Drive system – Smithy GN1300 User Manual

Page 91

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• 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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