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Troubleshooting: Operating Problems
Trouble
Snipe
(NOTE: Snipe can be minimized but not eliminated)
Fuzzy Grain
Torn Grain
Rough or Raised Grain
Rounded, glossy surface
Poor feeding of lumber
Probable Cause | Remedy | |
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Table rollers not set properly. | Adjust rollers to proper height. | |
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Inadequate support of long boards. | Support long boards with extension | |
rollers. | ||
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Uneven feed roller pressure front to | Adjust feed roller tension. | |
back. | ||
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Dull knives. | Reverse or replace knives. | |
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Lumber not butted properly. | Butt end to end each piece of stock | |
as they pass through. | ||
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Planing wood with high moisture | Remove moisture content from wood | |
content. | by drying, or choose other stock. | |
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Dull knives. | Reverse or replace knives. | |
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Too heavy a cut. | Adjust proper depth of cut. | |
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Knives cutting against grain. | Cut along the grain. | |
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Dull knives. | Reverse or replace knives. | |
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Dull knives. | Reverse or replace knives. | |
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Too heavy a cut. | Adjust proper depth of cut. | |
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Moisture content too high. | Remove moisture content from wood | |
by drying, or choose other stock. | ||
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Dull knives. | Reverse or replace knives. | |
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Feed speed too slow. | Increase speed. | |
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Cutting depth too shallow. | Increase depth. | |
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| Adjust feed roller tension. If proper | |
Inadequate feed roller pressure. | tension cannot be achieved, replace | |
| feed rollers. | |
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Planer bed rought or dirty. | Clean pitch and residue, and wax | |
planer table. | ||
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Transmission | Tighten transmission | |
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Surface of feed rollers too smooth. | Lightly roughen the feed roller surface | |
with sandpaper. | ||
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Bed rollers too low. | Raise bed rollers to proper depth for | |
stock. | ||
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