Adjust Speed Control Lever Tension; Speed Control Linkage Adjustment - Exmark NAVIGATOR Operator's Manual

3. The brakes on both sides can be simultaneously
adjusted by lengthening or shortening the linkage
shown in Figure 14.
Figure 14
Brake Adjustment for Both Sides
(At the same time)
1. Brake Lever in engaged
position
2. Remove clevis pin
4. If individual adjustment is necessary, loosen the
jam nut on the brake bolt that is against the clevis
connected to the brake arm on the wheel motor.
Turn the brake bolt to achieve proper adjustment.
5. Tighten the jam nut against the clevis.
6. Repeat for other side of unit.
7. Engage and disengage the brakes to check for
proper engagement and disengagement. Readjust
if necessary. When the brakes are disengaged,
there should be free play in the brake linkage with
no dragging in the brakes.
Adjust Speed Control Lever
Tension
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Tension in speed control lever can be adjusted
by adjusting the tightness of the lever pivot bolt,
which is located under the seat near the speed
control lever (see Figure 15).
3. Set the tension high enough that the speed control
lever position is maintained during operation and
3. Rotate yoke
4. Loosen nut here
loose enough to be moved comfortably by the
operator.
1. Speed Control Lever
2. Friction Plate
Speed Control Linkage
Adjustment
WARNING
Engine must be running and drive
wheels must be turning so motion control
adjustment can be performed. Contact with
moving parts or hot surfaces may cause
personal injury.
Keep fingers, hands, and clothing clear of
rotating components and hot surfaces.
31
Maintenance
Figure 15
3. Spring disc washers
4. Hex locknut