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Section 4 - ADJUSTMENTS & REPAIR
WARNING
DO NOT attempt any adjustments, maintenance or
service with the engine or blade running. STOP
blade. STOP engine. Set brake. Remove key. Remove
spark plug wire from spark plug and secure wire
away from spark plug. Engine and components can
be extremely hot. Avoid burns by allowing engine
and components sufficient time to cool. Wear heavy
leather gloves when handling or working around
cutting blades. Blades are extremely sharp and can
cause severe injury.
4.3 MOWER BLADE REPLACEMENT
4.3.1. BLADE WEAR LIMITS
1. Inspect blade frequently for signs of excessive wear
or damage. See Figure 4.12.
FIGURE 4.12
4.3.2. BLADE SHARPENING
1. Make sure fuel cap is on tight. Turn fuel shut off
valve to the “CLOSED” position. Start engine and
allow it to run until engine runs out of fuel. Close
vent on fuel filler cap. See Figure 2.3.
2. Remove key from ignition switch.
3. Remove spark plug wire(s) and secure away from
spark plug(s).
4. Carefully stand YARD CRUISER on rear bumper.
5. Remove blade(s). See Figure 4.13.
6. Inspect condition of blade. See Figure 4.12.
7. If blade is in good condition, sharpen at 22 to 28
degrees. DO NOT sharpen beyond existing cutting
edge. See Figure 4.14.
8. Check blade balance after sharpening. If
necessary, correct blade balance by grinding the heavy
end of blade.
9. Reinstall blade. See Figure 4.13. Torque blade
mounting bolts to recommended range of:
42” Deck - 30 to 40 ft. lbs.
48” Deck - 60 to 70 ft. lbs.
FIGURE 4.13
FIGURE 4.14
WARNING
DO NOT use a cutting blade that shows signs of
excessive wear or damage. Wear heavy leather
gloves when handling or working around cutting
blades. Blades are extremely sharp and can cause
severe injury.
4.3.3. BLADE REPLACEMENT
1. Remove blade(s). See Figure 4.13. Replace
blade(s) if it shows signs of excessive wear or
damage.
NOTE: FOR ALL CUTTING BLADE REPLACEMENT
PARTS IDENTIFICATION NUMBERS SEE PAGE 24.
33” DECK
38” DECK
42” DECK
48” DECK
DO NOT SHARPEN
BEYOND ORIGINAL
CUTTING EDGE
BLADE TIP
ORIGINAL CUTTING EDGE
22º TO 28º
NEW BLADE
WEAR LIMIT
(NOTCH STARTS)
DANGEROUS CONDITION!
DO NOT USE ON MOWER!
REPLACE WITH NEW BLADE.