Replacing The Spark Plug - Toro 38597 Operator's Manual

1. Back cover
4. Move the speed selector lever to Position R2.
5. Dip your finger in automotive engine oil and lightly
lubricate hex shaft.
6. Move the speed selector lever to Position 6.
7. Lubricate the other end of the hex shaft.
8. Move the speed selector lever forward and rearward
a few times.
9. Install the back cover and return the snowthrower
to the operating position.

Replacing the Spark Plug

Service Interval: Every 100 hours—Replace the spark
plug.
Use a Champion QC12YC or equivalent spark plug.
Note: To access the spark plug, you must first remove
the snow hood.
1. Remove the choke knob and the ignition key
(Figure 43).
1. Choke knob
2. Snow hood
2. Remove the 4 screws that secure the snow hood to
the snowthrower (Figure 43).
Figure 42
Figure 43
3. Ignition key
4. Screw (4)
3. Slowly remove the snow hood, ensuring that the
primer bulb hose and the ignition wire remain
connected.
4. Clean around the base of the spark plug (Figure 44).
5. Remove and discard the old spark plug.
6. Set the gap between the electrodes on a new spark
plug at 0.030 inch (0.76 mm) (Figure 45).
1. 0.030 inch (0.76 mm)
7. Install the new spark plug and tighten it firmly.
8. Ensure that the primer bulb hose and the ignition
wire are connected and clear of the carburetor
bracket.
9. Secure the snow hood to the snowthrower with the
4 screws that you previously removed.
10. Align the tab on the choke control knob with the
slot on the snow hood.
11. Connect the choke control knob to the choke shaft
on the carburetor.
20
Figure 44
Figure 45