Powermatic 60B - Manual (Page 24)

24
Troubleshooting – Operating Problems
Trouble Probable Cause Remedy
Finished stock is
concave on back
end.
Knife is higher than outfeed table.
Raise outfeed table until it aligns with
tip of knife. See page 16.
Finished stock is
concave on front end.
Outfeed table is higher than knife.
Lower outfeed table until it aligns with
tip of knife. See page 16.
Stock has slight bevel
after edge jointing.
Fence not perpendicular to table. Square up fence with table.
Cutting against the grain. Cut with the grain whenever possible.
Dull knives. Sharpen or replace knives.
Feeding workpiece too fast. Use slower rate of feed.
Cutting too deeply. Make shallower cuts.
Chip out.
Knots, imperfections in wood.
Inspect wood closely for imperfections;
use different stock if necessary.
Wood has high moisture content. Allow wood to dry or use different stock.
Dull knives. Sharpen or replace knives.
Fuzzy, rough, or torn
grain.
Knives are cutting against grain. Cut with the grain.
Board thickness does
not match depth of
cut scale.
Depth of cut scale is incorrect. Adjust scale correctly.
Feeding too quickly, or applying too
much pressure to workpiece. Feed more slowly, or apply less
pressure to workpiece.
Excessive depth of cut. Reduce depth of cut.
Cutterhead slows
while operating.
Dull knives. Sharpen or replace knives.
Knives incorrectly set.
Set knives properly using provided knife
setting gauge. Check that knife slots
are clean and free of dust or debris.
“Chatter” marks on
workpiece.
Feeding workpiece too fast.
Feed workpiece slowly and
consistently.
Uneven knife marks
on workpiece. Knives are nicked, or out of
alignment.
Replace nicked knives; align knives
properly using knife-setting gauge. See
page 13.