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22 — English
BLADE
BLADE
CIRCLE
POST
SHAFT
BLADE HALF
CIRCLE POST
BLADE
HALF
CIRCLE
HOLE
BLADE
CIRCLE HOLE
BLADE
NUT
SPRING
WASHER
CENTER
BLADE
HOLE
WARNING:
If raising the mower to access the blades, make sure the
mower is properly secured and the parking brake is set
before proceeding. Failure to properly secure the mower
could cause it to fall, resulting in death or possible seri-
ous personal injury.
Wedge a block of wood between the blade and mower
deck to prevent the blade from turning.
Loosen the blade nut by turning it counterclockwise (as
viewed from bottom of mower) using a 15 mm wrench or
socket (not provided).
Remove the blade nut, spring washer, and blade.
Place the new blade on the shaft against the correspond-
ing blade posts. Ensure blade is properly seated with shaft
going through center blade hole and the two blade posts
inserted into their respective holes on the blade. Make
sure it is installed with the curved ends pointing up toward
the mower deck and not down toward the ground. When
seated properly, the straight sides should be aligned and
the blade should be flat against the blade posts.
Replace the spring washer, then thread the blade nut on
the shaft and finger tighten.
Torque the blade nut down clockwise using a torque
wrench (not provided) to ensure the bolt is properly
tightened. The recommended torque for the blade nut is
435 - 470 in. lbs.
WARNING:
Ensure blade is properly seated and the blade nut is
tightened to the torque specifications above. Failure to
properly attach the blade could cause it to come loose
and result in possible serious personal injury.
Repeat with second and third blades, if needed.
TIRE MAINTENANCE
This mower is equipped with tubeless tires of the size and
type listed below:
Front Rear
Size 15x6x6 20x8x8
Tire Air Pressure
Check the air pressure in all tires before use. Improper air
pressure will affect handling, steering response, traction,
tire life, level cutting, and operator comfort. Be sure tires are
inflated to the pressure shown below.
NOTE: Tire pressure should only be measured or adjusted
when tires are cold.
Recommended
Pressure
Front Rear
15 PSI 12 PSI
MAINTENANCE
Fig. 19, RYRM8006
Fig. 19, RYRM8007
BLADE
CIRCLE
POST
SHAFT
BLADE HALF
CIRCLE POST
BLADE
BLADE
HALF
CIRCLE
HOLE
BLADE
CIRCLE HOLE
BLADE
NUT
SPRING
WASHER
CENTER
BLADE
HOLE
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