SECTION 5 - ADJUSTMENTS & REPAIR
WARNING
DO NOT attempt any maintenance, adjustments, or service with the engine or blades running. STOP engine. STOP blades. SET brake. REMOVE key. Allow all machinery to stop before leaving operators position or approaching mower.
4.1MOWER BELT REPLACEMENT
1.Remove belt cover from mower.
NOTE: Belt routing diagram is located on the deck.
2.Carefully roll belt out of groove and off left spindle pulley.
3.Remove old belt.
WARNING
Use CAUTION removing old belt. Belt is under spring tension.
4.Route new belt as shown in Figure 4.1, leaving belt off of left spindle pulley.
5.Remove all slack from belt and pull towards left pulley. At same time, rotate clockwise allowing belt to roll onto the groove on the pulley.
4.2.2Blade Sharpening.
1.Inspect blades. If the blade has not been damaged and it has not worn beyond the wear limit it may be sharpened. See Figure 4.2.
2.Remove blade by removing the nut from the blade bolt. Allow the blade bolt, blade washer, blade and four blade spacers to drop down out of the spindle housing. See Figure
FOUR
BLADE
SPACERS
BLADE
WASHER
BLADE
BOLT
FIGURE 4.3
3.Remove bolt, washer and spacers from blade. Sharpen existing cutting edge only at an angle of 22 to 28 degrees. DO NOT sharpen beyond existing cutting edge. See Figure 4.4.
FIGURE 4.1
4.2 MOWER BLADE SHARPENING & REPLACEMENT
4.2.1. Blade Wear Limits
1.Inspect blades before each use for signs of excessive wear or damage. See Figure 4.2.
WARNING
DO NOT use a blade that has worn beyond the wear limit. Blades are sharp and can cause severe injury. Wear heavy gloves when handling or working around blades.
NEW BLADE 
WEAR LIMIT (NOTCH STARTS)
DANGEROUS CONDITION!
DO NOT USE ON MOWER!
REPLACE WITH NEW BLADE.
FIGURE 4.2
22º - 28º
ORIGINAL CUTTING EDGE
FIGURE 4.4
4.Check the balance of the blade after sharpening. Correct as required by removing material from the end (not cutting edge) of the blade.
5.Install blade paying close attention to the assembly sequence shown in Figure 4.3.
6.Torque blade bolt and nut to 60 to 75 ft. lbs.
4.2.3.MOWER BLADE REPLACEMENT
1.If blades are worn beyond the limit or have been damaged, they must be replaced. See Figure 4.2.
2.Remove blade as instructed in “Mower Blade Sharpening” above.
3.Install new blade following assembly sequence carefully. See Figure 4.3.
4.Torque blade bolt and nut to 60 to 75 ft. lbs.
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