Echo 73454 Owners Manual v.3 - Manual (Page 33)

4 INCH CHIPPER 31
TROUBLESHOOTING
Problem PoSSible cauSe remedY
Excessive vibration while
running.
drive system vibration.
Check drive belts and pulleys for bad or worn areas.
Check for dull chipper blades.
Solid object jammed in the unit.
Check and remove obstruction.
disk out of balance.
Inspect disk for broken or missing chipper blades;
replace if needed. Check disk to see if it wobbles.
Check to see if disk is assembled correctly.
Chipper blade/anvil clearance is incor-
rect. Set chipper blade/anvil clearance to recommended
distance (1/16" to 1/8").
Engine crankshaft is bent or damaged. See Engine Service dealer.
loose or missing bolts on unit. tighten or replace bolts.
disk will not turn.
drive belt too loose or broken. Replace belt or spring.
obstructed discharge.
Use branch or similar object to clear discharge.
plugged disk. Clear disk. Feed material more evenly.
Cannot engage belt.
Improper belt installation. Install belt properly.
Improper belt tension. Replace belt or spring.
trailer sways during towing. tire air pressure not correct Check tire sidewall for inflation limits.