Donaldson Torit TBI 25 Manuel d'installation et d'utilisation - Page 16
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Donaldson Company, Inc.
Troubleshooting
Problem
Fan blower and motor do
not start
Fan blower and motor
start, but do not stay
running
Insufficient airflow
Excessive vibration
13
Probable Cause
Improper motor wire size
Not wired correctly
Collector not wired for available
voltage
Input circuit down
Electrical supply circuit down
Damaged motor
Incorrect motor starter installed Check for proper motor starter and replace if
Access doors are open or not
closed tight
Hopper discharge open
Damper control not adjusted
properly
Electrical circuit overload
Fan rotation backwards
Access doors open or not
closed tight
Fan exhaust area restricted
Filters need replacement
Loose mounting bolts or set
screws
Misalignment or excessive wear
of wheel
Misaligned or unbalanced motor Balance fan.
Bent shaft due to mishandling or
material impact
Remedy
Rewire using the correct wire gauge as specified by
national and local codes.
Check and correct motor wiring for supply voltage.
See motor manufacturer's wiring diagram. Follow
wiring diagram and the National Electric Code.
Correct wiring for proper supply voltage.
Check power supply to motor circuit on all leads.
Check power supply circuit for proper voltage.
Check for fuse or circuit breaker fault. Replace as
necessary.
Replace damaged motor.
necessary.
Close and tighten access doors. See Filter
Installation.
Check that dust container is installed and properly
sealed.
Check airflow in duct. Adjust damper control until
proper airflow is achieved and the blower motor's
amp draw is within the manufacturer's rated amps.
Check that the power supply circuit has sufficient
power to run all equipment.
Proper fan rotation is clockwise when viewed from
the motor side or counterclockwise when viewed
through the inlet cone. See Preliminary Start-Up
Check.
Check that all access doors are in place and
secured. Check that the hopper discharge opening is
sealed and that dust container is installed correctly.
Check fan exhaust area for obstructions. Remove
material or debris. Adjust damper flow control.
Remove and replace using genuine Donaldson
replacement filters. See Filter Removal and
Installation.
Tighten loose bolts or set screws.
Align wheel and balance fan.
Replace motor with bent shaft and rebalance fan.