Toro Sand Pro 2040Z Operator's Manual page 47

1. Governor arm
4. Adjust the stop screw on the carburetor
67) so that the idle speed is 1350 to 1550 rpm.
Note:
Check the speed with a tachometer.
1. Stop screw
5. Allow the governor arm to return to the original
position.
6. Loosen the jam nut on the low-idle speed
setscrew.
7. Adjust the low-idle speed setscrew so that the
idle speed is 1450 to 1650 rpm.
8. Tighten the jam nut.
Adjust the high-idle speed as follows:
Important:
Do not adjust the high-idle speed with
the air cleaner removed.
1. Start the engine and allow it to warm up
thoroughly.
2. Loosen the jam nut on the high-idle speed
setscrew a few turns.
3. Move the throttle control so that the idle speed
is 2750 to 2950 rpm.
4. Tighten the high-idle speed setscrew so that it
just touches the tab on the speed-control lever.
Figure 66
Figure 67
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(Figure
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1. Jam nut
2. Low-idle speed setscrew
3. Tab (on the speed-control
lever)
5. Tighten the jam nut.
47
Figure 68
4. High-idle speed setscrew
5. Speed-control lever
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