Drive System Maintenance; Adjusting The Speed Control Linkage; Adjusting The Neutral Control Linkages - Toro 39984 Operator's Manual

Drive System
Maintenance
Perform the following linkage adjustments when the
machine needs maintenance. Perform steps Adjust the
Speed Control Linkage through Adjusting the Tracking.
If and adjustment is needed , do them in the order that
they are listed.
Adjusting the Speed Control
Linkage
1. Disengage the PTO and set the parking brake.
2. Stop the engine and wait for all moving parts to stop
before leaving the operating position.
3. Move the speed control lever (located on the
console) to the full forward position.
4. Check the orientation of the tabs on the ends of the
speed control crank. These tabs should be pointing
straight down at the 6 o'clock position approximately
(Figure 34).
5. Adjust the threaded yoke at the bottom of the speed
control linkage until the tabs are at the 6 o'clock
position (Figure 34).
Figure 34
1. Speed control rod
2. Yoke
3. Speed control crank
6. Pull the speed control lever back to neutral.
4. Tabs, 6 o'clock position
5. Jam nut
7. Check to make sure the safety switch is depressed
and there is a 5/16 inch (8 mm) space between the
actuating tab and the switch. (Figure 35).
8. If needed, adjust switch location to create the
5/16 inch (8 mm) space (Figure 35).
1. Actuating tab
2. 5/16 inch (8 mm) space
Adjusting the Neutral Control
Linkages
Engine must be running so control linkage
adjustments can be performed. Contact
with moving parts or hot surfaces may cause
personal injury.
Keep hands, feet, face, clothing and other body
parts away from rotating parts, muffler and
other hot surfaces.
33
Figure 35
3. Safety switch