Emptying The Fuel Tank; Storage; Preparing The Fuel System; Preparing The Engine - Toro 38173 Operator's Manual

Figure 17
2. 0.030 in. (0.76 mm)
9. Install the spark plug by hand and then torque it to
.
15 ft-lb (20.4 N m). If you do not have a torque wrench,
tighten the spark plug firmly.
10. Connect the wire to the spark plug.
11. Install the control panel.
12. Insert the key in the switch.

Emptying the Fuel Tank

1. Stop the engine and wait for all moving parts to stop.
2. Remove the key from the switch.
3. Remove the fuel tank cap and use a hand pump to pump
the fuel into an approved fuel container.
4. Start the engine and allow it to run until it stops. Repeat
this step two more times to ensure that the fuel tank and
the carburetor are empty.

Storage

Warning
Gasoline fumes are highly flammable, explosive,
and dangerous if inhaled. If the product is stored
in an area with an open flame, the gasoline fumes
may ignite and cause an explosion.
Do not store the snowthrower in a house (living
area), basement, or any other area where ignition
sources may be present, such as hot water and
space heaters, clothes dryers, furnaces, and other
like appliances.

Preparing the Fuel System

1. Add a fuel stabilizer/conditioner to the fuel in the fuel
1
Note: If you use Toro 50:1 2-Cycle Oil (Fuel Stabilizer
Added), you do not need to add a fuel stabilizer/conditioner.
2. Run the engine for five minutes to distribute the
3. Stop the engine and allow it to cool.
4. Use a hand pump to pump the fuel from the fuel tank
5. Start the engine and run it until it stops.
6. Choke or prime the engine, start it a third time, and run
7. Dispose of unused fuel properly. Recycle it according to
Note: Do not store stabilized fuel for more than 90 days.

Preparing the Engine

This procedure allows you to close both the intake and
exhaust ports of the engine, preventing cylinder bore
corrosion.
1. Slowly pull the recoil starter until you feel resistance
2. Release the starter tension gradually by allowing the
17
tank as directed.
conditioned fuel through the fuel system.
into an approved fuel container, or run the engine until
it stops.
the engine until it will not start.
local codes, or use it in your automobile.
due to compression pressure, then stop.
rope to go back slowly to prevent the engine from
reversing due to compression pressure.