Binks MX1231 Series Assemblies page 7

MX1231 BARE PUMP ASSEMBlIES – TROUBlEShOOTING
PROBlEM
Pump will not start
Erratic operation of air
motor, air motor stops
Continuous air leak
from the exhaust
Material in solvent cup
Pump does not stop
on the
down stroke
Pump does not stop on
the up stroke
Pump runs erratically
Pump runs, with no
output
CAUSE
No compressed air.
Spray tip is blocked.
Worn poppet assemblies.
Worn or dirty spool and sleeve
assembly.
Worn poppet assemblies.
Worn piston seal.
Worn diaphragm.
Worn or dirty upper packings.
Worn or dirty lower ball check.
Worn or dirty upper ball check.
Worn or dirty lower packings.
Blocked siphon kit.
Blocked inlet filter or strainer.
Low material level.
Loose connection in between
pump and siphon kit.
Stuck lower ball.
SOlUTION
Check compressed air supply.
Clean or replace the spray tip.
Replace the poppet assemblies.
Clean or replace the spool and sleeve
assembly, as necessary.
Replace poppet assemblies.
Replace piston seal.
Replace diaphragm.
Replace or clean upper packings as
necessary.
Replace or clean the parts as necessary.
Replace or clean the parts as necessary.
Replace or clean the siphon kit.
Replace or clean the inlet filter or strainer.
Replace or refill material container.
Check that all connections are tight.
Replace or clean the parts as necessary.
77-2924
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