Exmark Lazer Z XP Operator's Manual page 42

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5.2.3
5.2.4
5.2.5
SPRING COMPRESSION ADJUSTMENT
l) Raise deck lift lever to the 5" cutting height position See Figure 7. Adjust
spring compression until proper distance is obtained between the two large
washers (See Figure 9). Adjustment is made by turning the nut at the front of
each spring (clockwise will shorten the spring, counter-clockwise will lengthen
the spring). Lock in position with jam nuts.
NOTE: When above adjustments have been made, the front of the
deck will be slightly lower than the rear of the deck.
Wheel Drive Pump Belt Tension.
Self-tensioning - No adjustment necessary.
Fan Pump Belt Tension.
Self-tensioning – No adjustment necessary.
Mule Drive Belts Tension Adjustment.
Self-tensioning idlers, adjust as follows:
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Check to make sure the coils of the spring on the spring-loaded idler pulley
measures as listed below. See Figure 12.
Left Side Spring – 5 3/4" ± 1/8" (14.8 ± 0.3 cm)
Right Side Spring – 5 1/2" ± 1/8" (14.0 ± 0.3 cm)
c) If the spring does not have the correct measurement, loosen the nut holding the
adjustable idler pulley on each side so they can move up and down in the slot.
d) Relieve pressure on the spring-loaded idler pulleys.
e) Reposition the adjusting pulleys lower in the slot and tighten the nut.
f) Re-check to make sure the coils of the spring on the spring-loaded idler pulley
have the correct measurement. Repeat as necessary on both sides of the unit.
MULE DRIVE BELTS ADJUSTMENT
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FIGURE 9
SWIVEL ADJUSTMENT
FIGURE 10
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Front of Unit