Exmark 850000 AND HIGHER Lawn Mower User Manual


 
Maintenance
6. If adjustment is necessary, loosen the jam nut
from the yoke on the side that needs adjustment.
Remove the hairpin and clevis pin (see Figure 46).
Figure 46
1. Hairpin 3. Yoke
2. Clevis pin
4. Jam nut
• Adjusting the Brake to Engage: Shorten the
linkage by turning the yoke clockwise.
• Adjusting the Brake to Disengage:
Lengthen the linkage by turning the yoke
counterclockwise.
7. Reinstall the clevis pin and hair pin and tighten
down the jam nut. Repeat step
5 and readjust if
necessary.
8. When adjustment is complete, remove the jack
stands or equivalent support and lower the
machine.
9. Place the machine into operating position
(see Pushing the Machine by Hand in the
Operation section).
Cleaning
Washing the Underside of
the Mower
Service Interval: Before each use or daily
After each use, wash the underside of the mower to
prevent grass buildup for improved mulch action and
clipping dispersal.
1. Park the machine on a level surface and disengage
the blade control switch.
2. Move the motion control levers outward to the
neutral position, engage parking brake, stop the
engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
3. Attach the hose coupling to the end of the mower
washout tting, and turn the water on high
(
Figure 47).
Note: Spread petroleum jelly on the washout
tting O-ring to make the coupling slide on easier
and protect the O-ring.
Figure 47
4. Lower the mower to the lowest height-of-cut.
5. Sit on the seat and start the engine. Engage the
blade control switch and let the mower run for
one to three minutes.
6. Disengage the blade control switch, stop the
engine, and remove the ignition key. Wait for all
moving parts to stop.
7. Turn the water off and remove the coupling from
the washout tting.
47