M1109 Combo Lathe/Mill
SYMPTOM
POSSIBLE CAUSE
CORRECTIVE ACTION
Loud, repetitious | 1. | Pulley setscrews or keys are missing or loose. | 1. | Inspect keys and setscrews. Replace or tighten if |
noise coming |
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from machine | 2. | Motor fan is hitting the cover. | 2. | Tighten fan or shim cover, or replace items. |
at or near the |
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motor. |
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Carriage hard to | 1. | Carriage lock is tightened down. | 1. | Check to make sure table locks are fully released. |
move. | 2. | Chips have loaded up on bedways. | 2. | Frequently clean away chips that load up during |
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| turning operations. |
| 3. | Bedways are dry and in need of lubrication. | 3. | Lubricate bedways and handles. |
| 4. | Longitudinal stops are interfering. | 4. | Check to make sure that stops are floating and not |
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| hitting the center stop. |
| 5. | Gibs are too tight. | 5. | Loosen gib screw(s) slightly. |
Gear change | 1. | Gears not aligned in headstock. | 1. | Rotate spindle by hand until gear falls into place. |
levers will not |
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shift into posi- |
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tion. |
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Motor overheats. | 1. | Motor overloaded. | 1. | Reduce load on motor. |
| 2. | Air circulation through the motor restricted. | 2. | Clean out motor to provide normal air circulation. |
Loud, repetitious | 1. | Gears not aligned in headstock or no back- | 1. | Adjust gears and establish backlash. |
noise coming |
| lash. |
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from machine. | 2. | Broken gear or bad bearing. | 2. | Replace broken gear or bearing. |
| 3. | Workpiece is hitting stationary object. | 3. | Stop lathe immediately and correct interference |
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| problem. |
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Tailstock quill | 1. | Quill lock lever is tightened down. | 1. | Turn lever counterclockwise. |
will not feed out |
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of tailstock. |
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Motor is loud | 1. | Excessive depth of cut or feed rate. | 1. | Decrease depth of cut or feed rate. |
when cutting. | 2. | RPM or feed rate wrong for cutting | 2. | Refer to RPM feed rate chart for appropriate rates. |
Overheats or |
| operation. |
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bogs down in the | 3. | Cutting tool is dull. | 3. | Sharpen or replace the cutting tool. |
cut. | 4. | Gear setup is too tight, causing them to | 4. | Readjust the gear setup with a small amount of |
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| bind. |
| backlash so the gears move freely and smoothly |
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| when the chuck is rotated by hand. |
SERVICE
