Exmark 4500-450 Lawn Mower User Manual


 
Operation
1. Tip the seat forward.
2. Loosen the knob.
3. Move the seat to the desired position.
4. Tighten the knob.
5. Tip the seat back tot he closed position.
Changing the Seat Ride
Suspension
The number of seat springs can be changed to
maximize rider comfort. More springs should be used
with heavier operators and on rough terrain. Fewer
springs should be used with lighter operators and
when mowing smooth, well established lawns. Always
keep the number of springs on the left and right side
the same when adding and removing springs.
Figure 13
1. Bolt 3. Nut
2. Spring
4. Additional mounting
holes
Up to ve springs can be secured to the seat box with
a nut and bolt, see Figure 13.
Refer to your Parts Manual for spring and hardware
part numbers.
Adjusting the Motion Control
Levers
Adjusting the Height
The motion control levers can be adjusted higher or
lower for maximum operator comfort.
1. Remove the two bolts holding the control lever to
the control arm shaft (Figure 14).
Figure 14
1. Bolt
4. Control arm shaft
2. Washer 5. Nut
3. Control lever
2. Move the control lever to the next set of holes.
Secure the lever with the two bolts.
3. Repeat the adjustment for the opposite control
lever.
Adjusting the Tilt
The motion control levers can be tilted fore or aft for
maximum operator comfort.
1. Loosen the upper bolt holding the control lever
to the control arm shaft.
2. Loosen the lower bolt just enough to pivot the
control lever fore or aft (Figure 14). Tighten both
bolts to secure the control in the new position.
3. Repeat the adjustment for the opposite control
lever.
Pushing the Machine by
Hand
Important: Always push the machine by hand.
Never tow the machine because damage may
occur.
To Push the Machine
1. Park the machine on a level surface and disengage
the blade control switch.
2. Move the motion control levers outward to
neutral position, engage parking brake, stop the
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