Exmark TURF RANGER TR23KC Operator's Manual page 32

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6.2.8 Parking Brake Neutral Lockout Adjustment.
6.2.9 Parking brake switch adjustment
6.2.10 Motion Control Linkage Adjustment
BRAKE CONTROL LINK AND SPRING ADJUSTMENT
a) Stop engine and remove key.
b) Remove inlet screen and fan.
c) Engage parking brake. Loosen the jam nuts securing the two 5/16 x 1-1/2"
carriage bolts to the hydro control arm. Be sure the hydro control arm is in
the neutral position as outlined in the previous adjustment (6.2.5) and the
parking brake is adjusted as per previous adjustment (6.2.6).
d) Adjust two 5/16 x 1-1/2" carriage bolts in the hydro control arm in or out until
the head contacts the butterfly plate, and then tighten jam nuts (See Figure 9).
NOTE: When the bolts are properly adjusted, there will be no rotational
movement of the hydro control arm when brake is engaged.
e) Restart engine and open to full throttle.
f) Step down on the forward pedal, then the rear pedal of the motion control
pedal. Listen for a "whine" from the hydro transaxle. If any "whine" is heard
during any of the above conditions, repeat adjustment steps "c", "d" and "e".
g) Replace fan and inlet screen.
PARKING BRAKE NEUTRAL LOCKOUT ADJUSTMENT
a) Stop engine and remove ignition key.
b) Engage parking brake. Adjust the parking brake switch mounting bracket until
jack-shaft engagement arm depresses brake safety switch by at least 1/4".
c) Check safety interlock system as outlined in 6.1.5.
a) Step down on the forward pedal until it touches the footrest.
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FIG. 8
FIG. 9
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