16
TROUBLE SHOOTING
Symptom
Possible Causes And Check
1.
If clip or snip appears at beginning of stock.
Pressure bar may be set too low.
Chipbreakermay be set too high.
Upper infeed sectional roller may be set too high.
Table infeed roller may be set too high.
Spring tension may be too light on pressure bar.
Table rollers may be too high.
2.
If clip or snip appears on end of stock.
Pressure bar may be set too high.
Table outfeed roller may be set too high.
Upper outfeed roller may be set too low.
Stock may not be butted.
Grain may be running against knives.
Table rollers may be too high.
3.
If knives tear out stock.
Feed may be too fast.
Moisture content may be too high.
Cut may be too heavy.
Cutting angle may be too large.
Grain may be running against knives.
Knives are dull.
4.
If knives raise the grain.
Feed may be too fast.
Cutting angle may be too large.
Moisture content of stock may be too high.
Cut may be too heavy.
Knives need sharpening.
5.
If chip marks appear on stock.
Blower system may not be strong enough. No
suction.
Feed may be too fast.
Exhaust pipe may connect with too large on angle
to main blower pipe.
Check knife edge.
6.
If panels are taper across the width
Planer bed out of parallel with cutterhead.
Knives not set even in cutterhead.
7.
If undesired glossy finish appears.
Knives may be dull.
Feed may be too slow.
