21
TROUBLE SHOOTING AND REPLACEMENT PARTS
TROUBLE SHOOTING / SERIAL PLATE
To order any replacement parts or when calling for assistance with any powered conveyor,
ALWAYS
provide the unit serial number.
Shown at actual size, this is placed on the conveyor frame near the location of the drive assembly.
To order replacement parts or add-on components, con-
tact the Roach distributor who originally furnished the unit
if possible. If this is not possible, contact the National
Sales Office at 870-483-7631 for the name of the
authorized Roach distributor in your area. Have unit
model number and serial number
BEFORE
calling. Refer
to unit drawings (in rear section of handbook) for part
numbers if ordering replacement parts.
ORDERING REPLACEMENT PARTS
TROUBLE SHOOTING
TROUBLE
PROBABLE CAUSE
REMEDY
Motor & gear reducer
running excessively hot,
or hard to start
A. Frozen sprocket
B. Overload
C. Electrical
A. Check and inspect all sprockets and bearings. Replace
sprockets failing to rotate or that are difficult to rotate.
B. Reduce cause and/or increase motor horsepower.
C. Check wiring and circuits, take ampere reading, replace
motor if necessary.
Motor & gear reducer
makes excessive noise
A. Damaged gears
B. Faulty bearing
A. Replace unit.
B. Replace bearing.
Drive chain, convey-
ing chain or sprockets
experience excessive
wear
A. Excessive chain tension
B. Sprockets misaligned
C. Chain not lubricated
D. Damaged sprocket or chain
E. Misalignment of chain guard
F. Dirty chain
A. Reduce chain tension.
B. Realign with straight edge across sprocket faces.
C. Lubricated chain with approved lubricant, wipe away
excess lubricant.
D. Replace Damaged Component.
E. Adjust chain guard assembly as necessary.
F. Clean thoroughly and lubricate with approved lubricant.
Drive chain,
conveying chain or
sprockets make exces-
sive noise
A. Insufficient chain tension
B. Chain not adequately
lubricated
C. Sprockets misaligned
A. Adjust chain tension.
B. Lubricate chain with approved lubricant, wipe away excess
lubricant.
C. Realign sprockets with straight edge across sprocket faces.
Pulsating chain
A. Insufficient chain tension
B. Misalignment of chain guard
C. Overload
A. Adjust chain tension.
B. Adjust chain guard assembly as necessary.
C. Inspect for obstruction to or drag on conveyor.
Broken chain
A. Frozen bearing or sprocket
shaft
B. Worn or damaged chain
C. Obstructed or jam
A. Inspect for damaged bearings, replace if necessary. Re
place links as required.
B. Replace chain as required.
C. Remove obstruction to clear jam.
Tread roller(s) stalls
or does not turn when
loaded
A. Product overload
B. Drive band broken
C. Oily conditions
D. Frozen roller bearing
A. Alter product loading to specified load rating. Consult
factory.
B. Replace drive band.
C. Remove oil with recommended cleaner.
D. Replace roller.
Sprocket loose on shaft
A. Loose set screws
B. Worn or damaged key
A. Realign sprockets with straight edge and tighten set screws.
B. Replace with new key.
Excessive slack in chain A. Normal wear
A. Expect rapid chain growth in first two weeks of operation.
Adjust chain tension as specified in the manual.
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