PERIODIC SERVICE78
ENGLISH
A When reinstalling the mower duct, make sure that the
both stays of the mower cover are set between the two
washers.
3. Turn the mower deck over to expose the blades.
4. Wedge a block of wood between the blade and mower
housing as illustrated.
5. The blade bolts (2) have right hand threads, turn
counterclockwise to loosen.
The blade bolt (3) has left hand threads, turn clockwise
to loosen.
[RCK48, RCK54]
A Use the proper size box or socket wrench to tighten or
loosen the blade mounting bolt.
6. 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.
7. 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.
8. To attach blades, be sure to install pin holder and
shear pin in place, and also install the cup washer
between the blade and bolt head.
A Make sure that the cup washer is not flattened out or
worn. Replace the cup washer if either is damaged.
9. Before checking or replacing the blade, wipe grass
and mud off the top and inside of the mower.
[RCK48, RCK54]
A Make sure that the direction of the pin holder and the
cup washer is same as shown in the figure.
A Tighten the 2 blade bolts to 98 to 117.6 N-m (10 to 12
kgf-m) of torque.
(1) Block
(2) Blade bolt
(3) Blade bolt
(A) "LOOSEN"
(1) Spindle holder
(2) Pin holder
(3) Blade
(4) 2-Shear pins
(5) Cup washer
(6) Bolt
(7) Spindle guard
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