Governor / Accelerator Pedal - Toro Workman 3000 Series Service Manual

Governor / Accelerator Pedal

1. Put vehicle on a level surface, stop engine and en-
gage the parking brake.
2. Rotate governor input lever clockwise to put a light
tension load on the governor spring. Hold carburetor
throttle against wide open throttle stop and adjust ball
joint on throttle rod to allow ball joint socket to travel past
carburetor throttle stud by 0.200+0.031 in. (5+0.8 mm).
Tighten locknuts on throttle rod. Ball joints must move
freely through full travel.
3. While rotating governor input lever counterclockwise
and holding carburetor throttle against low idle stop, ad­
just surge screw to allow governor output arm stud to
travel past ball joint socket by 0.200+0.031 in. (5+0.8
mm).
The engine must be running to make final ad-
justment of governor. To guard against pos-
sible personal injury, engage parking brake
and keep hands, feet, face and other parts of
the body away from fan or other moving parts.
4. Start engine and allow it to warm up to normal operat-
ing temperature. With throttle plate held fully closed, ad­
just low idle stop on carburetor to get 1200+100 RPM.
5. Advance governor input lever to increase engine
speed to 3600+50 rpm. Adjust high idle screw to contact
governor input lever.
Liquid Cooled Gas Engine
CAUTION
0.200"
(5 mm)
2
1. Throttle rod
2. Ball joint
5
4
Page 3 – 22 Rev. A
3
4
Figure 30
3. Carburetor throttle
4. Carburetor throttle
4. stud
1
3
2
Figure 31
1. High idle screw
2. Governor spring
3. Governor input lever
4. Low idle screw
5. Ball joint
Workman 3000/4000 Series
1