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21
Maintenance
Annual inspection and maintenance from an au-
thorized Yazoo/Kees dealer is recommended to
keep your machine in the best condition mechani-
cally and ensures safe operation.
Engine oil
Engine oil should be checked daily before starting
the machine. See the engine manufacturers
manual for specifications on type of oil, filling in-
structions and service intervals. FIG - 9
Mower blades
Inspect blades and sharpen or replace as needed.
Check blades daily or as needed. Bent, cracked
or blades with large notches in them should be
replaced. Sharpen to an angle of 22 to 28 degrees.
Always check the balance of the blades after
sharpening to prevent excessive vibration.
MAINTENANCE
Safety interlock system
Check daily and never operate the machine if the
system is not functioning properly. The starter
should crank only when the operator is in the seat,
the parking brake is applied, blade switch off and
the motion control levers in the neutral slots. If the
machine starts with any of these controls in an
operating position, turn the machine off and re-
pair the system immediately.
“F” Full
Mark
Operating
Range
FIG - 9
Cutter Housings
Grease housings once weekly or every 40 to 50
hours of use. Use a good synthetic grease. Pump
grease in until a small amount purges from the
popet on the underside of the deck. Check the
torque of the pulley bolt (45 ft/lbs) should be main-
tained.
WARNING!
No settings or adjustments are to be
made unless: Engine is stopped, key has
been removed, park brake is on and bat-
tery cable removed from battery.