Filling The Fuel Tank; Operation; Operating Controls; Starting The Engine - Toro 38172 Operator's Manual

2. Add the full amount of Toro 50:1 2-Cycle Oil (Fuel
Stabilizer Added) or an equivalent high grade, NMMA
TCW-certified two-cycle oil to the gasoline according
to the chart below:
50:1 Gasoline-to-Oil Ratio Mixing Chart
Gasoline
1 gallon (4 liters)
2 gallons (8 liters)
5 gallons (20 liters)
Important
For a new engine, use twice the normal
amount of oil to mix with the very first gallon of gasoline.
Thereafter, use the amount of oil indicated in the chart
above.
3. Install the cap on the fuel container.
4. Shake the container to mix the gasoline and oil
thoroughly.
5. Slowly remove the cap and add the remaining amount
of gasoline.

Filling the Fuel Tank

Important
Do not overfill the fuel tank. The
gasoline-and-oil mixture must have room to expand.
1. Clean around the fuel tank cap (Fig. 4); do not allow
snow or water to enter the fuel tank.
1
Figure 4
1. Fuel tank cap
2. Remove the fuel tank cap and fill the fuel tank with the
gasoline-and-oil mixture to within 1/4 inch (6 mm)
from the top of the tank. Do not fill into the filler neck.
3. Install the fuel tank cap securely and wipe up any
spilled fuel.
Oil
2.6 ounces (80 ml)
5.2 ounces (160 ml)
13 ounces (400 ml)
m-3993
9

Operation

Note: Determine the left and right sides of the machine
from the normal operating position.

Operating Controls

The snowthrower control panel contains a key switch, a
primer, a recoil starter, and an electric-start button (electric-
start model only). The choke lever is just below the lower
left corner of the control panel (Fig. 5).
2
1
Figure 5
1. Choke lever
2. Key switch
3. Primer
4. Recoil starter

Starting the Engine

1. Turn the key to the On position.
2. Move the choke lever to the On (far right) position.
3. Cover the hole in the center of the primer with your
thumb and slowly push the primer in twice, pausing a
moment between pushes. In extremely cold
temperatures, repeat this step if necessary.
Note: Take off your glove when you push in the primer so
that air cannot escape from the primer hole.
Note: Do not use the choke or the primer when starting a
warm engine.
4. Start the engine by doing the following:
For a recoil starter: Hold the snowthrower with one
hand and pull the recoil starter vigorously with the other
hand.
For an electric starter (electric-start model only):
A. Connect the power cord to the snowthrower and to a
standard household power outlet.
3
4
5
6
919
5. Electric-start button
(electric-start model only)
6. Power cord connection
(electric-start model only)