Grizzly G9983, Owner'S Manual

Page: 30 / 60

-28-
Model G9983 (Mfg. Since 8/09)
Review the troubleshooting and procedures in this section if a problem develops with your machine. If you
need replacement parts or additional help with a procedure, call our Technical Support at (570) 546-9663.
Note: Please gather the serial number and manufacture date of your machine before calling.
section 7: service
troubleshooting
symptom possible cause possible solution
Motor will not start;
fuses or circuit
breakers blow. 1. low voltage.
2. open circuit in motor or loose connections.
3. short circuit in line cord or plug.
4. short circuit in motor or loose connections.
5. incorrect fuses or circuit breakers in power
line.
1. Check power line for proper voltage.
2. inspect all lead connections on motor for loose or
open connections.
3. inspect cord or plug for damaged insulation and
shorted wires.
4. inspect all connections on motor for loose or
shorted terminals or worn insulation.
5. install correct fuses or circuit breakers.
Motor overheats. 1. Motor overloaded.
2. air circulation through the motor restricted.
3. short circuit in motor or loose connections.
4. low voltage.
5. incorrect fuses or circuit breakers in power
line.
1. reduce load on motor.
2. Clean out motor to provide normal air circulation.
3. inspect connections on motor for loose or shorted
terminals or worn insulation.
4. Correct the low voltage conditions.
5. install correct fuses or circuit breakers.
Machine slows
when operating. 1. Feed rate too high.
2. depth of cut too great. 1. Feed workpiece slower and watch load meter.
2. reduce depth of cut and watch load meter.
loud, repetitious
noise coming from
machine 1. pulley set screws or keys are missing or
loose.
2. Motor fan is hitting the cover.
3. v-belt is defective.
1. inspect keys and set screws. replace or tighten if
necessary.
2. tighten fan or shim cover.
3. replace v-belt. see Maintenance section.
Machine is loud,
overheats or bogs
down in the cut. 1. excessive depth of cut.
2. dull sanding belt. 1. decrease depth of cut.
2. replace sanding belt.
edges of wood are
rounded. 1. excessive depth of cut. 1. reduce depth of cut.
uneven thickness
from left to right of
board. 1. Feed table not parallel to sanding roller.
2. Feed belt is worn. 1. adjust the table.
2. replace feed belt.
Workpiece slips on
feed belt. 1. pressure rollers set too high.
2. dirty feed belt.
3. Feed belt is worn. 1. lower pressure rollers.
2. Clean feed belt.
3. replace feed belt.
straight strip
of notches on
workpiece. 1. pressure rollers are dirty or damaged. 1. Clean or repair pressure rollers.
snake shaped
marks on
workpiece. 1. sanding belt damaged or dirty. 1. Clean or replace sanding belt.