Exmark 312 Lawn Mower User Manual


 
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 39
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 at 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 40.
Figure 40
1. Spring disc washers
46