Troubleshooting - Operating Problems - Powermatic 60C Manual De Operación Y Partes

Troubleshooting – Operating Problems
Trouble
Finished stock is
concave on back
end.
Finished stock is
concave on front end.
Stock has slight bevel
after edge jointing.
Chip out.
Fuzzy, rough, or torn
grain.
Board thickness does
not match depth of
cut scale.
Cutterhead slows
while operating.
"Chatter" marks on
workpiece.
Uneven knife marks
on workpiece.
Probable Cause
Knife is higher than outfeed table.
Outfeed table is higher than knife.
Fence not perpendicular to table.
Cutting against the grain.
Dull knives/knife inserts.
Feeding workpiece too fast.
Cutting too deeply.
Knots, imperfections in wood.
Wood has high moisture content.
Dull knives/knife inserts.
Knives are cutting against grain.
Depth of cut scale is incorrect.
Feeding too quickly, or applying too
much pressure to workpiece.
Excessive depth of cut.
Dull knives/knife inserts.
Knives incorrectly set on straight
cutterhead.
Feeding workpiece too fast.
Knives are nicked, or out of
alignment.
Remedy
Raise outfeed table until it aligns with
tip of knife. See pages 18-19.
Lower outfeed table until it aligns with
tip of knife. See pages 18-19.
Square up fence with table.
Cut with the grain whenever possible.
Sharpen or replace knives.
Rotate knife inserts.
Use slower rate of feed.
Make shallower cuts.
Inspect wood closely for imperfections;
use different stock if necessary.
Allow wood to dry or use different stock.
Sharpen or replace knives.
Rotate knife inserts.
Cut with the grain.
Loosen screw and adjust scale
accordingly.
Feed more slowly, or apply less
pressure to workpiece.
Reduce depth of cut.
Sharpen or replace knives.
Rotate knife inserts.
Set knives properly using provided knife
setting gauge. Check that knife slots
are clean and free of dust or debris.
Feed workpiece slowly and
consistently.
Straight cutterhead: Replace nicked
knives; align knives properly using
knife-setting gauge. See pages 14-16.
Helical cutterhead: Rotate nicked
inserts. See page 16.
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