4-6 602469_1009
undercut threads. Torque bolts on spindles to 118 foot-pounds
(160.01nm) when reinstalling blades.
IMPORTANT: The blade sail (curved part) must be point-
ing upward toward the inside of the deck to ensure proper cut-
ting.
IMPORTANT: When mounting blades, rotate them after
installation to ensure blade tips do not touch each other or sides
of the mower.
WARNING: Failure to correctly torque the bolt may
result in the loss of the blade which can cause serious
injury.
WARNING: Mower blades are sharp and can cut.
Wear gloves and use extra caution when servicing
them.
Fig. 4-6
Resharpening
pattern
Do not sharpen to original pattern (below). It is
easier to get a straight cutting edge following
the resharpening pattern shown above.
Original edge
Fig. 4-7
Fig. 4-8
Warped Blade (Replace)
Straight Blade
Cutting
plane
Comparison of Warped and Straight Blades
Cutting edge
Twisted Blade Edge
(replace)
Cutting edgeCutting Plane
Straight Blade Edge
End view of blades, comparing
twisted and straightened blades
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