Grizzly G0694 - Manual (Page 42)

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Model G0694 (Mfg. Since 10/09)
symptom possible Cause possible solution
vibration noise
while machine
is running; noise
changes when
speed is changed. 1. Belt cover loose.
2. dented fan cover on motor.
3. Worn or damaged spindle bearing(s).
4. Loose pulley.
1. tighten belt cover lock knob; if necessary install a
soft, vibration dampening material between the belt
cover and the headstock casting.
2. replace or adjust fan cover. inspect motor fan and
replace if damaged.
3. replace spindle bearing(s).
4. adjust pulley.
excessive vibration. 1. Workpiece mounted incorrectly.
2. Workpiece warped, out of round, or is
flawed.
3. spindle speed is set too fast for mounted
workpiece.
4. Lathe is resting on an uneven surface.
5. Motor mount bolts are loose.
6. Belt is worn or damaged.
7. Worn or damaged spindle bearing(s).
1. re-mount workpiece, making sure that centers are
embedded in true center of workpiece.
2. Cut workpiece to correct, or use a different
workpiece.
3. reduce the spindle speed.
4. shim cabinets and mounting flanges to remove
any wobbles present in the stand.
5. tighten motor mount bolts.
6. replace belt (see
Page 42).
7. replace spindle bearings.
Chisels grab or dig
into workpiece. 1. tool rest set too low or chisel angle incor-
rect.
2. tool rest set too far from workpiece.
3. Wrong chisel/tool being used.
4. Chisel/tool dull.
1. set tool rest higher. see Pages 20–21 for how to
properly set the tool rest height and angle.
2. Move the tool rest closer to the workpiece. see
Pages 20–21 for the proper workpiece/tool rest
clearance.
3. Use the correct chisel/tool; educate yourself by
reading books, trade magazines, or seeking help
from an experienced lathe operator.
4. sharpen or replace the chisel/tool you are using.
Bad surface finish. 1. Wrong spindle speed.
2. dull chisel or wrong chisel being used for
the operation.
3. Loose workpiece.
1. Use trial-and-error to find a better spindle speed.
2. sharpen chisel or try a different chisel.
3. tighten workpiece.
tailstock moves. 1. tailstock mounting bolt loose.
2. Bed surface is oily or greasy. 1. tighten so lever locks at horizontal position.
2. Clean bedway surface to remove excess oil/
grease.
Cannot remove
tapered tool from
tailstock barrel. 1. tailstock quill had not retracted all the way
back into the tailstock.
2. debris was not removed from taper before
inserting into barrel.
1. turn the quill handwheel until it forces taper out of
barrel.
2 . always make sure that taper surfaces are clean.
Wood Lathe Operation