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GIF9C<D | GFJJ@9C<:8LJ< | :FII<:K@M<8:K@FE | ||
Chuck wobbles or | 1. | Foreign material is stuck between | 1. | Remove chuck and clean and |
is loose on spindle |
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| chuck and spindle mating surfaces, then reas- | |
shaft. |
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| semble. |
| 2. | Damaged chuck. | 2. | Replace. |
Spindle does not | 1. | Quill shaft is gummy with sawdust and | 1. | Clean gummy substance with penetrating oil and |
retract completely |
| oil. |
| lubricate with a light coat of oil. |
in uppermost posi- | 2. | Feed shaft return spring is weak. | 2. | Increase feed shaft return spring tension as |
tion or it binds. |
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| described on GX^\).. |
| 3. | Quill deflection screw is binding quill. | 3. | Loosen jam nut, and slightly turn out screw where |
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| quill binds. Retighten jam nut and recheck for |
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| binding and looseness at all spindle locations. |
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Quill has excessive | 1. | Quill shaft is at fault. | 1. | Adjust quill screw. |
deflection. | 2. | Quill and/or bearings are worn. | 2. | Replace quill and/or bearings. |
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Holes drilled at an | 1. | Table is not at 90 degrees. | 1. | Adjust table angle (see GX^\)*). |
angle. |
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Drill bit wobbles, | 1. | Drill bit incorrectly installed. | 1. | Remove drill bit and reinstall. |
holes are oversized. |
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J<IM@:<
