Exmark FMD 524, FMD 604 manual Parking Brake Neutral Lockout Adjustment

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 11).

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 11

PARKING BRAKE NEUTRAL LOCKOUT ADJUSTMENT

6.2.9Parking brake switch adjustment

a)Stop engine, wait for all moving parts to stop, and remove 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.

6.2.10Motion Control Linkage Adjustment

a)Step down on the forward pedal until it touches the footrest.

b)Check the gap between the motion override tube and the spacer. This gap should measure 1/16” (See Figure 12).

c)If adjustment is required, remove clevis pin at foot pedal end and turn yoke in or out as required to obtain the 1/16" gap.

- 31 -