8. Troubleshooting
The following table lists some problems that may be
encountered, with possible causes and solutions.
If a problem persists after reading through the Troubleshooting
section, contact your local dealer, distributor or Wallenstein.
Have the serial number ready.
Problem
Cause
Solution
Rotor does not turn.
Obstructed discharge.
Clear debris from discharge chute.
Rotor plugged.
Inspect and clear chipper hopper lower rotor housing and rotor.
Clutch seized.
Replace.
Loose or broken drive belt
Re-tension or replace drive belt.
Material feeding in too slow.
Engine or rotor speed to low.
Make sure choke is off. Set throttle to increase rotor rpm.
Blades or knives are dull or clearance incorrect.
Check rotor and ledger blades. Rotate, sharpen or replace.
Rotor blade knife edge angle incorrect.
Re-sharpen rotor knives to specified 45° angle and check that blade is
installed properly.
Obstructed discharge.
Clear debris from discharge chute.
Unusual machine vibration
while operating.
Broken or missing rotor blade.
Replace.
Rotor may be bent.
Check for rotor wobble. Replace rotor.
Rotor bearings failed.
Replace.
Loose fasteners.
Tighten. See common bolt torque tables
Mulch too Course
Chop Block or Twig Breaker may be damaged.
Inspect Chop Block and Twig Breaker. Replace if damaged.
Broken or missing blade or knife.
Replace.
Shredder knives installed incorrectly.
Check installation of knives and adjust as required. See
.
Machine requires excessive
power or stalls.
Obstructed discharge.
Clear debris from discharge chute.
Feeding in too much material.
Feed smaller amounts into shredder hopper.
Feeding material too quickly.
Feed larger material slowly into chipper hopper.
Rotor plugged.
Inspect and clear chipper hopper, lower rotor housing, and rotor. See
Green material does not discharge.
Allow material to dry or alternate dry/wet material.
Chipper blade clearance too large.
Set clearance. See
Dull rotor blades or ledger knife / shredder knives.
Rotate, sharpen or replace.
Engine Related Issues
Refer to the engine owner's manual.
Troubleshooting
BXMT4224 / BXMT4238
Trailer Chipper-Shredder
44
Summary of Contents for BXMT4224
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