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20
CLEAN DECK &
CHECK / REPLACE MOWER BLADES
Service Interval: 25 hours or as required.
1. Remove mower deck (see “Mower Deck Removal” in
the OPERATION section).
2. See Figures 24 and 25. Remove blade to inspect it
or to safely access the underside of the mower deck.
Use a block of wood to prevent blade rotation while
loosening the hardware by turning it
counterclockwise.
3. Remove the hardware and blade.
4. Clean the underside of the mower deck.
5. Inspect the blade(s) for nicks or dull edges. Use a file
to sharpen blade to a fine edge. If the blade is
damaged, it must be replaced.
6. Balance the blade as shown in Figure 26. Center the
blade’s hole on a nail lubricated with a drop of oil. A
balanced blade will remain level. If the blade is not
balanced, continue to sharpen the heavy side until it
balances.
7. Reinstall the blade with the lift wings (D, Figure 28; E,
Figure 29) pointing up toward the mower deck as
shown.
8. Reinstall the hardware as noted in Figures 27
through 29. Use a wooden block to prevent blade
rotation while tightening the hardware to the following
torque:
33” Blade - 30-40 ft. lbs. (41-54 Nm)
42” Blade - 80-90 ft. lbs. (108-122 Nm)
50” Blade - 45-55 ft. lbs. (61-75 Nm)
WARNING
For your personal safety, do not handle the sharp
mower blades with bare hands. Careless or
improper handling of blades may result in serious
injury.
WARNING
For your personal safety, blade mounting
hardware must each be installed as per
instructions. Torque blade mounting hardware to
torque noted in instructions.
Figure 26. Balancing The Blade
Workbench
Nail
LOOSEN
Figure 25. Blade Removal - 42” & 50” Deck
Figure 24. Blade Removal - 33” Deck