Basic Troubleshooting - Slugger Magforce 06920 Operator's Manual

1. Magnetic base not holding securely
Material is too thin to engage magnet.
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Surface of material being drilled must be free of chips, debris, rust and mill scale.
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Size of cutter exceeds machine's rated capacity.
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Check magnet face for unevenness, nicks and burrs.
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Welding equipment connected to material being drilled.
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2. Motor slows when drilling
If an extension cord is being used, see page 6 for recommended wire gauges and cord lengths.
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Excessive downfeed pressure during drilling cycle will cause motor to slow and overheat.
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Cutting tool needs to be resharpened.
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3. Coolant system not working
Coolant system is gravity dependent, machine must be in an upright position to operate properly.
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Check coolant lines for blockage.
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Dirt or debris in coolant tank.
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Consistency of coolant mixture too thick.
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Incorrect pilot pin being used.
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Vent hole in coolant tank lid blocked.
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4. Slugs not ejecting from cutter
Lack of coolant causing slugs to expand in cutter bore.
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Incorrect pilot pin being used.
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5. Breaking cutters
Coolant must be supplied to interior of cutter.
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Excessive feed pressure being applied when cutter initially contacts work surface.
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Confirm material hardness.
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Drilling stacked materials with incorrect cutter.
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Dull cutters; dull or chipped cutting edges require excessive feed pressure, resulting in breakage.
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6. Oversized or rough holes
Insufficient coolant.
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Excessive feed pressure.
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Dull cutter.
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basic troubleshooting

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