Jancy Engineering Slugger 2x2 17980 Manuale dell'operatore - Pagina 9

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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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Does size of cutter exceed machine's rated capacity?
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Check magnet face for unevenness, nicks and burrs.
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Is welding equipment connected to material being drilled?
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2. drill motor running, arbor and spindle not turning
Possible sheared spindle key.
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3. Motor slows when drilling
Is an extension cord being used? If so, see page 6 for recommended wire gages and cord lengths.
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Excessive downfeed pressure during drilling cycle will cause motor to slow and overheat.
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Does cutting tool need to be resharpened?
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4. coolant system not working
Coolant system is gravity dependent, machine must be in a upright position to operate properly.
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Check operation of coolant valve. Valve must turn freely.
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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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Is correct pilot pin being used?
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Vent hole in coolant tank lid blocked.
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5. Slugs not ejecting from cutter
Lack of coolant causing slugs to expand in cutter bore.
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Is correct pilot pin being used?
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Possible broken internal arbor parts.
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6. Breaking cutters
How is coolant being applied? 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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Excessive arbor runout – see regular maintenance on page 10.
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Improperly adjusted motor slide – see page 10.
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7. Oversized or rough holes
Insufficient coolant.
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Excessive feed pressure.
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Dull cutter.
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Excessive arbor runout – see regular maintenance on page 10.
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Motor slide improperly adjusted.
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basic troubleshooting

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