Flexco MMP Precleaner, Installation, Operation And Maintenance Manual

20

MMP Precleaner

Section 7 - Troubleshooting

Problem

Possible Cause

Possible Solutions

Poor Cleaning 

Performance

Cleaner under-tensioned

Adjust to correct tension - see chart

Cleaner over-tensioned

Adjust to correct tension - see chart

Cleaner installed in wrong location

Verify "C" dimension, relocate to correct dimension

Cleaner blade worn or damaged

Replace cleaner blade

Rapid Blade Wear

Tension on cleaner too high/low

Adjust to correct tension - see chart

Cleaner not located correctly

Check cleaner location for correct dimensions

Blade attack angle incorrect

Check cleaner location for correct dimensions

Material too abrasive for blade

Option: switch to alternate cleaner with metal blades

Mechanical splice damaging blade

Repair, skive or replace splice

Center wear on blade 

(smile effect)

Blade wider than material path

Replace blade with width to match material path

Tension on cleaner too high/low

Adjust to correct tension - see chart

Unusual wear or 

damage to blade

Mechanical splice damaging blade

Repair, skive or replace splice

Belt damaged or ripped

Repair or replace belt

Cleaner not correctly located

Verify "C" dimension, relocate to correct dimension

Damage to pulley or pulley lagging

Repair or replace pulley

Vibration or noise

Cleaner not located correctly

Verify "C" dimension, relocate to correct dimension

Blade attack angle incorrect

Verify "C" dimension, relocate to correct dimension

Cleaner running on empty belt

Use a spray pole when the belt is empty

Cleaner tension too high/low

Adjust to correct tension or slight adjust to diminish

Cleaner locking bolts not secure

Check and tighten all bolts and nuts

Cleaner not square to head pulley

Verify "C" dimension, relocate to correct dimension

Material buildup in chute

Clean up build-up on cleaner and in chute

Cleaner being pushed 

away from pulley

Cleaner tension not set correctly

Ensure correct tension/increase tension slightly

Sticky material is overburdening cleaner

Increase tension; replace with cleaner with metal tips; 

replace with larger size cleaner

Cleaner not set up correctly

Confirm location dimensions are equal on both sides