Exmark LAZER Z 4500-471 - Manual (Page 42)

Maintenance
2. Slide the cover plate backward or forward to
adjust the travel of the lever and tighten the
screws.
3. Drive the machine and check the full forward
tracking.
4. Repeat steps 1 through 3 until desired tracking
is obtained.
Figure 35
RH Motion Control Shown
1. Screw 3. Motion control lever
2. Cover plate
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 36.
Figure 36
1. Spring disc washers
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