Use and Care Manual

-36-
ST1010 6" Jointer (Mfd. Since 3/16)
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Table(s) difficult to
adjust.
1. Table lock(s) engaged/partially engaged.
2. Infeed table stops blocking movement.
1. Completely loosen table lock(s) (Page 26).
2. Loosen/reset infeed table stops (Page 26).
Excessive snipe
(gouge in end
of board that is
uneven with rest
of cut).
1. Outfeed table set too low; or knives set too high.
2. Operator pushing down on trailing end of
workpiece as it leaves cutterhead.
1. Align outfeed table with cutterhead knife at top dead
center (Page 22); adjust height of knives evenly with
outfeed table (Page 22).
2. Focus most of the workpiece pressure against outfeed
table while cutting.
Workpiece stops in
middle of cut.
1. Outfeed table set too high. 1. Align outfeed table with cutterhead knife at top dead
center (Page 22).
Workpiece chip-
ping, tear-out, or
overall rough cut.
1. Not feeding workpiece to cut "with the grain."
2. Dull knives.
3. Workpiece not suitable for jointing.
4. Nicked or chipped knives.
5. Feeding workpiece too fast.
6. Excessive cut depth.
7. Lack of proper dust collection or clogged dust
port.
1. Turn the workpiece 180° before feeding again.
2. Sharpen/replace knives (Page 37).
3. Ensure workpiece is suitable for jointing (Page 25).
4. Sharpen/replace knives (Page 37).
5. Reduce feed rate.
6. Reduce cut depth.
7. Clear blockages, ensure dust collector is operating
efficiently; upgrade dust collector.
Fuzzy grain. 1. Wood has high moisture content.
2. Dull knives.
1. Ensure wood moisture content is less than 20%. Allow
to dry if necessary.
2. Sharpen/replace knives (Page 37).
Long lines or
ridges that run
along length of
workpiece.
1. Nicked or chipped knives.
2. Loose or incorrectly installed knives.
1. Sharpen/replace knives (Page 37).
2. Remove/replace knives/individual blade, and install
properly (Page 37).
Uneven cutter
marks, wavy
surface, or chatter
marks across face
of workpiece.
1. Feeding workpiece too fast.
2. Knives not adjusted at even heights in
cutterhead.
1. Reduce feed rate.
2. Adjust knives so they are set up evenly in cutterhead
(Page 37). Remove, clean, and re-install any knife that is
"raised" in cutterhead.
Glossy surface;
scorching or
burn marks on
workpiece.
1. Dull knives.
2. Feed rate too slow.
1. Sharpen/replace knives (Page 37).
2. Increase feed rate.
Workpiece is
concave or convex
along its length
after jointing.
1. Workpiece not held with even pressure against
outfeed table during cut.
2. Workpiece too uneven at start of operation.
3. Outfeed table not parallel with infeed table.
1. Apply even downward pressure against workpiece
throughout entire travel along outfeed side during cut.
2. Take partial cuts to remove extreme high spots before
doing a full pass.
3. Check/Adjust table parallelism.
Operations