Exmark Lazer Z XS - Manual (Page 39)

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f) If adjustment is necessary, loosen jam nut above the trunion roller. Adjust
the nyloc nut under the trunion roller until distance listed above exists
between the spring retainer bracket and the adjacent nyloc nut. Tighten the
jam nut above the trunion roller.
g) If a the correct gap can no longer be achieved because there is no clearance
between nyloc nut below the spring and the jam nut above the trunion or there
are no threads left on the bottom nyloc nut, the length of the brake rod can be
adjusted. Remove a pin from a yoke at either end of the brake rod and
lengthen (or shorten) the brake rod until the correct gap can be achieved by
following steps e) and f).
FIGURE 10
4.2.8 Adjust Throttle Lever Tension.
a) Stop engine, wait for all moving parts to stop, and remove key. Engage
parking brake.
b) Tension in throttle lever can be adjusted by adjusting the tightness of the
lever pivot bolt, which is located under the console (See Figure 11).
FIGURE 11
4.2.9 Electric Clutch Adjustment:
No adjustment necessary.
4.2.10 Reverse Indicator Adjustment:
a) Stop engine, wait for all moving parts to stop, and remove key. Engage
parking brake.
b) Unhook seat latch and tilt seat forward.
c) Begin with either the left or right motion control lever. Move lever to the
neutral position and pull lever back until the clevis pin (on arm below pivot
shaft) contacts the end of the slot (just beginning to put pressure on
spring), See Figure 12.
d) Check where lever is relative to notch in console (should be centered
allowing lever to pivot outward to the neutral lock position).