Echo SC-4213 Operator's Manual page 24

TROUBLESHOOTING
PROBLEM
Cannot engage belt
Excessive belt wear
Hard to feed chipper,
requires excessive
power to chip
Excessive vibration
while running
20
POSSIBLE CAUSES
Improper belt installation, belt not under belt
guide
Improper belt tension
Not using correct belt
Pulley(s) damaged or worn
Pulley(s) not in alignment
Belt(s) tension too loose
Dull chipper blades
Obstructed discharge
Improper blade clearance
Dull chipper blades
Drive system vibration
Rotor out of balance
Chipper blade to anvil clearance is incorrect
3 INCH CHIPPER/SHREDDER
REMEDY
Install belt properly, install belt under belt
guide
Adjust belt tension, Replace belt or belt
tension spring if needed
Contact your nearest authorized dealer to
order the correct belt for your chipper
Replace pulley(s)
Align pulley(s) to within 1/16" with straight
edge
Replace belt or belt tension spring
Flip, sharpen, or replace
Use branch or similar object to clear
discharge tube
Set blade/anvil clearance to recommended
distance
Flip, sharpen, or replace
Check drive belts, bearings, and pulleys for
bad or worn areas. Check for dull chipper
blades.
Inspect rotor for damaged or missing
chipper blades, replace if needed
Set blade/anvil clearance to recommended
distance