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Drive System
Maintenance
Perform the following linkage adjustments when the machine
needs maintenance. Perform the steps Adjust the Speed
Control Linkage through Adjusting the Tracking. If any
adjustments are 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 35).
5. Adjust the threaded yoke at the bottom of the speed
control linkage until the tabs are at the 6 o'clock
position (Figure 35).
Figure 35
1. Speed-control rod
2. Yoke
3. Speed-control crank
6. Pull the speed-control lever back to neutral.
7. Check to make sure that the safety switch is pressed
and there is a 8 mm (5/16 inch) space between the
actuating tab and the switch. (Figure 36).
4. Tabs, 6 o'clock position
5. Jam nut
8. If needed, adjust the switch location to create the 8 mm
(5/16 inch) space (Figure 36).
1. Actuating tab
2. 8 mm (5/16 inch) space
Adjusting the Neutral Control
Linkages
WARNING
Engine must be running so that 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, the muffler, and
other hot surfaces.
WARNING
Mechanical or hydraulic jacks may fail to support
machine and cause a serious injury.
• Use jack stands when supporting machine.
• Do not use hydraulic jacks.
1. Disengage the PTO and set the parking brake.
30
Figure 36
3. Safety switch
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