Carriage/milling table – Smithy GN1300 User Manual
Page 88
Carriage/Milling Table
1. Table won't move
Cause
Solution
• Table locks engaged
• Loosen locks
• Gibs too tight
• Loosen gibs
2. Horizontal and vertical movement in cross-slide table
Cause
Solution
• Carriage gib improperly adjusted
• Adjust carriage gib
• Table gib improperly adjusted
• Adjust table gib
3. Carriage moves smoothly in only one direction
Cause
Solution
• Debris on way or gib
• Remove debris
• Burr on gib
• Remove burr with fine file
• Gib improperly tensioned
• Loosen gib and re-tension
• One or more wipers mounted too low
• Reposition wiper(s)
4. Cross-slide handwheel turns during cutting operations
Cause
Solution
• Cross-slide brass nut worn
• Tighten or replace brass nut
• Carriage lock not tight
• Tighten carrriage locks
• Gibs too loose
• Readjust gibs
5. Too much backlash in the cross-slide
Cause
Solution
• Loose screw
• Tighten screw, review how to
eliminate backlash
• Loose brass nut
• Put a shim between the stud on
the nut and the side of the hole
• Worn brass nut
• Replace brass nut or adjust screw
at end of nut
• Excessive space between bearing
• Add shim washer and dial
12: Troubleshooting
12-2
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