20
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.
8. To re-install the cutterhead, reverse the
above steps.
Troubleshooting
Trouble Probable
Cause
Remedy
Finished stock is
concave on the end.
Knife tip is higher than outfeed table.
Raise outfeed table so it is level with
knife tip.
Back side of finished
stock is thicker than
the front side.
Outfeed table is higher than knife tip.
Adjust outfeed table so it is level with
knife tip.
Stock is concave in
the middle.
Table flatness should be checked with
a machinist’s square.
Adjust the screws below the table to
raise the table ends.
Both ends of finished
stock are cut deeper
than the middle.
Ends of tables are higher than middle.
Raise table ends with adjustment
screws below tables.
Infeed or outfeed
tables are loose.
Loose gib.
Tighten gibs.
Ripples on planed
surface.
Kickbacks
One blade set higher than the others.
Readjust blades
Feeding wood too fast.
Feed wood more slowly.
Cutting blades are set too high above
outfeed table, or they may not be
level with outfeed table. (JWJ-8CS)
Readjust blades (JWJ-8CS).
Excessive motor
noise.
Motor
Have motor checked by a qualified
repair station.
Pulley set screw is loose.
Tighten set screw.
Motor fails to develop
full power or stalls.
Circuit overloaded with lights, tools,
etc.
Do not share the circuit.
Undersize wires or circuit too long.
Increase wire sizes, or reduce length
of wiring.
Voltage too low.
Request voltage check from the
power company.
Fuses or circuit breakers do not have
sufficient capacity.
Have a qualified electrician install
proper size fuses or circuit breakers.
Motor starts slowly or
fails to come to full
speed.
Motor
Have motor checked by a qualified
repair station.
Belt tension too tight.
Adjust belt tension.
Bad start capacitor.
Replace start capacitor.
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.
Summary of Contents for 718200K
Page 22: ...22 Bed Assembly all models ...
Page 24: ...24 Stand and Motor Assembly JWJ 8CS only ...
Page 26: ...26 Stand and Motor Assembly JWJ 8HH only ...
Page 31: ...31 Electrical Connections JWJ 8HH only ...
Page 32: ...32 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...
