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Section 4 - ADJUSTMENTS & REPAIR
WARNING
DO NOT attempt any adjustments, maintenance,
service or repairs with the engine running. STOP
engine. STOP blade. Engage parking brake. Remove
key. Remove spark plug wire from spark plug and
secure away from plug. Engine and components are
HOT. Avoid serious burns, allow all parts to cool
before working on machine. Fuel Filler Cap and vent
must be closed securely to prevent fuel spillage.
DO NOT use a cutting blade that shows signs of
excessive wear or damage on the Rear Engine Rider.
On Rear Engine Riders equipped with a grass
catcher attachment, the air lifts should be replaced
when the blade is replaced.
IMPORTANT: If the Rear Engine Rider will be on its rear
bumper for longer than two hours, remove the battery.
Refer to Section “BATTERY REMOVAL”.
4.4.2. BLADE SHARPENING
1. Follow WARNING statement found on this page.
2. Check fuel level in tank. If over 3/4 full, remove
tank. Refer to Section “REMOVING FUEL TANK”. If
3/4 or less, proceed to next step.
3. Carefully stand Rear Engine Rider on rear bumper.
4. Remove blade. See Figure 4.12.
FIGURE 4.12
5. Inspect condition of blade. See Figure 4.11.
6. If blade is in good condition, sharpen at 22 to 28
degrees. DO NOT sharpen beyond existing cutting
edge. See Figure 4.13.
7. Check blade balance after sharpening. If
necessary, correct blade balance by grinding the
heavy end of blade.
8. Reinstall blade. See Figure 4.12. Torque blade
mounting bolts to recommended range of 30 to 40
ft. lbs.
WARNING
Blades are extremely sharp and can cause severe
injuries. Wear heavy leather gloves when working on or
handling blades. DO NOT use blades that show signs
of wear or damage.
FIGURE 4.13
4.5 BLADE DRIVE BELT REPLACEMENT
Inspect mower drive belt. Refer to Section “CHECK
BLADE DRIVE BELT”. Replace belt if signs of
excessive wear and/or damage are present.
4.5.1. BELT REMOVAL
1. Remove mower drive belt cover. Refer to
Section “DRIVE BELT COVER REMOVAL”.
2. Remove old belt.
BLADE
BOLT
CONE WASHERS
DO NOT SHARPEN BEYOND
ORIGINAL CUTTING EDGE
BLADE TIP
ORIGINAL CUTTING EDGE
22º TO 28º