Exmark Lazer Z XP Operator's Manual page 42

5.2.6 Deck Belt Tension.
a) The deck belt is tensioned by a self-tensioning idler, no adjustment is
necessary.
5.2.7 Alternator belt tension.
a) Stop engine and remove key.
b) Remove engine air deflector located behind seat.
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 3/8"-1/2" (9-13 mm)
while applying 22 pounds of force to the belt midway between fan and
alternator.
5.2.8 Belt Guide Adjustment.
a) Stop engine and remove key.
b) Remove the belt shield on the right side of mower deck.
c) Locate belt guide bolted to deck near the shield support stud and right-hand
pulley. Guide should be 1/8" (3 mm) away from the belt, with bolt-end of
guide at end of slot (See Fig 13).
d) If adjustment is necessary, loosen the bolt securing the belt guide and
make proper adjustment. Tighten hardware.
5.2.9 Brake Link Adjustment.
Check to make sure brake is adjusted properly.
a) Disengage brake lever (lever down).
b) Measure the length of the spring. Measurement should be 2.75" (7 cm) (see
Fig 14).
c) If adjustment is necessary, adjust the nyloc nut at the bottom of the spring to
achieve 2 3/4" (7 cm).
FIG. 12
MULE DRIVE BELTS ADJUSTMENT
FIG. 13
BELT GUIDE POSITIONING
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