Watson-Marlow SP40 - Manual (Page 57)

TROUBLESHOOTING
54
Vibration of the pump
and pipework. Suction and discharge
lines are not secured
correctly. Check and secure
pipework.
High pump speed with long
suction and discharge lines
or high product specific
gravity or a combination of
these factors. Reduce pump speed.
Reduce the line lengths on
both suction and discharge
where possible. Consult
your Bredel representative
for a recommendation.
Too narrow diameter of
suction and/or discharge
line. Increase the diameter of
the suction/discharge lines.
Broken front cover bolts. Pump cover (dis)mounted
with the hose in the pump. Never (dis)mount the pump
cover when the hose is still
in the pump.
Problem Possible cause Correction