77-2924
page 22 of 24
FX12 FlUId PUMP ASSEMBlIES – TROUBlEShOOTING
PROBlEM
CAUSE
SOlUTION
Material in solvent cup
Worn or dirty upper packings.
Replace or clean upper packings as
necessary.
Pump does not stop on the
down stroke
Worn or dirty lower ball check.
Replace or clean the parts as necessary.
Pump does not stop on the
up stroke
Worn or dirty upper ball check.
Worn or dirty lower packings.
Replace or clean the parts as necessary.
Pump runs erratically
Blocked material siphon kit.
Blocked inlet filter or strainer.
Low material level.
Replace or clean the siphon kit.
Replace or clean inlet filter or strainer.
Replace or refill material container.
Pump runs, with no output
Loose connection in between
pump and siphon assembly.
Stuck lower ball.
Check that all connections are tight.
Replace or clean the parts as necessary.
