Exmark SAR481KA30, Operator'S Manual

Page: 32 / 44

Maintenance
Figure 14
1. Park brake switch
bracket 2. 1/8 inch (3.2 mm) gap
6. If adjustment is required, loosen the bolt holding
the park brake switch bracket and adjust the
distance between the park brake switch bracket
and the hydro brake arm to be 1/8 inch.
7. Tighten the bolt holding the park brake bracket.
Motion Control Linkage
Adjustment
1. Park the machine on a level surface.
2. Shut off engine and wait for all moving parts to
stop.
3. Push the control levers all the way forward to the
front reference bar.
4. Remove the clevis pin on the turnbuckle of the
motion control linkage. Rotate the turnbuckle
counterclockwise (as viewed from the top of the
machine) until there is a gap between the control
lever and the front reference bar.
Figure 15
1. Clevis pin 3. Cotter pin
2. Turnbuckle
5. Holding the control levers forward, rotate the
turnbuckle clockwise until there is a minimal gap
or contact between the control lever and the front
reference bar. Rotate the turnbuckle clockwise
one more full turn.
6. Reinstall the clevis pin.
7. Repeat steps 3 through 6 for other motion control
linkage.
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 16.
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