Grizzly 60773 Benutzerhandbuch

-68-

Model G0773 (Mfd. Since 12/14)

Bad surface finish.

1.  Wrong spindle speed or feed rate.
2.  Dull tooling or poor tool selection.

3.  Tool height not at spindle centerline.

4.  Too much play in gibs.

1.  Adjust for appropriate spindle speed and feed rate.
2.  Sharpen tooling or select a better tool for the 

intended operation.

3.  Adjust tool height to spindle centerline (see 

39).

4.  Tighten gibs (see 

Page 72).

Tapered tool difficult 
to remove from 
tailstock quill.

1.  Quill not fully retracted into tailstock.

2.  Contaminants not removed from taper 

before inserting into quill.

1.  Turn quill handwheel until tapered tool is forced out 

of quill.

2.  Clean taper and bore, then re-install tool.

Cross slide, 
compound rest, or 
carriage feed has 
sloppy operation.

1.  Ways loaded with shavings, dust, or grime.
2.  Gibs are out of adjustment.
3.  Handwheel loose or excessive backlash.

4.  Leadscrew mechanism worn or out of 

adjustment.

1.  Clean ways and relubricate.
2.  Adjust gibs (see 

Page 72).

3.  Tighten handwheel fasteners, adjust handwheel 

backlash to a minimum (see 

Page 71).

4.  Adjust leadscrew to remove end play (see 

71).

Cross slide, 
compound, 
or carriage 
handwheels hard to 
move.

1.  Ways loaded with chips, dust, or grime.
2.  Gibs are too tight.
3.  Backlash setting too tight.
4.  Bedways are dry.
5.  Half nut lever engaged.

1.  Clean ways and lubricate.
2.  Loosen gibs slightly (see 

Page 72).

3.  Slightly loosen backlash setting (see 

Page 71).

4.  Lubricate bedways. 
5.  Disengage half nut lever for manual feeding.

Cutting tool 
or machine 
components vibrate 
excessively during 
cutting.

1.  Tool holder not tight enough.
2.  Cutting tool sticks too far out of tool holder; 

lack of support.

3.  Gibs are out of adjustment.
4.  Dull cutting tool.
5.  Incorrect spindle speed or feed rate.

1.  Check for debris, clean, and retighten.
2.  Re-install cutting tool so no more than 

1

⁄

3

 of the total 

length is sticking out of tool holder.

3.  Adjust gibs at affected component (see 

Page 72).

4.  Replace or resharpen cutting tool.
5.  Use the recommended spindle speed and feed rate.

Workpiece is 
tapered.

1.  Headstock and tailstock not properly 

aligned.

1.  Re-align tailstock to headstock spindle centerline 

(see 

Page 34).

Chuck jaws will 
not move or do not 
move easily.

1.  Chips lodged in jaws or scroll plate.

1.  Remove jaws, clean and lubricate scroll plate, then 

replace jaws.