Kubota G21 - Page 176

158
ENGLISH
MOWER BLADE
3
CAUTION
To avoid personal injury:
¡¡
¡¡
¡ Be sure to stop the engine and remove
the key.
¡¡
¡¡
¡ Blades may be sharp. When you handle
blades, wear heavy gloves or wrap end
of blade with a rag.
쏋 Checking
The blade cutting edges should be kept sharp at all
times. Sharpen the cutting edges, if they resemble
blade B. Replace the blades if they appear similar to
blade C.
(A) New blade
(B) Worn blade
(C) Cracked blade
쏋 Replacing
1. Remove the mower deck from the machine and
turn it over to expose the blades.
2. Wedge a block of wood between the blade and
mower housing as illustrated.
3. The blade bolts w have right hand threads, turn
counterclockwise to loosen.
The blade bolt e has left hand threads, turn
clockwise to loosen.
(1) Block (A) “LOOSEN”
(2) Blade
(3) Blade
NOTE:
¡ Use the proper size box or socket wrench to
tighten or loosen the blade mounting bolt.
4. 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.
5. 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.
6. To attach blades, be sure to install the cup washer
between the blade and bolt head.