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Section 4 - ADJUSTMENT & REPAIR
WARNING
DO NOT attempt any adjustments, maintenance or
service with the engine or blades running. STOP
blades. 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.
4.4.5. 42" MOWER BLADE REPLACEMENT
1. Move tractor to a firm, level surface.
2. Turn engine "OFF". Remove key.
3. Remove mowing deck from tractor.
4. Position deck on its left side to access blade.
5. Remove blade mounting bolts and cone washers.
See Figure 4.17.
FIGURE 4.17
6. Install new blade.
7. Torque 30 to 40 ft lbs.
4.4.6. 48" MOWER BLADE REPLACEMENT
1. Move tractor to a firm, level surface.
2. Turn engine "OFF". Remove key.
3. Remove mowing deck from tractor.
4. Position deck to access blade.
5. Remove blade mounting nut and cone washer from
each blade. See Figure 4.18.
6. Install new blades.
7. Torque 70 to 80 ft lbs.
FIGURE 4.18
CONE
WASHER
BLADE
BAR
BLADE
BLADE
MOUNTING
BOLT
SPINDLE
ASSEMBLY
CONE
WASHER
BLADE
MOUNTING
BOLT
SPINDLE WASHER
DECK/DRIVE
PULLEY
SPINDLE
HOUSING
ASSEMBLY
SPINDLE COVER CUP