Governor Adjustment - Toro Groundsmaster 300 Series Service Manual

Governor Adjustment (Fig. 3, 4)
1. With engine shut off, move throttle contro to FAST
position and open hood. Check between throttle arm
and stop on carburetor base to make sure there is a
1/32 in. (0.8 mm) gap. If gap s not correct, adjust throttle
rod by turning ball joint ends until gap is 1/32 in.
(0.8 mm). If gap is correct, to to step 2.
Engine must be running so final adjustment
of governor can be performed. To
against possible personal injury,
parking brake and keep hands, feet, face, and
other parts of body away from fan and other
moving parts.
2. Start engine and move throttle to SLOW position.
Allow engine to warm up to normal operating tempera-
ture.
3. Rotate throttle arm closed until it contacts stop.
4. Check idle speed and adjust carburetor idle speed
screw if necessary to attain 1350 ± 50 rpm.
Adjustments
l
i
WARNING
guard
engage
1. 1/32" (0.8 mm)
2. Throttle rod
3. Carbruetor idle speed screw
Page 3 - 4
Figure 3
4. Stop
5. Throttle arm
®
Groundsmaster 300 Series