TROUBLESHOOTING
This section covers the most common machine problems encountered in planing and what to do about them. Refer also to Section 7: Operations, Wood Characteristics for additional guidelines on processing problems. Do not make any adjustments until planer is unplugged and moving parts have come to a com- plete stop.
SYMPTOM | POSSIBLE CAUSE | CORRECTIVE ACTION | |||
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Motor will not start. | 1. | Low voltage. | 1. | Check power line for proper voltage. | |
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| 2. | Open circuit in motor or loose | 2. | Inspect all lead connections on motor for loose or open connec- |
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Motor will not start; fuses or | 1. | Short circuit in line cord or plug. | 1. | Inspect cord or plug for damaged insulation and shorted wires. | |
circuit breakers blow. | 2. | Short circuit in motor or loose | 2. | Inspect all connections on motor for loose or shorted terminals or | |
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| connections. |
| worn insulation. |
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| 3. | Incorrect fuses or circuit break- | 3. | Install correct fuses or circuit breakers. |
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| ers in power line. |
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Motor overheats. | 1. | Motor overloaded. | 1. | Reduce depth of cut. | |
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| 2. | Air circulation through the motor | 2. | Clean out motor to provide normal air circulation. |
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Motor | stalls (resulting in | 1. | Short circuit in motor or loose | 1. | Inspect connections on motor for loose or shorted terminals or |
blown fuses or tripped cir- |
| connections. |
| worn insulation. | |
cuit). |
| 2. | Low voltage. | 2 | Correct the low voltage conditions. |
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| 3. | Incorrect fuses or circuit break- | 3. | Install correct fuses or circuit breakers. |
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| ers in power line. |
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| 4. | Motor overloaded. | 4. | Reduce load on motor. |
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Motor arcing visibly through | 1. | Brushes sticking. | 1. | Check that brush holder is free of dirt and that brush moves freely. | |
vents or runs erratically. | 2. | Brushes worn. | 2. | Replace both brushes. | |
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Machine slows when oper- | 1. | Depth of cut too great. | 1. | Reduce depth of cut. | |
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| 2. | Brushes worn. | 2. | Replace both brushes. |
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Machine is loud when cut- | 1. | Excessive depth of cut. | 1. | Decrease depth of cut. | |
ting. Overheats or bogs | 2. | Blades are dull. | 2. | Sharpen blades. | |
down in the cut. | 3. | Blade holder or blade assembly | 3. | Recheck complete blade installation and tighten all screws. | |
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| mounting is loose. | 4. | Replace belt. |
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| 4. | Belt is worn or loose. |
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| 5. | Short circuit in motor. | 5. | Inspect by qualified electrical technician. |
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Planer starts, but cutterhead | Worn or broken belt. | Replace belt. | |||
does not move. |
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Planer | starts, cutterhead | 1. | Blade not extending far enough. | 1. | Increase depth of cut. |
turns, no cut. | 2. | Belt worn or slipping. | 2. | Replace belt. | |
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Loud, repetitious noise com- | 1. | Blades are dull. | 1. | Sharpen blades. | |
ing from machine | 2. | Excessive depth of cut. | 2. | Decrease depth of cut. | |
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| 3. | Cutting against natural wood grain. | 3. | Reverse cutting direction. |
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| 4. | High wood moisture content. | 4. | Dry wood. |
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Cannot control snipe. | Long or heavy board sags as it enters | Lift up on unsupported end of board as it enters and exits cutterhead. | |||
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G8794 121⁄2" Portable Planer |