Zenith C-9000, Installation, Care And Maintenance

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14
Pump Bolt Size Bolt Material Recommended
Torque
(lb.-in)
*
M4 316 SS 20
M6 316 SS 70
M8 316 SS 169
M10 316 SS 335
M12 316 SS 580
Mounting Bolt Bolt Material Recommended
Size Torque
(lb.-in)
*
M10 Alloy 519
M12 Alloy 910
Trouble Probable Cause Remedy
Pump will not turn 1)
Drive malfunction Verify that drive is powered.
Assure that alarm circuits are
clear. Check motor drive
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
damage pump; replace damaged
parts. Consult factory.
Excessive seal 1)
Worn seal face(s) Replace seal.
assembly leakage
2)
Improperly Positioned Check seal and faces for
seal or faces proper position.
1)
Excessive outlet Reduce outlet pressure.
pressure
Reduced pump 2)
Worn gear(s) Replace worn gear(s).
efficiency
3)
Process conditions Consult factory for gear
changed clearance recommendations
for new process conditions.
Trouble-
shooting
Screw Torque
Examples of malfunctions of the pump with possible causes
and remedies are listed in the following table:
*Lubricated values/if non-lubricated increase by 33%.