Powermatic 201HH - Manual (Page 19)

19
Troubleshooting: Planer Operating Problems
Trouble Probable Cause Remedy
Snipe.
Table rollers not set properly. Adjust table rollers to proper height.
Inadequate support of long boards.
Support long boards with a roller
stand.
Uneven feed roller pressure front to
back.
Adjust feed roller tension.
Dull knives.
Sharpen or replace knives.
Rotate or replace knife inserts.
Lumber not butted properly.
Butt end-to-end each piece of stock
as they pass through.
Fuzzy grain.
Planing wood with a high moisture
content. Remove moisture from wood by
drying, or use different stock.
Dull knives.
Sharpen or replace knives.
Rotate or replace knife inserts.
Torn grain.
Too heavy a cut. Adjust proper depth of cut.
Knives cutting against grain. Try to cut with the grain for finish cut.
Dull knives.
Sharpen or replace knives.
Rotate or replace knife inserts.
Rough/raised grain.
Dull knives.
Sharpen or replace knives.
Rotate or replace knife inserts.
Excessive depth of cut. Decrease cutting depth.
Moisture content too high.
Remove moisture from wood by
drying, or use different stock.
Rounded, glossy
surface.
Dull knives.
Sharpen or replace knives.
Rotate or replace knife inserts.
Poor feeding of
lumber.
Inadequate feed roller pressure.
Adjust feed roller tension. If proper
tension cannot be achieved, replace
feed roller(s).
Planer table rough or dirty.
Clean off pitch and residue; apply
light coat of paste wax to planer table.
Belts are slipping.
Check belt tension and make any
needed adjustments.
Surface of feed rollers has been worn
too smooth. Lightly roughen the feed roller surface
with sandpaper.