Exmark Turf ranger Operator's Manual page 35

d) Check linkage to ensure that they butt up against the over-centering stop
bolt (c), and retighten the two 5/16-18 screws (See Figure 8).
PARKING BRAKE QUADRANT ADJUSTMENT
6.2.7 Parking Brake Spring Adjustment
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Check the pin to pin length and adjust to 11 5/8" as required.
c) Check the compression spring length and adjust to 3 1/32" as required
(See Figure 8).
BRAKE CONTROL LINK AND SPRING ADJUSTMENT
6.2.8 Parking Brake Neutral Lockout Adjustment.
a) Stop engine, wait for all moving parts to stop, 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.
FIGURE 8
FIGURE 9
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