Toro 08703 Operator's Manual page 32

•
High Idle: 3400 + 50
•
Low Idle: 1750 + 100
Adjusting the Choke Control
1. Pivot the seat upward.
2. Loosen the cable clamp screw securing the cable to the
engine (Figure 37).
3. Move the remote choke control lever forward to the
Closed position.
4. Pull firmly on the choke cable (Figure 37) until the
choke butterfly is completely closed; then tighten the
cable clamp screw.
Adjust the Engine Governor Speed
Control
Important: Before the engine governor speed control
is adjusted, the throttle and choke controls must be
adjusted properly.
WARNING
The engine must be running during adjustment of
the engine governor speed control. Contact with
moving parts or hot surfaces may cause personal
injury.
• Ensure traction pedal is in neutral and engage
the parking brake before performing this
procedure.
• Keep hands, feet, clothing, and other body parts
away from any rotating parts, the muffler, and
other hot surfaces.
Note: To adjust the low idle, use all the following steps. If
only the high idle is to be adjusted, proceed directly to step 5.
1. Start the engine and let it run at half throttle for
approximately five minutes to warm up.
2. Move the throttle control to the Slow setting. Adjust
the idle stop screw counterclockwise until it no longer
contacts the throttle lever.
3. Bend the governed idle spring anchor tang (Figure 38)
to attain an idle speed of 1725±50 RPM. Check the
speed with a tachometer.
Shown with Carb Adapter Removed
1. Governed idle spring
anchor tag
4. Adjust the idle stop screw until the idle speed is
increased 25 to 50 RPM over the idle speed set in step
3. Final idle speed must be 1750± 100 RPM.
5. Move the throttle control to the Fast position. Bend
the high speed spring anchor tang (Figure 38) to attain
a high speed of 3400±50 RPM.
32
Figure 38
2. High speed spring anchor
tag