17
Troubleshooting: Operating Problems
Trouble
Probable cause
Remedy
Snipe(NOTE:
Snipe can be
minimized but not
eliminated)
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 tension.
Dull knives.
Reverse or replace knives.
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 content from wood by
drying, or choose other stock
Dull knives.
Reverse or replace knives
Torn Grain
Too heavy a cut
Adjust proper depth of cut.
Knives cutting against grain
Cut along the grain.
Dull knives
Reverse or replace knives.
Rounded, Raised
surface
Dull knives.
Reverse or replace knives.
Too heavy a cut
Adjust proper depth of cut.
Moisture content too high.
Remove moisture content from wood by
drying, or choose other stock.
Rounded, glossy
surface
Dull knives.
Reverse or replace knives.
Feed speed too slow
Increase speed.
Cutting depth too shallow
Increase depth.
Poor feeding of
lumber
Inadequate feed roller pressure Adjust feed roller tension. If proper tension
cannot be achieved replace
Planer bed rough or dirty.
Clean pitch and residue, and wax planer
table.
Transmission v-belt slipping.
Tighten transmission v-belt.
Surface of
feed rollers
too
smooth.
Lightly roughen the feed roller surface with
sandpaper
Bed rollers too low.
Raise bed rollers to proper depth for stock.
