18
MHCP Primary Cleaner
Section 7 – Troubleshooting
Problem
Possible Cause
Possible Solutions
Poor cleaning
performance
Cleaner under-tensioned
Adjust to correct tension – see spring length/kPa chart
Cleaner over-tensioned
Adjust to correct tension – see spring length/kPa 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 spring length/kPa 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
Centre 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 spring length/kPa 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
