Smithy GN1300 - Manual (Page 87)

Powerfeed and Thread Cutting
1. Powerfeed does not move carriage
Cause Solution
• Carriage locked • Unlock carriage
• Speed selector not engaged • Select speed I or II or III, engage
drive selector
• Sheared pin • Replace pin
• Gears not meshing or teeth missing • Check gears and adjust
• Inch/metric lever in neutral • Engage fully
2. Cut is not smooth
Cause Solution
• Tool dull • Sharpen or replace tool
• Tool not on center • Center tool (shim, if needed)
• Tools not mounted tightly in post • Remount tools
• Cross-slide gibs to bed and base loose • Adjust gibs
• Gibs in toolpost loose • Adjust gibs in toolpost
• Tool turret not tight • Tighten toolpost
• Feed rate too fast • Choose correct setting
• Gear loose • Tighten gears and posts
3. Thread is not smooth
Cause Solution
• Tool dull • Sharpen tool
• Tool not centered • Center tool
• Tools not mounted tight in post • Remount tool
• Cross-slide gibs to bed and base loose • Adjust gibs
• Gibs in compound loose • Adjust gibs
• Tool turret not tight • Tighten toolpost
• Gears loose • Tighten gears and posts
4. Tools is not cutting “on thread”
Cause Solution
• Powerfeed slipping • Engage halfnut fully
• Clutch slipping • Tighten screws (6)
12 Troubleshooting
12-1 For Assistance: Call Toll Free 1-800-476-4849