CAUTION
1. FOR THE SAFETY OF THE USER, AND TO MAXIMIZE THE LIFE OF THE ENGINE, IT IS CRUCIAL TO
TAKE TIME TO CHECK THE CONDITION OF THE ENGINE.
2. PROBLEMS MUST BE CORRECTED BEFORE OPERATING.
3. AVOID INJURY! ENGINE OIL IS HAZARDOUS TO YOUR HEALTH. DISPOSE OF OIL APPROPRIATELY.
4. USE A SAFE DISPOSAL/RECYCLING CENTER.
TROUBLESHOOTING CHART
1. While normal care and regular maintenance will extend the life of your equipment, prolonged or constant use
may eventually require that service be performed to allow it to continue operating properly.
2. The troubleshooting guide below lists the most common problems, their causes, and remedies.
3. See the information on the following pages for instructions on how to perform most of these minor adjustments
and service repairs yourself. If you prefer, all of these procedures can be performed for you by your local autho-
rized dealer.
WARNING
1. TO AVOID SERIOUS INJURY, PERFORM MAINTENANCE ON THE UNIT ONLY WHEN THE ENGINE IS
STOPPED.
2. ALWAYS DISCONNECT THE SPARK PLUG WIRE AND FASTEN IT AWAY FROM THE PLUG BEFORE
BEGINNING THE MAINTENANCE, TO PREVENT ACCIDENTAL STARTING OF THE ENGINE.
10
Problem(s)
Engine won't start
Engine exhaust is black
Engine stops suddenly
Engine runs but no
material is discharged
Chipping action slow,
or engine stalling
Unusual noise or
vibration when
chipping materia
Possible Cause
1. No fuel.
2. Choke not in START position.
3. Low quality or deteriorated, old gasoline.
4. Dirty fuel passageways.
5. Spark plug cap not connected securely.
6. Spark plug fouled.
7. No compressions. Problem after long storage
periods.
8. Low engine oil.
1. Dirty air filter.
2. Choke closed.
1. Fuel tank empty or full of impure or low quality
gasoline.
2. Low oil shutdown.
3. Disconnected or improperly connected spark
plug cap.
4. The limb is too long.
1. Discharge chute clogged.
2. Engine not running at full speed.
1. Branch diameter is too thick.
2. Throttle set is too slow.
3. Tree limbs are extremely hard or dried out.
1. Rotor overloaded with material.
2. Hammers are broken, bent, or loose.
3. Hammers frozen in place.
Corrective Action
1. Add fuel.
2. Turn choke to START position.
3. Use fresh unleaded gasoline.
4. Clean out passageways using fuel additive.
Heavy deposits may require further cleaning.
5. Connect spark plug cap properly.
6. Remove spark plug. Clean/replace as
recommended in engine manual.
7. Lubricate the cylinder, pour tablespoon of oil
into spark plug hole. Crank engine a few times
and try to start again.
8. Add engine oil to proper level.
1. Replace air filter.
2. Open choke.
1. Add fuel tank with fresh unleaded gasoline.
2. Fill engine oil to proper level.
3. Secure spark plug cap.
4. If the limb diameter for the side chute in 2"-3"
and the length over 31" long, suggest the
operator should help the limb feeding by
slightly holding to keep the rotate speed.
1. Clean out debris.
2. Set throttle control to FAST if equipped.
1. Do not process branches over 3" diameter.
2. Adjust throttle to increase engine speed.
3. Material is not suitable for chipping.
1. Allow unit to clear itself before adding more
material to the hopper.
2. Check assembly. Tighten or replace as
necessary.
3. Check for obstructions and debris. Repair or
replace as necessary.
