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Grizzly G0554Z Owner's Manual Page 59

14" x 40" gear-head floor lathe.
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Operation and Work Results
possible Cause
Bad surface
1. incorrect spindle speed or feed rate.
2. dull tool or poor tool selection.
3. depth of cut too great.
4. too much play in gibs.
5. tool too high.
Entire machine
1. Workpiece is unbalanced.
excessively upon
2. Worn or broken gear present.
startup and while
3. Chuck or faceplate has become unbalanced.
4. spindle bearings at fault.
Cutting tool
1. tool holder not tight enough.
or machine
2. Cutting tool sticks too far out of tool holder;
lack of support.
3. depth of cut too great.
during cutting.
4. gibs are out of adjustment.
5. dull cutting tool.
6. incorrect spindle speed or feed rate.
Can't remove
1. Quill not retracted all the way back into the
tapered tool from
tailstock quill.
2. debris not removed from taper before inserting
into quill.
Cross slide,
1. gibs are out of adjustment.
compound rest,
2. handwheel is loose.
or carriage
3. lead screw mechanism worn or out of
feed has sloppy
Cross slide,
1. gibs are loaded up with shavings or grime.
compound rest,
or carriage feed
2. gibs are too tight.
handwheel is
hard to move.
3. Backlash setting too tight (cross slide only).
4. Bedways are dry.
1. headstock and tailstock are not properly
turning results
aligned with each other.
from one end of
2. Bedways are not level from side-to-side or
the workpiece to
the other.
Chuck jaws won't
1. Chips lodged in the jaws.
move or don't
move easily.
Carriage won't
1. Carriage lock lever tightened.
feed, or hard to
2. gears are not all engaged or broken.
3. gibs are too tight.
4. lead screw shear pin has sheared.
tailstock quill will
1. Quill lock lever is tightened.
not feed out of
Model g0554z (Mfg 01/09+)
possible solution
1. Adjust for proper spindle speed and feed rate.
2. use sharp tools; use correct tool for the operation.
3. reduce depth of cut and take more passes.
4. Adjust gibs (page 58).
5. lower tool position.
1. reinstall workpiece so it is as centered with the
spindle bore as possible.
2. inspect gears and replace if necessary.
3. re-balance/replace chuck or faceplate; contact a
local machine shop for help.
4. tighten or replace spindle bearings (page 62).
1. Check for debris, clean, and retighten.
2. reinstall cutting tool so no more than
length is sticking out of tool holder and it is secured
by at least two post bolts.
3. reduce depth of cut and take more passes.
4. Adjust gibs of affected component (page 58).
5. replace or re-sharpen cutting tool.
6. use the recommended spindle speed or feed rate.
1. turn the quill handwheel until it forces taper out of
2. Always make sure that taper surfaces are clean.
1. Adjust gibs of affected component (page 58).
2. tighten handwheel fasteners.
3. tighten any loose fasteners on lead screw
mechanism; adjust backlash (cross slide only, page
1. remove gibs, clean ways/dovetails, lubricate, and
re-adjust gibs (page 58).
2. loosen gibs slightly, and lubricate bedways (page
3. slightly loosen backlash setting (page 58).
4. lubricate bedways and carriage components (page
1. realign the tailstock to the headstock spindle bore
center line (page 33).
2. re-level the machine.
1. remove jaws, clean and lubricate chuck threads,
and replace jaws.
1. loosen the carriage lock lever.
2. Adjust gear positions or replace.
3. loosen gibs slightly (page 58).
4. Correct the cause of shear pin breakage, and
replace shear pin (page 60).
1. loosen quill lock lever.
of the total


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  • teddy martin Feb 06, 2017 03:25:
    where can I get one of these carriage stops at g4003