SECTION 6: SERVICE
Review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel- ops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support at (570)
Troubleshooting
Motor & Electrical
Symptom | Possible Cause | Possible Solution | |||
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Machine | does not | 1. | Plug/receptacle is at fault or wired incor- | 1. | Test for good contacts; correct the wiring. |
start or | a breaker |
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trips. |
| 2. | Wiring is open/has high resistance. | 2. | Check for broken wires or disconnected/corroded |
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| connections, and repair/replace as necessary. |
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| 3. | Motor ON button or ON/OFF switch is at | 3. | Replace faulty ON button or ON/OFF switch. |
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| 4. | Motor is at fault. | 4. | Test/repair/replace. |
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Machine stalls or is | 1. | Plug/receptacle is at fault. | 1. | Test for good contacts; correct the wiring. | |
overloaded. | 2. | Motor bearings are at fault. | 2. | Test by rotating shaft; rotational grinding/loose shaft | |
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| requires bearing replacement. |
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| 3. | Motor is at fault. | 3. | Test/repair/replace. |
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Machine | has vibra- | 1. | Motor or component is loose. | 1. | Inspect/replace stripped or damaged bolts/nuts, and |
tion or noisy opera- |
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tion. |
| 2. | Motor shaft is bent. | 2. | Test with dial indicator and replace motor. |
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Sharpening Operations
Symptom |
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Drill bit will not fit | 1. | Wrong size collet. | 1. | Select a larger collet (Page 14). | ||
into collet. |
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Drill | bit moves in | 1. | Collet lock ring not secured. | 1. | Secure lock ring (Page 15). | |
collet. |
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Drill bit moves even | 1. | Wrong collet size. | 1. | Select correct collet size for drill bit. | ||
when | collet | ring is |
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secured. |
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Drill bit not sharp- | 1. | Bit not calibrated properly in collet. | 1. | |||
ened | to | desired | 2. | Point angle scale set to incorrect angle. | 2. | Adjust scale to correct angle (Page 16). |
point angle. |
| 3. | Bit sharpened unevenly or more pressure | 3. | Use even pressure to grind both sides of the bit. | |
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| front grinding area. |
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Drill bit point angle | 1. | Collet holder and bit not fully inserted into | 1. | Insert collet holder with bit correctly (Page 14) into | ||
or web not adjust- |
| front grinding or rear trimming area. |
| front grinding area and rear trimming area. | ||
ed. |
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| 2. | Bit not set correctly in collet holder. | 2. | Reset bit in collet holder. |
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| 3. | Adjusting block set too high. | 3. | Lower adjusting block. |
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H8203 Professional Drill Sharpening Machine |
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