23
23
TROUBLESHOOTING
Symptom
Possible Cause
Correction*
Motor will not start
Low voltage.
Check power line for proper voltage.
Open circuit in motor or loose
connection.
Inspect all lead connections on motor
for loose or open connections.
Motor will not start
fuses or circuit
breakers blow
Short circuit in line cord or plug.
Inspect cord or plug for damaged
insulation and shorted wires.
Short circuit in motor or loose
connections.
Inspect all connections on motor for
loose or shorted terminals or worn
insulation.
Incorrect fuses or circuit
breakers in power line.
Install correct fuses or circuit breakers.
Machine slows
when operating
Applying excessive pressure of
workpiece against platen.
Reduce pressure against
abrasive/platen.
V-belt loose.
Tighten V-belt.
Loud, repetitive
noise coming from
machine
Pulley setscrews or keys are
missing or loose.
Inspect keys and setscrews. Replace
or tighten if necessary.
Motor fan is hitting the fan cover. Tighten fan or shim cover.
V-belt is defective.
Replace V-belt.
Poor tracking
Improper abrasive belt splice.
Check belt for irregular seam or shape.
Excessive belt tension.
Set tension so belt is just taut.
Insufficient belt tension.
Set tension so belt is just taut.
Worn contact surfaces.
Check surface of contact wheels.
Replace worn wheels.
Misaligned contact surfaces.
Check alignment of tracking wheels
and contact wheel. Realign if needed.
Lack of crown on drive wheel.
Check for 1/16-inch crown. Replace
drive wheel if crown is not present.
Worn bearings.
Check all bearings for overheating or
damage. Replace worn or damaged
bearings.
Slack abrasive belt Insufficient belt tension.
Set tension so belt is just taut.
Contact wheel
Excessive belt tension.
Set tension so belt is just taut.
WARNING:
Make sure the electrical disconnect is OFF before working on
the machine.
Содержание BG-142S
Страница 18: ...16 16 GETTING TO KNOW YOUR MACHINE ...
Страница 27: ...25 25 MOTOR AND BASE ASSEMBLY EXPLODED VIEW BG 142S 248S 260S ...
Страница 32: ...30 30 BELT AND HOUSING ASSEMBLY EXPLODED VIEW BG 142S ...
Страница 33: ...31 31 ...
Страница 37: ...35 35 BELT AND HOUSING ASSEMBLY EXPLODED VIEW BG 248S ...
Страница 38: ...36 36 ...
Страница 42: ...40 40 BELT AND HOUSING ASSEMBLY EXPLODED VIEW BG 260S ...
Страница 43: ...41 41 ...
Страница 47: ...45 45 WIRING DIAGRAM 115V BG 141S 248S 260S ...