Grizzly G0457 - Manual (Page 46)

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g0457 14" industrial Bandsaw (Mfg. Since 5/11)
Symptom possible Cause possible Solution
Machine has
vibration
or
noisy operation
when running.
1. Motor or component is loose.
2. v-belt worn or loose.
3. Motor fan is rubbing on fan cover.
4. pulley is loose.
5. Machine is incorrectly mounted or sits unevenly
on floor.
6. Motor bearings are at fault.
7. Blade weld is at fault or teeth are broken.
8. Worn arbor bearings.
9. Wheels not coplanar/aligned correctly.
10. tires incorrectly installed.
11. Bent or worn out blade.
12. Wheels out of balance.
1. inspect/replace stripped or damaged bolts/nuts, and
re-tighten with thread locking fluid.
2. inspect/replace belt ( page 46).
3. replace dented fan cover and loose/damaged fan.
4. realign/replace shaft, pulley, set screw, and key as
required.
5. Adjust the feet on the bottom of the stand; relocate
machine.
6. test by rotating shaft — rotational grinding/loose shaft
requires bearing replacement.
7. replace blade ( page 36).
8. Check/replace arbor bearings.
9. Adjust wheel alignment to coplaner (
page 49).
10. re-install tires.
11. replace blade (
page 36).
12. replace wheels.
Symptom possible Cause possible Solution
Machine slows
when operating. 1. Applying too much pressure to workpiece.
2. Blade is dull.
1. Feed workpiece slower. See Basic cutting Tips on
page 28.
2. replace blade ( page 36).
ticking sound
when the saw is
running.
1. Blade weld contacting support bearing.
2. Blade weld may be failing.
1. Use file or stone to smooth and round the back of the
blade.
2. inspect and replace blade if necessary ( page 36).
Blade contacting
table insert. 1. excessive side pressure when cutting.
2. table improperly adjusted. 1. reduce side pressure.
2. Adjust table (
page 22).
vibration when
cutting. 1. loose or damaged blade. 1. tighten or replace blade. See page 24 or 36.
Burn marks on
the edge of the
cut. 1. too much side pressure when feeding
workpiece.
2. Blade too wide for size of radius being cut.
1. Feed workpiece straight into the blade. See Basic
cutting Tips on page 28.
2. install a smaller width blade/increase blade tension.
See page 24 or 36.
rough or poor
quality cuts. 1. Feeding workpiece too fast. 1. reduce feed rate. See Basic cutting Tips on page
28.
Sawdust buildup
inside cabinet. 1. Clogged dust port.
2. low CFM (airflow) from dust collection
system.
1. Clean out dust port.
2. three options:
—Check dust lines for leaks or clogs.
—Move dust collector closer to saw.
—install a stronger dust collector.
Blade wanders or
won't follow line
of cut. 1. Blade lead. 1. refer to Blade lead on page 47.
cutting Operations