g298850
Figure 80
1. T op spindle nut 3. Blade bolt
2. Flat of the spindle shaft
3. Apply copper-based lubricant or grease to the
threads of the blade bolt as needed to prevent
seizing. Install the blade bolt nger-tight.
4. Place a wrench on the at of the spindle shaft
and torque the blade bolt to 75 to 81 N∙m (55
to 60 ft-lb).
Leveling the Mower Deck
Preparing the Machine
Ensure that the mower deck is level any time you
install the mower deck or when you see an uneven
cut on your lawn.
Level the mower deck side to side before adjusting
the front-to-rear slope.
1. Park the machine on a level surface, disengage
the PT O, and engage the parking brake.
2. Shut of f the engine, remove the key , and
disconnect the spark-plug wires from the spark
plugs.
3. Check the tire pressure of both drive tires; refer
to Checking the T ire Pressure ( page 40 ) .
4. Check the mower deck for bent blades; remove
and replace any bent blades; refer to Servicing
the Cutting Blades ( page 50 ) .
5. Lower the mower deck to the 76 mm (3 inch)
height-of-cut position.
Checking the Mower Deck
Side-to-Side Height
1. Adjust the rear-tire pressure.
2. Ensure that the blades are not bent; refer to
Checking for Bent Blades ( page 50 ) .
3. Position the blades side to side.
4. Measure at the B and C locations from a level
surface to the cutting edge of blade tips ( Figure
81 ).
g006888
Figure 81
1. Measure from a level
surface
2. Measure the blade at
points B and C
5. The dif ference between measurements B and C
should be no more than 6 mm (1/4 inch).
Note: If it is not correct, refer to Leveling the
Mower Deck from Side to Side ( page 52 ) .
Leveling the Mower Deck from
Side to Side
1. Loosen the side nut and jam nut in the yokes
you want to adjust ( Figure 82 ).
52
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