Grizzly G0526A40 Owner's Manual page 38

Motor & Electrical (Cont.)
Symptom Possible Cause
Machine has 1. Motor or component loose.
vibration or
2. Mobile stand feet not adjusted properly.
noisy operation.
3. V-belt worn, loose, pulleys misaligned or belt
slapping cover.
4. Insert(s) at fault.
5. Pulley loose.
6. Motor mount loose/broken.
7. Motor fan rubbing on fan cover.
8. Cutterhead bearings at fault.
9. Centrifugal switch needs adjustment/at fault.
10. Motor bearings at fault.
Operation(s)
Symptom Possible Cause
Table(s) hard to 1. Table lock(s) engaged/partially engaged.
adjust.
2. Infeed table lock handle blocking upward
movement.
Excessive 1. Outfeed table set too low.
snipe (gouge
in end of board
2. Operator pushing down on trailing end
that is uneven
(infeed side) of workpiece as it leaves
with rest of
cutterhead.
cut); back of
workpiece is
concave.
Workpiece 1. Outfeed table set too high.
stops in middle
of cut; front of
workpiece is
concave.
Workpiece 1. Workpiece is rough or has loose knots/
chipping,
surface flaws; not suitable for jointing.
tear-out,
2. Not feeding workpiece to cut "with" the grain.
indentations, or
3. Dull inserts.
overall rough
4. Nicked or chipped insert(s).
cuts.
5. Feeding workpiece too fast.
6. Excessive depth of cut.
7. Lack of proper dust collection or clogged
dust port.
-36-
Possible Solution
1. Replace damaged or missing bolts/nuts; tighten if loose.
2. Adjust mobile stand feet to stabilize machine
(Page 17).
3. Inspect/replace belt (Page 43). Re-align pulleys if
necessary (Page 44).
4. Rotate/replace insert(s) (Page 38).
5. Secure pulley on shaft (Page 44).
6. Tighten/replace.
7. Fix/replace fan cover; replace loose/damaged fan.
8. Replace bearing(s)/re-align cutterhead.
9. Adjust/replace if at fault.
10. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
Possible Solution
1. Completely loosen table lock(s) (Page 4).
2. Loosen/reset infeed table lock handle (Page 39).
1. Align outfeed table with cutterhead inserts at top dead
center (Page 39).
2. Focus most of the workpiece pressure against outfeed
table while cutting.
1. Align outfeed table with cutterhead inserts at top dead
center (Page 39).
1. Inspect workpiece. Use smooth stock without loose
knots/surface flaws.
2. Flip workpiece 180° before feeding again.
3. Rotate/replace inserts (Page 38).
4. Rotate/replace inserts (Page 38).
5. Reduce feed rate.
6. Reduce depth of cut (Page 25).
7. Clear blockages, ensure dust collection is operating
efficiently; upgrade dust collector.
Model G0526A40 (Mfd. Since 12/22)