Caster Pivot Bearings Pre-Load Adjustment - Exmark STARIS S Series Operator's Manual

Maintenance
Note: Adjust the horizontal alignment before the
front to back alignment.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Push the right motion control lever down out of
the PTO disengage position.
3. Check if the right motion control lever aligns
horizontally with the left motion control lever.
1. LH Motion control lever
2. RH Motion control lever
3. RH Motion control lever in PTO disengage position
4. Check the horizontal alignment here
4. To adjust the right motion control lever
horizontally, the cam needs to be adjusted.
5. Release the cushion from the rear of the machine.
6. Loosen the nut holding the cam (see Figure 33).
1. Cam nut
7. Adjust the cam until it aligns with the left motion
control lever and tighten the nut for the cam.
Figure 32
Figure 33
Note: Moving the flat portion of the cam
clockwise lowers the handle, while moving it
counterclockwise raises the handle
Important: Make sure the flat portion of the
cam does not go above a vertical position
(right or left), or damage may occur to the
switch.
8. Tighten the switch screws.
Caster Pivot Bearings
Pre-Load Adjustment
Remove dust cap from caster and tighten nyloc nut
until washers are flat and back off 1/4 of a turn
to properly set the pre-load on the bearings. If
disassembled, make sure the spring disc washers are
reinstalled as shown in Figure 34.
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1. Spring disc washers
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44
Figure 34
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