Troubleshooting
Trouble
Mortiser will not start.
Drill bit does not come up to speed.
Mortiser vibrates excessively.
Noisy Operation.
Workpiece Burns.
Drill bit wanders.
Wood splinters on the underside.
Drill bit binds in workpiece.
Probable Cause | Remedy | |
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No incoming power. | Check all plug connections. | |
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Fuse blown, or circuit breaker tripped. | Replace fuse, or reset circuit breaker. | |
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Cord damaged. | Replace cord. | |
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Motor bad. | Contact WMH technical service. | |
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Extension cord too light or too long. | Replace with adequate size and | |
length cord. | ||
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Low current. | Contact a qualified electrician. | |
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Stand on uneven surface. | Machine should be placed on level | |
floor; use shims if necessary. | ||
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Auger contacting chisel. | Increase offset of auger in relation to | |
chisel. See page 9. | ||
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| Retract auger frequently to remove | |
Chips not clearing from hole or auger. | chips. Make sure chisel slot opens | |
| toward area already cut. | |
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Dull auger. | Resharpen, or replace auger. | |
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Feeding auger into workpiece too | Increase feed rate. | |
slowly. | ||
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Auger sharpened incorrectly. | Resharpen auger correctly (page 17). | |
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Chuck jaws not tight. | Tighten chuck jaws. | |
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Bent auger. | Replace auger. | |
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Auger or chuck not installed properly. | Reinstall the chuck, or auger properly. | |
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No backing board used. | Place a scrap board underneath the | |
workpiece to prevent splintering. | ||
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Workpiece not clamped properly, | Support or clamp workpiece firmly. | |
pinching the auger. | ||
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Excessive feed rate. | Decrease feed rate. | |
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Chuck jaws not tight. | Tighten chuck jaws. | |
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Replacement Parts
Replacement parts are listed on the following pages. To order parts or reach our service department, call
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