Fuel Tank; Pre-Start - Ariens 939 SNO-THRO 939001 Service Manual

6. Insert key into ignition switch on engine and push
into RUN position. DO NOT twist key after it is
inserted.
7. If engine is cold, apply choke. A warm engine
requires less choking than a cold engine. See
Engine Manual for detailed instructions.
8. Set throttle to proper starting position.
9. Press starter button on engine until engine starts.
IMPORTANT: DO NOT operate starter more than 15
seconds per minute, as overheating and damage can
occur. (If engine does not start, refer to
Troubleshooting.)
10.Adjust choke as needed.
11.Disconnect extension cord from outlet first, then
starter.
12.Set throttle to PART THROTTLE or SLOW position
for travel or adaptation to outside temperature.
Once achieved, set throttle to FAST position for
normal operation.
Shut Off
1. Release traction drive clutch lever and allow unit to
come to a complete stop.
2. Run Impeller a few minutes after use to keep
impeller from freezing up.
3. Release attachment clutch lever and wait for all
moving parts to come to a complete stop.
4. Move throttle to STOP position.
5. Remove key.

4.5 FUEL TANK

To add fuel to the fuel tank:
1. ALWAYS place unit in open or well- ventilated area.
2. Stop engine and allow to cool.
3. Clean fuel cap and surrounding area to prevent dirt
from entering fuel tank.
4. Remove cap.
IMPORTANT: DO NOT use gasohol or gasoline
containing alcohol. See Engine Manual for correct type
and grade of fuel.
5. Fill fuel tank to within 1/2 in. (1.2 cm) below bottom
of filler neck with unleaded gasoline.
NOTE: Tank capacity is 2.0 (1.96) for 939001 or
939002, 3.0 (2.8) for 939300.
6. Replace fuel cap and tighten.
7. ALWAYS clean up any spilled fuel.
WARNING: POTENTIAL HAZARD! Fuel is
extremely flammable and highly explosive.
Personal injury and property damage may
result if not handled properly.
• Fill the fuel tank outdoors in an open area.
• Do not fill when the engine is hot. Wipe up
any fuel spills.
• Never fill the fuel tank completely full.
Empty space in tank allows fuel to
expand.
• Never smoke when handling fuel. Stay
away from open flames. Fuel fumes can
be ignited by sparks.

4.6 PRE-START

Frozen Impeller
IMPORTANT: Before starting engine, check impeller to
be sure it is not frozen.
To check impeller:
1. With key in STOP position, squeeze attachment
clutch lever to engaged position.
2. Pull recoil starter handle. If you cannot pull handle,
impeller is frozen.
3. If impeller is frozen, move unit to a heated area
and thaw to prevent possible damage.
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