Exmark Navigator NAV20KC Operator's Manual page 35

5.2.8 Adjust Speed Control Lever Tension
a) Stop engine, wait for all moving parts to stop, and remove key.
b) 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 14.
c) Set the tension high enough that the speed control lever position is
maintained during operation and loose enough to be moved comfortably by
the operator.
5.2.9 Motion control linkage adjustment
POTENTIAL HAZARD
♦ Engine must be running and drive wheels must be
turning so motion control adjustment can be performed.
WHAT CAN HAPPEN
♦ Contact with moving parts or hot surfaces may cause
personal injury.
HOW TO AVOID THE HAZARD
♦ Keep fingers, hands, and clothing clear of rotating
components and hot surfaces.
FIGURE 13
THROTTLE TENSION
FIGURE 14
THROTTLE TENSION
WARNING
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