26 se c t i O n 7— se r v i c e
To properly sharpen the cutting blades, remove equal 5.
amounts of metal from both ends of the blades along the
cutting edges, parallel to the trailing edge, at a 25° to 30°
angle.
NOTE: If the cutting edge of the blade has already been
sharpened to within 1-⁄” from the edge, or if any metal
separation is present, replace the blades with new ones.
See Fig. 7-3.
It is important that each cutting blade edge be ground 6.
equally to maintain proper blade balance.
A poorly balanced blade will cause excessive vibration and 7.
may cause damage to the tractor and result in personal
injury. The blade can be tested by balancing it on a round
shaft screwdriver. Grind metal from the heavy side until it
balances evenly.
NOTE: When replacing the blades, make certain the side
of the blade marked ‘‘Bottom’’ faces the ground when the
mower is turned to the operating position.
NOTE: Note that the stars of the blades (and spindles)
are not symmetrical. The blade can be installed on each
spindle in only one direction. Carefully align the star hole of
the blade with the star of the spindle shaft when installing
each blade. DO NOT improperly align the blade and spindle
shaft, and attempt to seat the blade onto the spindle by
tightening the hex flange nut.
Rotate the blade as necessary to align its star hole with the star 8.
of the spindle shaft, then slide the blade onto the spindle
shaft. Thread the hex flange onto the spindle shaft and use
a torque wrench to tighten the hex flange nut to 70 to 90
foot-pounds.
Repeat the above procedure to install the other blade.9.
Changing the Deck Belt
WARNING! Be sure to shut the engine off, remove
ignition key, disconnect the spark plug wire(s) to
prevent unintended starting before removing the
belt(s).
WARNING! Avoid the possibility of a pinching
injury. Do not place your fingers on the idler spring
or between the belt and a pulley while removing the
belt.
All belts on your tractor are subject to wear and should be
replaced if any signs of wear are present.
NOTE: Do not use substitute belts. The V-belt found on your
tractor is specially designed for optimal performance and service
life for your deck application. Use only OEM original replacement
belts.
To change or replace the deck belt on your tractor, proceed as
follows:
Remove the deck from beneath the tractor (refer to Cutting 1.
Deck Removal on page 19).
Remove the spindle covers by removing the self-tapping 2.
screws that fasten them to the deck. See to Fig. 7-4.
Loosen the hex screw fastening the idler pulley to the idler arm 3.
as necessary to slide the belt from between the idler pulley
and idler arm. See Fig. 7-4.
Place the new belt between the idler pulley and idler arm. The 4.
backside of the ‘V’ belt should be against the idler pulley.
Tighten the hex screw to secure the idler pulley.
Worn Blade Edge
Blade Separation
Wind Wing
1-⁄”
Sharpen Edge Evenly
Figure 7-3
Spindle Cover
Idler Pulley
Hex Screw
Hex Screw
Figure 7-4
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