TROUBLESHOOTING
56
Short hose life.
Chemical attack of the
hose.
Check the compatibility of
the hose material with the
fluid to be pumped. Con-
sult your Bredel represent-
ative for correct hose
selection.
High pump speed.
Reduce pump speed.
High discharge pressures.
Maximum working pres-
sure 800 kPa (116 psi).
Check that the discharge
line is not blocked, the
shut-off valves are fully
opened and the pressure
relief valve functions prop-
erly (if present in the dis-
charge line).
High product temperature.
Consult your Bredel repre-
sentative for correct hose
selection.
High pulsations.
Restructure the discharge
and inlet conditions.
Hose pulled into the
pump.
Insufficient or no hose
lubricant in the pumphead.
Add extra lubricant. Refer
to §
.
Incorrect lubricant: no
Bredel Genuine Hose
Lubricant in the pumphead.
Consult your Bredel repre-
sentative for the correct
lubricant.
Extremely high inlet pres-
sure - larger than 200 kPa
(29 psi).
Reduce the inlet pressure.
Problem
Possible cause
Correction
