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7. Before replacing the cutterhead back into
the casting, thoroughly clean the "saddle"
and the bearing housings of saw dust and
grease so that they seat properly.
Troubleshooting
Trouble
Finished stock is
concave on the end.
Back side of finished
stock is thicker than
the front side.
Stock is concave in
the middle.
Both ends of finished
stock are cut deeper
than the middle.
Infeed or outfeed
tables are loose.
Ripples on planed
surface.
Kickbacks
Excessive motor
noise.
Motor fails to develop
full power or stalls.
Motor starts slowly or
fails to come to full
speed.
Replacement Parts
Replacement parts are listed on the following pages. To order parts or reach our service department, call
1-800-274-6848 Monday through Friday, 8:00 a.m. to 5:00 p.m. CST. Having the Model Number and
Serial Number of your machine available when you call will allow us to serve you quickly and accurately.
Probable Cause
Knife tip is higher than outfeed table.
Outfeed table is higher than knife tip.
Table flatness should be checked with
a machinist's square.
Ends of tables are higher than middle.
Loose gib.
One blade set higher than the others.
Feeding wood too fast.
Cutting blades are set too high above
outfeed table, or they may not be
level with outfeed table. (JWJ-8CS)
Motor
Pulley set screw is loose.
Circuit overloaded with lights, tools,
etc.
Undersize wires or circuit too long.
Voltage too low.
Fuses or circuit breakers do not have
sufficient capacity.
Motor
Belt tension too tight.
Bad start capacitor.
8. To re-install the cutterhead, reverse the
above steps.
Remedy
Raise outfeed table so it is level with
knife tip.
Adjust outfeed table so it is level with
knife tip.
Adjust the screws below the table to
raise the table ends.
Raise table ends with adjustment
screws below tables.
Tighten gibs.
Readjust blades
Feed wood more slowly.
Readjust blades (JWJ-8CS).
Have motor checked by a qualified
repair station.
Tighten set screw.
Do not share the circuit.
Increase wire sizes, or reduce length
of wiring.
Request voltage check from the
power company.
Have a qualified electrician install
proper size fuses or circuit breakers.
Have motor checked by a qualified
repair station.
Adjust belt tension.
Replace start capacitor.
20
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