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NOTE:
The 42" deck uses a retainer hub and blade
tray with a rectangular hole. This feature helps ensure
the blades will be 90
o
to each other.
2. Tighten the lock nut(s) to a torque of 60 ft-lbs
(82 Nm).
3. Put the ignition wire(s) back on the spark plug(s).
IMPORTANT:
When installing blades on the 42" Mower
Deck, the two blades must be 90
o
to each other.
Sharpening Mower Blades
NOTE:
We do not recommend sharpening blades, but
if you do, be sure the blade is balanced.
An unbalanced blade will cause excessive vibration
and eventual damage to mower and engine.
1. The blade can be sharpened with a file or on a
grinding wheel. Do not attempt to sharpen while on
the mower.
2. Sharpen both ends of blade at original angle,
removing equal amounts of material from each end
to maintain proper blade balance. DO NOT grind
around corner at tips of blade. If cutting edge of
blade cannot be sharpened in a straight line to
within 1/8 inch of the end, replace blade with
Ariens replacement blade only.
3. To check blade balance, use a steel bolt or pin.
4. Slide blade onto an unthreaded portion of the steel
bolt or pin and hold the bolt or pin parallel with the
ground. If blade is balanced, it should remain in a
horizontal position. If either end of the blade moves
downward, sharpen the heavy end until the blade
is balanced.
Figure 19
1. Blade
2. Bolt or Pin
Figure 20
1
2
OE0500