Wallenstein BXT4224 Operator's Manual page 60

Troubleshooting
Problem Possible cause
The machine The discharge chute is obstructed.
needs excessive
Too much material is being put into the chipper
power or the
hopper.
engine stalls.
Material is being put into the chipper hopper
too quickly.
The rotor is blocked.
Wet (green) material does not discharge.
The ledger knife clearance is incorrect.
The knives are not sharp or the clearance is
incorrect.
There is a problem with the engine.
The drive belt is The drive belt is loose, worn, or the tension is
noisy or there is too tight.
premature wear.
An incorrect replacement belt was installed.
The rotor sheave is misaligned.
The rotor is blocked.
The rotor sheave is worn.
There is lubricant (for example, oil or grease)
on the drive system components.
The rotor bearings are worn or damaged.
Solution
Clear all debris from the discharge chute.
Place smaller amounts of material in the chipper hopper.
Place large material into the chipper hopper slowly.
Clear the blockage. For instructions, see page 34.
Wait for the material to dry or alternate between dry and wet material.
Use a ledger-knife clearance gauge to set the correct space. For
instructions, see page 57.
Check the rotor and ledger knives. Rotate, sharpen, or replace the knives,
if necessary. For instructions, see page 55 and page 56.
See the engine manufacturer's manual.
Examine the drive belt. Adjust the tension or replace the drive belt, if
necessary. For instructions, see page 51.
Replace the drive belt. For instructions, see page 51.
Check the rotor sheave alignment. Adjust the alignment, if necessary. For
instructions, see page 54.
Clear the blockage. For instructions, see page 34.
Inspect the rotor sheave and bearings. Replace components, if necessary.
Find the source of the lubricant and correct the situation. Clean the drive
system components. The drive belt may need to be replaced.
Inspect the rotor bearings. Replace a worn or damaged bearing.
60
BXT Series
Wood Chipper