Grizzly G0493 - Manual (Page 68)

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Model g0493 (Mfg. since 7/10)
symptom possible cause possible solution
Machine has vibration or noisy
operation. 1. Motor or component is loose.
2. Blade is at fault.
3. v-belt(s) worn or loose.
4. pulley is loose.
5. Motor mount loose/broken.
6. Machine is incorrectly mounted or
sits unevenly.
7. arbor pulley is loose.
8. Motor fan is rubbing on fan cover.
9. arbor bearings are at fault.
10. Motor bearings are at fault.
1. inspect/replace stripped or damaged bolts/
nuts, and re-tighten with thread locking fluid.
2. replace warped, bent, or twisted blade;
resharpen dull blade.
3. inspect/replace belts with a new matched set
(refer to page 67).
4. realign/replace shaft, pulley, setscrew, and
key as required.
5. tighten/replace.
6. tighten/replace anchor studs in floor; relocate/
shim machine.
7. retighten/replace arbor pulley with shaft and
thread locking liquid.
8. replace dented fan cover; replace loose/dam-
aged fan.
9. replace arbor housing bearings; replace
arbor.
10. test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
Main blade runs backwards. 1. two of the power wires are
reversed.
1. exchange wires r & t in the terminal box.
operation
symptom possible cause possible solution
Workpiece has burned edges,
binds, or kicks back. 1. sliding table is not parallel to blade.
2. riving knife is not aligned with the
blade.
3. Blade is warped.
1. Make sliding table parallel to the
blade ( page 69).
2. shim the riving knife to align it with the main
blade.
3. replace the blade.
Workpiece has chip out on the
bottom edge. 1. scoring blade height is incorrect.
2. scoring blade is not aligned with the
main blade.
3. scoring blade kerf does not match
the main blade.
1. adjust the height of the scoring blade.
2. align the scoring blade (
page 44).
3. adjust the scoring blade kerf ( page 44).
sliding table saw does not cut
square. 1. sliding table is not parallel to blade.
2. rip fence is not parallel to blade.
3. Crosscut fence is not perpendicular
to the blade.
1. adjust the sliding table ( page 69).
2. adjust the rip fence parallel to blade.
3. adjust the crosscut fence perpendicular to the
blade ( page 71).
Fence hits table top when sliding
across table. 1. Front rail is too low.
2. rip fence roller is too low. 1. raise the front rail.
2. adjust the rip fence roller.
Blade does not reach 90˚, or
blade does not reach 45˚. 1. Blade stop bolts are out of adjust-
ment.
1. adjust the stop bolts ( page 68).
the rip fence scale is not accu-
rate. 1. the rip fence scale is out of calibra-
tion or was not set up correctly.
1. adjust the rip fence scale.
tilt or blade height handwheels
difficult to turn. 1. lock knob is tight.
2. gears caked with dust. 1. release the lock knob.
2. Clean out dust and grease the gears.