Specifications

19
Size Recommended Torque
(UNC Alloy Steel) (in -lbs)
#10-24 64
#12-24 120
5/16-18 305
1/2-13 780
5/8-11 900
Trouble Probable Cause Remedy
Pump will not turn 1) Drive malfunction Verify drive powered.
Check to assure all alarm
circuits are clear. Check
drive motor current and
speed settings.
2) Process conditions Check process conditions
changed for proper temperature,
pressures, viscosities and
materials.
3) Entrained particle Disassemble and clean
pump; replace any damaged
parts.
4) Possible internal Disassemble and clean
damages pump; replace damaged
parts. Consult factory.
No flow from pump 1) Same as above Same as above
2) Pump rotation Correct drive arrangement
or power leads
Excessive seal 1) Worn lip seal Replace lip seals.
assembly leakage
2) Worn seal plate Replace seal plate and
coupling if necessary.
3) Insufficient inlet (Mechanical Face Seal
pressure version)—increase inlet
pressure.
Reduced pump 1) Worn gear(s) Replace worn gears.
efficiency
2) Worn bearings Replace worn bearings.
3) Process conditions Consult factory for clearance
changed recommendations on new
process conditions.
Trouble-
shooting
Bolt Torque