Screw Torque - Zenith B-9000 Series Installation, Care And Maintenance

B-9000 Series
Assembly
(continued)

Screw Torque

Trouble-
shooting
14
• Place the larger O-Ring into the
exposed face of the adapter plate.
Lower the barrier cap into position
over the inner magnet. If applicable
mount the barrier cap by installing/
tightening the eight socket head
screws.
Size
(Metric Alloy Steel)
M4
M6
M8
M10
M12
M16
*Lubricated values/if non-lubricated increase by 33%.
Possible malfunctions of the pump with their causes and remedies are listed in
the following table.
Trouble
Pump will not turn
Excessive seal
assembly leakage
Reduced pump
efficiency
14. Install the square key (17) into the
drive shaft keyway.
Recommended
Torque (in -lbs)*
31
108
262
519
910
2250
Probable Cause
1) Drive malfunction
2) Process conditions
changed
3) Entrained particle
4) Possible internal
damages
1) Worn seal face(s)
2) Improperly positioned Check seal and faces for
seal or faces
3) Excessive inlet
pressure
1) Worn gear(s)
3) Process conditions
changed
Remedy
Verify that drive powered.
Assure that alarm circuits are
clear. Check motor drive
current and speed settings.
Check process conditions
for proper temperature,
pressures, viscosities and
materials.
Disassemble and clean
pump; replace any damaged
parts.
Disassemble and clean
pump; replace any damaged
parts. Consult factory.
Replace seals.
proper position.
Reduce inlet pressure.
Replace worn gear(s).
Consult factory for gear
clearance recommendations
for new process conditions.