Checking And Replacing Blades - Kubota ZD1600 Series Operator's Manual

MAINTENANCE
Bleeding procedure is as follows:
1. Park the machine on level ground before starting
work.
2. Remove 3 bolts and the cover.
3. Fill the fuel tank with fuel, and open the fuel shutoff-
valve.
4. Loosen the air vent plug until the liquid level rises.
(1) Fuel shutoff-valve
(2) Air vent plug
5. Wait until air in the tank is removed.
Turn on the key when the increase of liquid level is
slow.
6. Set the accelerator lever at the minimum speed
position, turn the key switch to the "START"
position.
If the engine does not start, try it several times at
30-second intervals.
IMPORTANT :
• Do not hold the key switch at the engine
"START" position for more than 10 seconds
continuously. If more engine cranking is
needed, try again after 30 seconds.
7. Accelerate the engine to remove the small portion
of air left in the fuel system.
8. If air still remains and the engine stops, repeat the
previous steps.
9. Tighten the air vent plug.
10. Reinstall the cover.
IMPORTANT :
• The cover must be reinstalled after the
replacement procedure
Operating the machine without the cover
can lead to damage to the fuel components.

3. Checking and replacing blades

WARNING
To avoid serious injury or death:
• Stop the engine and remove the key.
108
(A) "OPEN"
(B) "CLOSE"
is completed.
• Blades may be sharp. When you handle blades,
wear heavy gloves or wrap the end of the
blades with a rag.
NOTE :
• Before checking or replacing the blades, wipe
grass and mud off the top and inside of the
mower.
Especially, clean up inside the belt cover,
because otherwise the belt life will be reduced.
Checking the blade
The blade cutting edges should be kept sharp at all
times.
1. Sharpen the cutting edges if they look like the blade
(B).
2. Replace the blades if they look like the blade (C).
(A) New blade
(B) Worn blade
(C) Cracked blade
Replacing
1. Tilt up the mower deck.
(See TILTING UP THE MACHINE on page 71.)
2. RCK72P
To prevent the spindle from rotating while removing
the blade bolts, perform one of the following
methods:
• Wedge a block of wood between the blade and
mower housing.
• Use a box wrench over the pulley nut. Then,
loosen the blade bolt as illustrated.
RCK60RP, RCK72RP
To prevent the spindle from rotating while removing
the blade bolts, perform one of the following
methods:
• Set the pipe between the blade and the next
blade.
• Use a box wrench over the pulley nut.
Then, loosen the blade bolt as illustrated.
IMPORTANT :
• Use the proper metric size box or socket
wrench to tighten or loosen the blade
mounting bolt.
SERVICE AS REQUIRED
ZD1611LF,ZD1611RLF,ZD1611RL