COMMON GRINDER PROBLEMS |
||
SYMPTOM |
POSSIBLE PROBLEM |
CORRECTIVE ACTION |
|
|
|
Poor quality regrind - high % of fines |
Dull Knives |
Sharpen or replace with new |
Increased vibration |
Knives not properly gapped |
Re-gap knives |
Increased noise |
Plugged screen |
Clean screen |
|
Rotor speed is to high |
Change pulleys and/or motor |
|
|
|
Reduced throughput |
Dull knives |
Sharpen or replace with new |
|
Knives not properly gapped |
Re-gap knives |
|
Plugged screen |
Clean screen |
|
Rotor speed is too high |
Change pulleys and/or motor |
|
|
|
Rotor stalls |
Dull knives |
Sharpen or replace with new |
|
Knives not properly gapped |
Re-gap knives |
|
Plugged screen |
Clean screen |
|
Overloading the machine |
Reduce the feed rate |
|
Loose or worn belts |
Tighten or replace |
|
|
|
Motor will not start |
Safety limit switch open |
Check all limit switches |
|
Blown fuse or breaker |
Replace or reset |
|
|
|
Regrind collection bin overfill |
No high level indicator |
Install |
|
High level indicator broken |
Replace |
|
Vacuum line plugged |
Check vacuum evacuation system |
|
|
|
Copyright 2016-2019 All rights reserved. - Services For Plastics, Inc.