Troubleshooting - BBT -MUL-7HPES Owner's Manual

PROBLEM
Engine fails to start
Engine runs erratic
Too much vibration
Engine overheats
Occasional skip
(hesitates)
Unit does not discharge
Rate of discharge slows
BBT-MUL-7HPES

TROUBLESHOOTING

CAUSE
1. Spark plug lead disconnected.
2. Fuel tank empty or stale fuel.
3. Throttle control lever not in
correct starting position.
4. Choke not in CHOKE position.
5. Fuel supply in OFF position.
6. Blocked fuel line.
7. Faulty spark plug.
8. Low oil level.
1. Spark plug lead loose.
2. Unit running on CHOKE.
3. Blocked fuel line or stale fuel.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Carburettor out of adjustment.
1. Loose parts or damaged impeller.
1. Engine oil level low.
2. Dirty air cleaner.
3. Carburettor not adjusted properly.
1. Spark plug gap too close.
1. Discharge chute clogged.
2. Foreign object lodged in impeller.
3. Low engine RPM.
1. Low engine RPM.
2. Chipper blade dull.
REMEDY
1. Connect lead to spark plug.
2. Fill tank with clean, fresh petrol.
3. Move throttle lever to FAST
position.
4. Move choke to CHOKE position.
5. Turn fuel to ON.
6. Clean fuel line.
7. Clean, adjust gap, or replace.
8. Fill.
1. Connect and tighten spark plug
lead.
2. Move choke lever to OFF position.
3. Clean fuel line; fill tank with
clean, fresh fuel.
4. Drain fuel tank. Refill with fresh
fuel.
5. Clean or replace air cleaner.
6. See authorised service dealer.
1. See authorised service dealer.
1. Fill crankcase with oil.
2. Clean or replace air cleaner.
3. See authorised service dealer.
1. Adjust gap.
1. Stop engine immediately and
disconnect spark plug lead. Clean
screen and inside of discharge
opening.
2. Stop engine and disconnect spark
plug lead. Remove lodged object.
3. Always run engine at full throttle.
1. Always run engine at full throttle.
2. Replace chipper blade or see your
authorised service dealer.
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