Drive System Maintenance; Adjusting The Speed Control Linkage - Toro 39988 Operator's Manual

Commercial walk-behind mower
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Figure 32
1. Hose clamp
2. Fuel line
5. Remove the filter from the fuel lines.
6. Install a new filter and move the hose clamps close
to the filter.
7. Open fuel shut-off valve at fuel tank (Figure 31).
8. Check for fuel leaks and repair if needed.
9. Wipe up any spilled fuel.
3. Filter
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 33).
5. Adjust the threaded yoke at the bottom of the speed
control linkage until the tabs are at the 6 o'clock
position (Figure 33).
1. Speed control rod
2. Yoke
3. Speed control crank
6. Pull the speed control lever back to neutral.
32
Figure 33
4. Tabs, 6 o'clock position
5. Jam nut

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