Exmark eXmark Ultra VAC Lazer Z User Manual download pdf (Page 36)

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turn setscrew all the way in then back out 1-1/2 turns.

IMPORTANT

Screwing setscrew in too far will prevent the

transmission from shifting.

5.2.12 Blade safety switch.

a) Stop engine and remove spark plug wire(s).

b) With the blades disengaged and the bellcrank

touching the engine deck, adjust the blade safety

switch (if needed) until the bellcrank depresses

the plunger by 1/4".

c) Be sure the bellcrank does not contact the switch

body to prevent damage to the switch.

d) Retighten switch mounting hardware.

5.2.13 Handle height adjustment. See Section 3.8.

IMPORTANT: When the handle height adjustment is

changed, it will be necessary to readjust the wheel

drive and brake linkage (See Sections 3.8.5 and

3.8.6).

5.2.14 Wheel drive spring tension adjustment.

It may be necessary to increase wheel drive belt

tension under certain operating conditions such as,

wet grass, hilly terrain, or while pulling a sulky.

a) Stop engine and remove spark plug wire(s).

b) Disengage neutral lock/park brake latches and release

drive levers to lower spring force.

c) Remove the 5/16-18 whizlock nut securing the

adjustment bolt to the drive wheel shield. Locate

bolt assembly in the desired position as follows:

Position A - Normal Conditions

Position B - More Severe

Position C - Most Severe

NOTE: Lever force is lowest with bolt assembly in Position A

and will increase in Positions B and C (See Figure 19).

FIG. 19

DRIVE BELT TENSION

ADJUSTMENT POSITIONS

5.2.15 Adjust throttle lever tension

(B&S Engines only)

a)Stop engine.

b)Tension in throttle levers can be increased or

decreased by adjusting the tightness of the lever

pivot bolt which is located under the console.

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