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Fig. 27C
38
Replacing the Cutting Blades
CAUTION: Only use replacement blades authorized
by the manufacturer of your mower. Use of blades not
authorized is hazardous and may damage your mower.
WARNING: Mower blades are sharp. Wrap the
blade(s) or wear gloves, and use extra caution when
servicing them.
For best results, please use the correct replacement kit for
this mower, PN 2105200368.
Fig. 28
1. Shut off the engine, remove the key, and engage the
parking brake.
2. Remove the deck. Refer to the "Removing the Cutting
Deck" section.
3. Use a blade removal tool (not provided) to prevent the
blade from turning.
4. Loosen the blade nut by turning it counterclockwise (as
viewed from bottom of the mower) using a 24 mm
wrench or socket (not provided).
ZERO TURN MOWER
5. Remove the blade nut and blade. (Fig.28)
6. When replacing or re-installing the blade, be sure to
install the blade on the side with its stamped part
number facing the ground (the same direction as
working blades).
7. Thread the blade nut on the shaft and finger tighten.
8. 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 70-85 ft. lbs.
9. Repeat the above steps with the second blade.
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 death or serious injury.
ZERO TURN MOWER
Sharpening
the Blade
1. To properly sharpen the cutting blades, remove equal
amounts of metal from both ends of the blades along the
cutting edges. Always grind each cutting blade edge
equally to maintain proper blade balance.
2. Test the blade's balance using a blade balancer (not
provided). Grind metal from the heavy side until it
balances evenly.
WARNING: A poorly balanced blade will cause
excessive vibration, may damage the mower,
and result
in death or serious injury.
39
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