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Troubleshooting: Performance Problems
Trouble Probable Cause Remedy
Snipe.
(NOTE: Snipe cannot
be eliminated, but
can be so minimized
as to be negligible.)
Table rollers not set properly. Adjust rollers to proper height.
Inadequate support of long boards.
Support long boards with extension
rollers.
Uneven feed roller pressure front to
back.
Adjust feed roller pressure.
Dull knives or knife inserts.
15S: Sharpen or replace knives.
15HH: Rotate or replace inserts.
Lumber not butted properly.
Butt end to end each piece of stock
as they pass through.
Fuzzy grain.
Planing wood with high moisture
content.
Remove moisture by drying, or use
different stock.
Dull knives or knife inserts.
15S: Sharpen or replace knives.
15HH: Rotate or replace inserts.
Torn grain.
Too heavy a cut. Adjust proper depth of cut.
Knives (or inserts) cutting against the
grain.
Cut along the grain where possible.
Dull knives or knife inserts.
15S: Sharpen or replace knives.
15HH: Rotate or replace inserts.
Rough/raised grain.
Dull knives or knife inserts.
15S: Sharpen or replace knives.
15HH: Rotate or replace inserts.
Too heavy a cut. Adjust proper depth of cut.
Planing wood with high moisture
content.
Remove moisture by drying, or use
different stock.
Rounded, glossy
surface.
Dull knives or knife inserts.
15S: Sharpen or replace knives.
15HH: Rotate or replace inserts.
Feed rate too slow. Increase feed rate.
Cutting depth too shallow. Increase cutting depth.
Poor feeding of
lumber.
Inadequate feed roller pressure.
Adjust feed roller tension. If proper
tension cannot be achieved, replace
feed rollers.
Planer table rough or dirty.
Clean pitch and residue from table,
and apply paste wax.
Belt slipping on pulleys. Tighten belt.
Surface of feed roller is clogged. Clean pitch and residue off roller.