39
Obstructed discharge.
Clear debris from discharge chute
(BXMC34B) or material screen
(BXMC34S).
Ensure machine is off
Rotor plugged.
Inspect and clear chipper hopper
lower rotor housing and rotor.
Ensure machine is off
Loose belt.
Follow tension adjustment
procedure and tighten belt.
Ensure machine is off
Brake Clutch spring
broken.
Remove belt shield and inspect
clutch spring.
Ensure machine is off, call
technician for repair
Broken belt.
Follow belt replacement procedure
and replace belt.
Ensure machine is off
Low engine speed.
Check that choke is off, and
throttle is set to maximum.
Blades and/or knives
are dull.
Rotate, sharpen or replace blade
and/or knives.
Ensure machine is off
Rotor blade angle
wrong, improper
angle.
Re-sharpen knives to specified
angle and check that blade is
installed properly.
Ensure machine is off
Collector bag full.
Detach and empty bag.
Ensure machine is off
Obstructed discharge.
Clear debris from discharge chute
(BXMC34B) or material screen
(BXMC34S).
Ensure machine is off
Screen plugged
discharge cage is full
Move chipper to new location and
clear screen (BXMC34S).
Ensure machine is off
Broken or missing
blade or knife.
Replace broken/missing blade or
knife.
Ensure machine is off.
Rotor may be bent
Check rotor to see if it wobbles.
Replace rotor
Ensure machine is off, call
technician for repair
ChopBlock or Twig
Breaker may be
damaged
Inspect ChopBlock and Twig
Breaker, replace if damaged.
Ensure machine is off.
Broken or missing
blade or knife.
Replace broken/missing blade or
knife.
Ensure machine is off.
Knives in shredder
improperly re-
installed
Check installation of knives and
adjust as required, per
maintenance instructions.
Ensure machine is off.
Improper mulch
screen installed
Replace with proper sized screen
for material (see accessories -
BXMC34S)
Ensure machine is off.
Mulch too Fine
Improper mulch
screen installed
Replace with proper sized screen
for material (see accessories -
BXMC34S)
Ensure machine is off.
Obstructed discharge.
Clear debris from discharge chute
(BXMC34B) or material screen
(BXMC34S).
Ensure machine is off
Engaging clutch too
quickly
Engage clutch slowly, ensure
hoppers and rotor housing are
empty.
Collector bag full.
Detach and empty bag.
Ensure machine is off
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.
Ensure machine is off
Allow material to dry or alternate
dry/wet material.
Use wet material screen (see
accessories - BXMC34S)
Ensure machine is off.
Chipper blade
clearance too large.
Set clearance to 1/32 to 1/16 " (.76 -
1.52 mm). Use chipper clearance
tool (see accessories)
Ensure machine is off.
Dull blades and/or
knives.
Rotate, sharpen or replace blade
and/or knives
Ensure machine is off.
Engine related issues.
Unusual vibration while
running.
Mulch too Course
Machine requires excessive
power or stalls.
Green material will
not discharge.
Refer to your engine instruction manual for specific trouble shooting instructions / requirements.
PROBLEM
CAUSE
SOLUTION
CAUTION
Rotor does not turn
Slow feeding.
Obstructed discharge.
Clear debris from discharge chute
(BXMC34B) or material screen
(BXMC34S).
Ensure machine is off
Rotor plugged.
Inspect and clear chipper hopper
lower rotor housing and rotor.
Ensure machine is off
Loose belt.
Follow tension adjustment
procedure and tighten belt.
Ensure machine is off
Brake Clutch spring
broken.
Remove belt shield and inspect
clutch spring.
Ensure machine is off, call
technician for repair
Broken belt.
Follow belt replacement procedure
and replace belt.
Ensure machine is off
Low engine speed.
Check that choke is off, and
throttle is set to maximum.
Blades and/or knives
are dull.
Rotate, sharpen or replace blade
and/or knives.
Ensure machine is off
Rotor blade angle
wrong, improper
angle.
Re-sharpen knives to specified
angle and check that blade is
installed properly.
Ensure machine is off
Collector bag full.
Detach and empty bag.
Ensure machine is off
Obstructed discharge.
Clear debris from discharge chute
(BXMC34B) or material screen
(BXMC34S).
Ensure machine is off
Screen plugged
discharge cage is full
Move chipper to new location and
clear screen (BXMC34S).
Ensure machine is off
Broken or missing
blade or knife.
Replace broken/missing blade or
knife.
Ensure machine is off.
Rotor may be bent
Check rotor to see if it wobbles.
Replace rotor
Ensure machine is off, call
technician for repair
ChopBlock or Twig
Breaker may be
damaged
Inspect ChopBlock and Twig
Breaker, replace if damaged.
Ensure machine is off.
Broken or missing
blade or knife.
Replace broken/missing blade or
knife.
Ensure machine is off.
Knives in shredder
improperly re-
installed
Check installation of knives and
adjust as required, per
maintenance instructions.
Ensure machine is off.
Improper mulch
screen installed
Replace with proper sized screen
for material (see accessories -
BXMC34S)
Ensure machine is off.
Mulch too Fine
Improper mulch
screen installed
Replace with proper sized screen
for material (see accessories -
BXMC34S)
Ensure machine is off.
Obstructed discharge.
Clear debris from discharge chute
(BXMC34B) or material screen
(BXMC34S).
Ensure machine is off
Engaging clutch too
quickly
Engage clutch slowly, ensure
hoppers and rotor housing are
empty.
Collector bag full.
Detach and empty bag.
Ensure machine is off
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.
Ensure machine is off
Allow material to dry or alternate
dry/wet material.
Use wet material screen (see
accessories - BXMC34S)
Ensure machine is off.
Chipper blade
clearance too large.
Set clearance to 1/32 to 1/16 " (.76 -
1.52 mm). Use chipper clearance
tool (see accessories)
Ensure machine is off.
Dull blades and/or
knives.
Rotate, sharpen or replace blade
and/or knives
Ensure machine is off.
Engine related issues.
Unusual vibration while
running.
Mulch too Course
Machine requires excessive
power or stalls.
Green material will
not discharge.
Refer to your engine instruction manual for specific trouble shooting instructions / requirements.
PROBLEM
CAUSE
SOLUTION
CAUTION
Rotor does not turn
Slow feeding.