Kubota T1880, Руководство оператора

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51 PERIODIC SERVICE
B
Checking and Replacing Blade
To avoid personal injury:
A
Be sure to stop the engine and remove the key.
A Blades may be sharp. When you handle blades,
wear heavy gloves or wrap end of blade with a
rag.
C
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).
C
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 bolt for black blade has right hand threads, turn
counterclockwise to loosen.
The bolt for red blade has left hand threads, turn
clockwise to loosen.
A
Use the proper size box or socket wrench to tighten or
loosen the blade mounting bolt.
A Black blade to be assembled at discharge deflector
(Black color) side.
Red blade to be assembled at mower deck wall (Red
color) side.
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.
A Make sure that the cup washer is not flattened out or
worn; this may cause blade to slip excessively.
Replace the cup washer if either is damaged.
(A) New blade
(B) Worn blade
(C) Cracked blade
(1) Block
(2) Blade (Black)
(3) Blade (Red)
(4) Discharge deflector
(5) Bolt (Right hand thread)
(6) Bolt (Left hand thread) (A) "LOOSEN"