Exmark Frontrunner Operating Manual page 38

c) To tighten alternator belt, loosen both upper and lower alternator mounting
bolts. Rotate alternator out, away from engine and re-tighten hardware to
secure in place.
d) When properly tensioned, the alternator belt will deflect 1/4"-3/8" (7-9 mm)
while applying 22 pounds of force to the belt midway between alternator
and crankshaft pulley.
4.2.4 Park Brake Adjustment:
Check to make sure each brake is adjusted properly.
a) Stop engine, wait for all moving parts to stop, and remove key. Engage
parking brake.
b) Tilt seat forward and raise hood.
c) Disengage the park brake. Measure the length of the park brake spring.
The spring should measure 2.5" (6.4cm). See Figure 10.
d) If necessary, turn the thin nyloc nut to obtain the 2.5" (6.4cm) spring length.
e) Engage the park brake. Measure the gap between the thin nyloc nut and the
park brake clevis. The gap should measure 1/8" (3.2mm)
f) If necessary, loosen the inner flanged nut and turn the outer nut to obtain the
1/8" (3.2mm) gap. Re-tighten the inner flanged nut. See Figure 11
g) If park brake does not fully disengage when the lever is disengaged check the
brake rod linkage assembly. The assembly should measure 7-3/8" (18.7 cm)
from the center of the ball joint to the center of the lower end of the linkage rod.
See Figure 12.
FIGURE 9
FIGURE 10
FIGURE 11
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