Cutting Operations - Grizzly G0640X Owner's Manual

Cutting Operations

Symptom Possible Cause
Machine slows 1. Feeding workpiece too fast.
when operating.
2. Blade is dull.
Ticking sound 1. Blade weld contacting guide/support bearings
when the saw is
(a light tick is normal).
running.
2. Blade weld may be failing.
Blade contacting 1. Insert installed upside down or backwards.
table insert.
2. Table improperly mounted or aligned.
Vibration when 1. Loose or damaged blade.
cutting.
2. Sawdust buildup on wheels.
Burn marks on 1. Too much side pressure when feeding
the edge of the
workpiece; blade is binding.
cut.
2. Blade too wide for size of radius being cut.
Rough or poor 1. Feeding workpiece too fast.
quality cuts.
2. Blade guides adjusted incorrectly.
Sawdust buildup 1. Clogged dust port.
inside cabinet.
2. Low CFM (airflow) from the shop vacuum.
Blade wanders 1. Blade lead.
or doesn't cut
2. Sawdust buildup on wheels.
straight.
Cuts are 1. Table tilt is not adjusted to 0˚ or positive stop
not square
has moved out of adjustment.
(vertically).
2. Table tilt scale pointer is not calibrated.
3. Table is not square to the blade.
Miscellaneous
Symptom Possible Cause
Blade tension 1. The spring in the blade tension mechanism
scale is grossly
has lost its "spring." This is caused by not
inaccurate.
releasing the blade tension when not in use or
frequently over-tensioning the bandsaw.
Wheel is noisy. 1. Wheel bearing is worn out.
2. Belt is too tight (lower wheel).
Blade does 1. Wheels are not coplanar or aligned with each
not track
other.
consistently,
2. Rubber tires on wheels are worn out.
correctly, or at
all.
G0640X 17" Wood/Metal Bandsaw
Possible Solution
1. Reduce feed rate.
2. Replace blade (Page 30).
1. Use file or stone to smooth and round the back of the
blade; slightly loosen the blade guides.
2. Inspect and replace blade if necessary (Page 30).
1. Re-install insert a different way.
2. Align table (Page 23).
1. Tighten or replace blade (Page 30).
2. Clean all sawdust from rubber tires on wheels.
1. Feed workpiece straight into the blade. See Cutting
Tips on Page 32.
2. Install a smaller width blade/increase blade tension.
See Page 30.
1. Reduce feed rate.
2. Re-adjust all blade guides and support bearings.
1. Clean out dust port.
2. Three options:
—Check dust hoses for leaks or clogs.
—Connect saw to a more powerful shop vacuum.
1. Refer to Blade Lead on Page 49.
2. Clean all sawdust from rubber tires on wheels.
1. Adjust table tilt to 0˚; re-adjust positive stop if neces-
sary (Page 22).
2. Calibrate table tilt scale pointer to 0˚ as described in
the Adjusting Positive Stop instructions on Page
22.
3. Shim table (Page 49).
Possible Solution
1. Replace spring in the blade tension mechanism,
then take better care of the bandsaw by releasing
tension when not in use and not over-tensioning the
blade.
1. Replace the wheel bearing.
2. Check/loosen the belt tension as described in the
Blade Speed instructions on Page 31.
1. Adjust wheels to be coplanar/aligned with each other
(Page 47).
2. Redress the rubber tires on the wheels (Page 43);
replace the rubber tires on the wheels.
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