Trillium WSP-6, Installation, Operation & Maintenance Instructions Manual, Page: 39 / 73

WSP™
DATA SHEET WSP™ SELF-PRIMER PUMPS WSP-D300_6
Rev. 3 01/09/20
© 2019 The Factory
39
PUMP REQUIRES TOO MUCH POWER
POSSIBLE CAUSE PROBABLE REMEDY
Pump speed running too fast. Check driver output; check that sheaves
or couplings are correctly sized.
Discharge head too low. Adjust discharge valve.
Liquid is to viscous. Dilute if possible.
Bearing(s) seized. Disassemble pump and check
bearing(s).
PUMP CLOGS FREQUENTLY
POSSIBLE CAUSE PROBABLE REMEDY
Liquid is to viscous. Dilute if possible.
Discharge flow is too slow. Open discharge valve fully to increase
flow rate, and run power source at
maximum governed speed.
Suction check valve or foot valve clogged or
binding.
Clean valve.
EXCESSIVE NOISE
POSSIBLE CAUSE PROBABLE REMEDY
Pump cavitating Reduce suction lift and/or friction losses
in suction line. Record vacuum and
pressure gauge readings, and consult
local representative or factory.
Pump is sucking air. Locate and eliminate source of air
bubble.
Pump or drive not mounted securely. Secure mounting hardware.
Impeller plugged, blocked, or damaged. Clean out debris and replace damaged
parts.
BEARINGS RUN TOO HOT
POSSIBLE CAUSE PROBABLE REMEDY
Bearing temperature is rising above normal. Check bearing temperature regularly to
monitor any increase.
Low or incorrect lubricant. Check for proper type and level of
lubricant.
Suction and discharge lines not properly
supported.
Check piping installation for proper
support.
Drive not properly aligned. Align drive properly.