Drive system – Smithy GN1300 User Manual
Page 91
• Cutting too fast
• Reduce speeed
• Incorrect bit
• Use correct bits
• No pilot hole
• Drill small pilot hole
2. Entrance hole is out of round
Cause
Solution
• Bit dull
• Use sharp bit
• Incorrect drill bit
• Use correct drill bit
3. Bit turns erratically or stops
Cause
Solution
• Bit fed into work too fast
• Reduce feed rate
• Belts slipping
• Reduce feed rate, re-tension belts
4. Chuck is difficult to tighten or loosen
Cause
Solution
• Chuck sticking
• Apply lubricant
• Debris in chuck
• Clean chuck
5. Chuck wobbles
Cause
Solution
• Chuck loose on arbor
• Clean arbor and remount
• Drawbar not tight
• Clean spindle and replace drawbar
Drive System
1. Turn on the machine and nothing happens
Cause
Solution
• Breaker Blown
• Re-set circuit breaker
• Machine unplugged
• Plug in the machine
• Loose electrical connections
• Tighten wiring connections
• Electrical components bad
• Replace defective parts
2. Motor and pulleys turn, but not lathe or mill
Cause
Solution
• Mill or lathe not selected
• Select proper function
Granite 1300 Series Operator’s Manual
12-5
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