Adjustment, Motion control damper adjustment, Caster pivot bearings pre-load adjustment – Exmark Lazer Z D-Series 920 User Manual
Page 46: Maintenance

Maintenance
Motion Control Damper
Adjustment
The top damper mounting bolt can be adjusted to
obtain a more desired motion control lever resistance.
See Figure 29 for mounting options.
Figure 29
1.
Motion control bracket
2.
Least resistance (softest feel)
3.
Medium resistance (medium feel)
4.
Most resistance (firmest feel)
5.
Torque nyloc nut to 200 in-lb (16.7 ft-lb). Bolt must
protrude past end of nyloc nut after torque.
6.
Damper
7.
Damper must move freely on bolt.
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 30.
Figure 30
1.
Spring disc washers
46