Echo 74624 Owners Manual v.2 - Manual (Page 27)

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before performing any of the corrections in this troubleshooting chart, refer to the appropriate information contained in
this manual for the correct safety precautions and operating or maintenance procedures. Contact your nearest dealer
or the factory for service problems with the machine.
TroubleshooTing
Problem Possible cause correcTion
dull chipping blades. Sharpen or replace.
drive belts loose or worn. Replace drive belts, or increase spring tension
too large of branch. limit branch size.
Solid object jammed in the unit.
Check and remove.
broken or missing chipper blade. Replace blade.
Solid object jammed in the unit. Check and remove obstruction.
Chipper blade loose or damaged. tighten or replace.
Engine crankshaft is bent or damaged. See Engine Service dealer.
loose or missing bolts on unit. tighten or replace bolts.
Chipped or broken chipper blades. Replace chipped or broken blades.
bad spark plug. Inspect spark plug and replace if necessary.
Incorrect choke setting. Change choke setting.
dirty air filter. Clean or replace.
Stale gasoline. drain gasoline and add fresh fuel.
dirt or water in fuel tank. Contact engine service dealer.
gas tank is empty. Fill gas tank.
Spark plug wire is disconnected. Connect loose wire to spark plug.
Spark plug is defective. Replace spark plug.
gas line is obstructed. Remove gas line at carburetor and check for
obstruction. drain gas tank and refill with fresh,
clean gasoline.
dirty, stale, water-contaminated gas. drain tank and fill with fresh gasoline.
Flooded engine. Put throttle control in run position and crank
engine several times to clear out excess gas.
dirty or plugged air cleaner. Clean air cleaner and replace.
Chipper does not chip. Poor
performance.
unusual vibration or noise.
Engine won't start or is hard to start.
Engine runs poorly.
Section
6