38
38
TROUBLESHOOTING
Performance Troubleshooting
– Jointer
Trouble
Probable Cause
Remedy
Finished stock is
concave on back
end.
Knife is higher than
outfeed table.
Align cutterhead knives with outfeed table.
Setting cutterhead knives.
Finished stock is
concave on front
end.
Outfeed table is higher
than knife.
Align cutterhead knives with outfeed table.
Setting cutterhead knives.
Chip out.
Cutting against the grain. Cut with the grain whenever possible.
Dull knives.
Rotate knife inserts or replace inserts.
Feeding workpiece too
fast.
Use slower rate of feed.
Cutting too deeply.
Make shallower cuts.
Knots, imperfections in
wood.
Inspect wood closely for imperfections; use
different stock if necessary.
Fuzzy grain.
Wood has high moisture
content.
Allow wood to dry or use different stock.
Dull knives.
Rotate knife inserts or replace inserts.
Cutterhead slows
while operating.
Feeding workpiece too
quickly, or applying too
much pressure to
workpiece.
Feed more slowly, or apply less pressure to
workpiece.
“Chatter” marks on
workpiece.
Knives incorrectly set.
Setting cutterhead knives. Check that knife
slots are clean and free of dust or debris.
Feeding workpiece too
fast.
Feed workpiece slowly and consistently.
Uneven knife
marks on
workpiece.
Knives are nicked, or out
of alignment.
Align knives, Setting cutterhead knives.
Rotate knife inserts or replace inserts.
WARNING:
Make sure the electrical disconnect is OFF before working on
the machine.
Содержание JP-1250-1.0
Страница 45: ...42 42 CUTTER BLOCK GUARD AND OUTFEED ASSEMBLY PARTS DIAGRAM ...
Страница 48: ...45 45 CUTTER BLOCK ASSEMBLY PARTS DIAGRAM ...
Страница 51: ...48 48 BASE ASSEMBLY PART DIAGRAM ...
Страница 54: ...51 51 INFEED TABLE ASSEMBLY PARTS DIAGRAM ...
Страница 56: ...53 53 DRIVE AND MOTOR ASSEMBLY PARTS DIAGRAM ...
Страница 58: ...55 55 PLANER TABLE ASSEMBLY PARTS DIAGRAM ...
Страница 61: ...58 58 WORKING FENCE ASSEMBLY PARTS DIAGRAM ...
Страница 63: ...60 60 NOTES ...