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Sharpening the Blades
1. Use a file to sharpen the cutting edge at both ends of
the blade (Fig. 45). Maintain the original angle. The
blade retains its balance if the same amount of
material is removed from both cutting edges.
1
Figure 45
1. Sharpen at original angle
2. Check the balance of the blade by putting it on a blade
balancer (Fig. 46). If the blade stays in a horizontal
position, the blade is balanced and can be used. If the
blade is not balanced, file some metal off the end of
(Fig. 44).
the sail area only
until the blade is balanced.
1
Figure 46
1. Blade
Installing the Blades
1. Install the blade onto the spindle shaft
Important
The sail part of the blade must be pointing
upward, toward the inside of the mower to ensure proper
(Fig. 44).
cutting
2. Install the washer, lock washer and blade bolt
(Fig. 44).
Torque the blade bolt to 85–110 ft-lb
(115–140 N m).
3. Remove spacers from the height–of–cut posts to lower
the mower (Fig. 47).
m–1854
Repeat this procedure
2
m–1855
2. Balancer
(Fig. 44).
33
5
1
4
2
Figure 47
1. Carrier Frame
2. Hairpin Cotter
3. Front height–of–cut post
4. Position the blades front-to-rear (Fig. 57). Measure at
C and D locations (Fig. 57) from a level surface to the
cutting edge of the blades (Fig. 58).
5. Check the side-to-side leveling of the cutting unit.
Correcting Cutting Unit
Mismatch
If one deck blade cuts lower than the other, correct as
follows.
Tire air pressure is critical in these procedures.
Note:
Make sure all tires have correct pressure.
1. Stop the engine, remove the key and disconnect the
spark plug wire(s) from the spark plug(s).
2. Adjust the tire pressure in all tires to specifications on
page 29.
3. Check that the blades and spindle shafts are not bent.
Refer to Checking for Bent Blades on page 32.
4. Set the height-of-cut to the 4 in. (102 mm) position.
Refer to Adjusting the Height-Of-Cut in the Operation
section.
5. Perform steps in the following sections Setting Up the
Frame, Checking Front–to–Rear Pitch and Checking
Side–to–Side Leveling.
3
4
1
2
m–5230
4. Spacers
5. Back height–of–cut post
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