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5. Carefully rotate the blade(s) side to side (Figure 52).
Measure between the outside cutting edges and
the flat surface (Figure 52). If both measurements
are not within 3/16 inch (5 mm), an adjustment is
required; continue with this procedure.
1. Blades side to side
2. Cutting edge
6. Remove the hairpin cotter and washer from the
leveling bracket (Figure 53).
7. To level the blade(s), reposition the leveling
bracket(s) in a different hole and install the washer
and hairpin cotter. (Figure 53 ). A front hole lowers
the blade height and a rear hole raises its height.
Adjust both sides as required.
1. Hairpin cotter and washer
2. Leveling bracket
8. Check the front-to-rear blade slope; refer to
Adjusting the Front-to-Rear Blade Slope.
Figure 52
3. Outside cutting edges
4. Measure here
Figure 53
3. Front hole
4. Rear hole
Adjusting the Front-to-Rear
Blade Slope
Check the front-to-rear blade level any time you install
the mower. If the front of the mower is more than
5/16 inch (7.9 mm) lower than the rear of the mower,
adjust the blade level using the following instructions:
1. Park the machine on a level surface and disengage
the blade control switch.
2. Move the motion control levers to the brake position,
stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Check the air pressure of all four tires. If needed,
adjust to the recommended inflation; refer to
Checking the Tire Pressure in the Drive System
Maintenance section.
4. Check and adjust the side-to-side blade level if you
have not checked the setting; refer to Leveling the
Mower from Side-to-Side.
5. Measure the length of the rod extending out of
the adjusting block on the sides of the chassis
(Figure 54).
6. If the rod length is not a 3/4 inch (19 mm), remove
the hairpin cotter and washer from the end of the
adjusting rod (Figure 54) and turn the rod until the
3/4 inch (19 mm) dimension is obtained.
7. Install the end of the rod into the hole in the mower
mount and secure it with the washer and hairpin
cotter.
1. Leveling bracket
2. Adjusting block
8. Repeat steps 5 through 7 for the opposite side of
the mower.
9. Set the height-of-cut at position D [3 inch (76 mm)]
and carefully rotate the blades so they are facing
front to rear (Figure 55).
37
Figure 54
3. Adjusting rod
4. Hairpin cotter and washer
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