Browlee-Morrow Vulcan Pumps HDS 100L, Installation, Operation And Maintenance Manual

Page: 34 / 51

Document No. – A1540 Date – 23 January 2014 Revision – 0
Uncontrolled Copy
31
6.1.2 Pump Starts but Motor Trips Out
6.1.3 Pump is Operating with Limited to No Flow
Has the
discharge pipe
size, route or
length changed?
Check:

Operating Condition & System Head Calculation

Motor Horsepower Requirement
No
Yes
Check:

Motor overload cut ‐ out setting

Solids / Liquid Concentration

Pump is jammed with debris

Check for uneven voltage and amperage on each phase
Has the
discharge pipe
size, route or
length changed?
Check:

Operating Condition & System Head Calculation
No
Yes
Check:

Discharge Piping System Leaks

Discharge Valves are fully open and not clogged

Solids / Liquid Concentration

Pump Rotation

Pump intake is clogged with debris

Impeller to Suction Cover Clearance

Worn out wet end components

Incorrect Impeller Trim Diameter