TM 5-3895-374-24-2
Problem Cause/Remedy Chart
PROBLEM
CAUSE
REMEDY
MOTOR/HEATERS OVERLOAD
Amp demand excessive for motor
Recheck horsepower calculations.
Check material characteristics.
Check capacity. Regulate feed.
INLET TROUGH END
A) Material getting into bearing
A) Add or upgrade seal to keep
BEARING FAILURE
material out of bearing. Change to
outboard bearing.
B) Insufficient lubrication
B) Lubricate properly.
C) Shaft slope
C) Align screw. Check for ex-
cessive screw deflection and for
bent screw.
DISCHARGE TROUGH END
A) Material getting into bearing
A)
1. Add or upgrade seal.
BEARING FAILURE
2. Change to outboard bearing.
3. Cut off flight at center of
discharge.
HANGER BEARING FAILURE
A) Incorrect alignment
A) Align hanger.
B) Heat due to hot material
B) Use appropriate bearing
being conveyed
material.
C) Heat due to insufficient
C) Properly lubricate
lubrication
D) Thrust due to pipe pressing
D) Check coupling bolts and holes
on bearing insert
for elongation and wear. Replace
as necessary. Readjust screw/
hanger assembly to get proper
clearances.
E) Improper material causing
E) Consult catalog for proper
premature wear
material due to temperature,
trough loading, and speed. Check
to insure coupling shaft material
and bearing material are
compatible.
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