Woodstock W1679 - Manual (Page 32)

MAINTENANCE
-30-
Troubleshooting
SYMPTOM
Chipping occurs on workpiece.
Grain is fuzzy after jointing.
Lines or ridges in board.
Uneven knife marks on board.
Wavy surface or chatter marks on
board.
Edge is concave or convex after
edge jointing.
Workpiece tapered after jointing.
POSSIBLE REASON
1. Grain direction incorrect or knots in
workpiece.
2. Dull knives.
3. Too fast of a feed rate.
4. Too deep of cut.
1. Wood may have high moisture con-
tent. Check with moisture meter.
2. Dull knives.
3. Wood is figured or is a species that
has naturally fuzzy characteristics.
1. Nicked or chipped knives.
1. One or more knives out of adjust-
ment.
1. Too fast of a feed rate.
2. One or more knives out of adjust-
ment.
1. Workpiece not held with even pres-
sure on infeed and outfeed table.
2. Workpiece began too uneven.
3. Workpiece has excessive bow or
twist along its length.
4. Insufficient number of passes.
5. Outfeed table not properly aligned
with cutterhead.
1. Outfeed table set too low.
HOW TO REMEDY
1. Feed workpiece with the grain. Inspect stock for knots or
try again with different stock.
2. Replace or sharpen knives.
3. Feed the workpiece at a slower rate.
4. Decrease depth of cut.
1. Allow wood to dry.
2. Replace or sharpen knives.
3. Use different wood or plan on extra sanding.
1. Inspect and replace or sharpen knives.
1. Reset/adjust knives in cutterhead. See page 17.
1. Feed the workpiece at a slower rate.
2. Reset/adjust knives in cutterhead. See page 17.
1. Hold workpiece with even pressure as it moves through
the cutterhead. See “Edge Jointing” on page 24.
2. Take partial cuts to remove extreme high spots before
doing a full pass.
3. Surface plane one face so there is a good surface to posi-
tion against the fence.
4. Three to five passes may be needed to achieve a perfect
edge, depending on starting condition and depth of cut.
5. Set outfeed table even with cutterhead knife at top dead
center. See page 18-19.
1. Set outfeed table even with cutterhead knife at top dead
center. See page 18-19.
Cutterhead Rotation
Outfeed
Table
Infeed
Table
Feed Direction
Outfeed table set too low. Outfeed table set too high.