The symbol (*) means that before starting the procedure it is necessary to release
pressure (see paragraph 10.1)
www.sagola.com
CAUSE
The pump takes in air by means of
a loose connection on the suction
stroke
Dirty or faulty suction valve
Piston valve dirty or faulty
Worn lip seal gasket (No 11)
Incorrectly mounted or worn
distributor seal (No 5)
Pneumatic cylinder
scratched or worn
Faulty lip seal gasket (No 11)
Faulty lip Rubberseal (No 2)
Loose packing gland or
worn packing gland seals
Worn packing gland seals
an Elcometer company
REMEDY
Check all connections
Clean or replace (*)
Clean or replace (*)
Replace (*)
Replace faulty seals (*)
Replace (*)
Replace (*)
Replace (*)
Re-tighten (*)
Replace (*)
EN
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