Wallenstein BXR Series, Operator'S Manual

Page: 61 / 72

BX52R, BX72R, BX102R
3 PH Roller-feed Chipper
Service and Maintenance
61
7.11 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.
Broken Shear pin. Replace.
Material feeding in too slow
Engine or rotor speed to low. 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.
P3 PULSE programing incorrect. Adjust programming. See page 31 .
Slow hydraulic flow. See Flow Control Valve Adjustment page 29.
Lower roller is jammed (not cleaned out from last
use).
Open lower roller clean out and remove debris. Jammed debris could
freeze in colder weather.
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 torque tables page 64.
Machine requires excessive
power or stalls
Obstructed discharge. Clear debris from discharge chute.
Feeding in too much material. P3 PULSE programing incorrect. Adjust programming. See page 31 .
Feeding material too quickly. P3 PULSE programing incorrect. Adjust programming. See page 31 .
Rotor plugged. Inspect and clear chipper hopper lower rotor housing and rotor.
Green material does not discharge. Allow material to dry or alternate between dry and wet material.
Space between rotor blade and ledger knife too large. Use ledger gauge tool to check clearance. See page 57 .
Dull blades.
Check rotor and ledger blades. Rotate, sharpen or replace. See page
56 .
Poor Chip Quality
Dull blades.
Check rotor and ledger blades. Rotate, sharpen or replace. See page
56 .
Poor quality material. Material is small or rotting. Mix with higher quality material.
Knife clearance incorrect. Check and adjust as required. See page 57.