Symptom

Possible Cause

Possible Solution

Workpiece is

1.

headstock and tailstock are not properly

1.

re-align the tailstock to the headstock spindle

tapered.

 

aligned with each other.

 

centerline (see Page 40).

 

 

 

 

 

Chuck jaws will

1.

Chips lodged in the jaws or scroll plate.

1.

remove jaws, clean and lubricate scroll plate, then

not move or do not

 

 

 

replace jaws.

move easily.

 

 

 

 

 

 

 

 

 

Carriage will not

1.

gears are not all engaged.

1.

adjust gear levers.

feed or is hard to

2.

half nut lever engaged.

2.

Disengage half nut lever.

move.

3.

loose screw on the feed handle.

3.

tighten.

 

4.

Carriage lock is tightened down.

4.

Check to make sure the carriage lock bolt is fully

 

 

 

 

released.

 

5.

Chips have loaded up on bedways.

5.

Frequently clean away chips that load up during

 

 

 

 

turning operations.

 

6.

bedways are dry and in need of lubrication.

6.

lubricate bedways/ball oilers.

 

7.

micrometer or feed stop is interfering.

7.

Check micrometer or feed stop position and adjust it

 

 

 

 

as necessary (see Page 49).

 

8.

gibs are too tight.

8.

loosen gibs screw(s) slightly (see Page 77).

 

9.

gears or shear pin broken.

9.

replace gears or shear pin (see Page 82).

 

 

 

 

 

Gear change levers

1.

gears not aligned inside headstock/quick

1.

rotate spindle by hand with light pressure on the

will not shift into

 

change gearbox.

 

lever until gear falls into place.

position.

 

 

 

 

 

 

 

 

 

Model G0740 (Mfg. Since 11/12)

-75-

Page 77
Image 77
Grizzly G0740 owner manual As necessary see