Symptoms |
Possible Cause |
Solution |
Bowl does not turn |
- Part jammed in feeder
- Air clutch is not engaged (scallop style feeder only)
|
- Lock-out/tag-out; remove jammed part
- Check main air supply; check solenoid valve operation
|
Bowl and disc turn but parts jam |
- Bowl or prefeeder speed incorrect
- Incorrect part
- Tooling or air selectors need adjustment
|
- Check factory recommended settings. Correctly set bowl and prefeeder speedsCheck factory recommended settings. Correctly set bowl and prefeeder speeds
- Check changeover instructions. Verify system is set up for part to be run
- Contact Hoosier Feeder Company for assistance
|
Surface of parts scuffed or scratched |
- Foreign debris in feeder
- Parts scratched prior to introduction to the feeder
|
- Lock-out/tag-out: Clean feeder bowl and center disc to remove any particulate or dust.
- Check upstream equipment for proper operation; Check product supply
|
Output rate is too low: parts exit the feeder correctly |
- Bowl or prefeeder speed incorrect
- Feeder overloaded; too many parts in the feeder
- Feeder is "starved" for parts
- Air supply is off or not set correctly
- Foreign debris stuck in tooling disturbing part flow through system
|
- Check bowl speed; reset to original speed specifications
- Check the prefeeder speed. Check bowl level sensor location and operation. Clean sensor
- Make sure the prefeeder is set at the correct rate, and there are sufficient parts in the prefeeder hopper. Check bowl level sensor location and operation. Clean sensor
- Check the air pressure settings on the regulators . Make sure all air selectors are blowing air and clear of debris
- Watch the feeder in operation and watch part flow. Lock-out/tag-out; remove debris as necessary
|
Product backs up into the feeder |
- Max level sensor not operating properly
|
- Check sensor for proper operation; clean sensor fibers with soft dry cloth
|
Parts in the incorrect orientation exit the feeder |
- Feeder overloaded; too many parts in the feeder
- Air pressure to selectors not set correctly
- Incorrect part
- Tooling or air selectors need adjustment
|
- Check the prefeeder speed. Check bowl level sensor location and operation. Clean sensor
- Check the air pressure settings on the regulators . Make sure all air selectors are blowing air and clear of debris
- Check changeover instructions. Verify system is set up for part to be run
- Contact Hoosier Feeder Company for assistance
|
Feeder Stopped |
- Safety door(s), guards or covers are open
- Max level on output conveyor reached
|
- Check all safety doors, guards, and covers for proper alignment
- Feeder may be designed to start and stop on demand from downstream operations
|
Product continues to travel around feeder but nothing comes out |
- Inhibit gate or back pressure relief solenoid not operating properly
- Foreign debris stuck in tooling disturbing part flow through system
|
- Verify inhibit cyinder operations; check air pressure setting for cylinder or solenoid
- Watch the feeder in operation and watch part flow. Lock-out/tag-out; remove debris as necessary
|