Troubleshooting - Ariens AC Series Owner's/Operator's Manual

ENGINE WILL
NOT START
1. Check control
positions.
2. Check fuel.
3. Remove and
inspect spark
plugs.
4. Take engine to
an authorized
servicing dealer,
or refer to
manual.
ENGINE LACKS
POWER
5. Check air filter.
6. Check fuel.
7. Take engine to
an authorized
servicing dealer,
or refer to
manual.
ENGINE
OPERATES
ERRATICALLY
8. Check spark
plug.
9. Check air
cleaner

TROUBLESHOOTING

Possible Cause
Engine switch OFF.
Out of fuel.
Bad fuel; engine stored
without treating or draining
gasoline, or refueled with
bad gasoline.
Spark plugs faulty, fouled, or
improperly gapped.
Spark plugs wet with fuel
(flooded engine).
Fuel filter clogged,
carburetor malfunction,
ignition malfunction, valve
stuck, etc.
Possible Cause
Filter element(s) clogged.
Out of fuel.
Bad fuel; engine stored
without treating or draining
gasoline, or refueled with
bad gasoline.
Fuel filter clogged,
carburetor malfunction,
ignition malfunction, valve
stuck, etc.
Possible Cause
Spark plug is defective.
Spark plug gap is incorrect.
Air cleaner element is dirty.
EN - 17
Correction
Turn engine switch to ON.
Refuel.
Drain fuel tank and carburetor.
Refuel with fresh gasoline.
Gap, or replace spark plugs.
Dry and reinstall spark plugs. Start
engine with control lever in FAST
position.
Replace or repair faulty
components as necessary.
Correction
Clean or replace filter element(s).
Refuel.
Drain fuel tank and carburetor.
Refuel with fresh gasoline.
Replace or repair faulty
components as necessary.
Correction
Install new, correctly gapped plug,
Set gap between electrodes to .028
– .031" (0.7 – 0.8 mm).
Clean air cleaner element.