Precleaner Blade Troubleshooting Guide

Problem Cause Solution
Uneven Blade Wear -
blade worn more in
center than at ends
Incorrect blade length Select blade width based on material path.
Rapid Blade Wear Incorrect cleaner and/or
blade
Select proper belt cleaner and blade based on belt width, belt
speed and head pulley diameter.
Incorrect tension Adjust tensioner according to applicable belt cleaner and/or
tensioner operator’s manual.
Incorrect mounting Verify correct mounting location according to applicable belt
cleaner operator’s manual.
Blade Flipping Through Incorrect cleaner and/or
blade
Select proper belt cleaner and blade based on belt width, belt
speed and head pulley diameter to ensure blade angle of attack
is correct.
Incorrect mounting Verify correct mounting location according to applicable belt
cleaner operator’s manual.
Incorrect tension (too low) Adjust tensioner according to applicable belt cleaner and/or
tensioner operator’s manual.
Blade Chattering or
Skipping on Belt
Belt is dry Select proper urethane for dry material, such as Martin® Clear
(CL) urethane.
Blade Urethane Melting Belt is dry, friction causes
heat to build up in blade
Select proper urethane for dry material, such as Martin® Clear
(CL) urethane.
Material being conveyed
is exceeding temperature
range of urethane
Select proper urethane for high temperature material, such as
Martin® High-Temp (GR) urethane.

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