18
Symptom
Possible Cause
Correction*
Uneven depth of cut
side to side.
Knife projection not uniform.
Inspect all knife inserts for positioning and
tightness.
Table not parallel to cutterhead.
Contact JET technical service.
Head difficult to adjust.
Lack of lubrication on corner posts and
lead screws.
Lubricate posts and lead screws.
Head cannot be
lowered.
Thickness gauge is preventing further
movement.
Reset thickness gauge dial setting.
Buildup of debris on leadscrews and/or
columns.
Clean affected areas, and re-grease.
Board thickness doesn’t
match thickness scale.
Thickness scale out of adjustment.
Recalibrate thickness scale/cursor, and make
test cuts.
Chain keeps coming off
sprocket(s).
Chain or sprocket(s) are worn.
Inspect and replace as needed.
*
Warning:
Some corrections may require a qualified electrician.