Kubota ZD1011-AU, Operator'S Manual

Page: 89 / 102

MAINTENANCE 70
3. To sharpen the blades yourself, clamp the blade
securely in a vise.
Use a large mill file and file along the original bevel
until sharp.
4. To check the blade for balance, place a small rod
through the center hole. If the blade is not balanced,
file the heavy side of the blade until balance is
achieved.
5. Pass the spline boss through the blade and 2 cup
washers, and tighten the bolt.
A
Make sure that the cup washer is not flattened out or
worn; this cause blade to slip excessively.
Replace the 2 cup washers if either is damaged.
A
Tighten the 3 blade bolts to 102.9 to 117.6 N-m (10.5
to 12 kgf-m, 75.9 to 87 lbf-ft) of torque.
A The blade bolts have Right hand threads. Turn them
counterclockwise to loosen.
A
To prolong the service life of the blades, reposition
them as shown in the figure below periodically.
B
Replacing Mower Belt
1. Remove the mower deck from the machine according
to the procedure "DISMOUNTING THE MOWER
DECK".
2. Remove the left and right hand shield from the mower
deck.
3. Clean around the gear box.
4. Remove the belt from the tension pulley.
5. Remove the right hand bracket which mounts the gear
box to the mower deck and slip the belt over the top of
the gear box.
6. To install a new belt, reverse the above procedure.
A Tighten bracket bolts securely 77.5 to 90.2 N-m (8.0 to
9.2 kgf-m, 57.1 to 66.5 lbf-ft).
(1) Block (A) "LOOSEN"
(1) Spindle holder
(2) Spindle guard
(3) Blade
(4) 2-Cup washer
(5) Lock washer
(6) Bolt
(1) LH blade
(2) Center blade
(3) RH blade
(1) Tension pulley
(2) Bracket (RH)
(3) Belt