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Checking the Blade Bolts
Service Interval: Every 50 hours
Ensure that all blade bolts are torqued to 45 N∙m (33
ft-lb).
Checking the Front Flaps
Service Interval: Before each use or daily
Ensure that all flaps are undamaged and free to
rotate; replace any and all damaged flaps.
Clearing a Blocked Rotor
WARNING
Residual power in the flail rotor system could
cause injury through sudden movement of the
flail rotor(s) when the blockage is released.
• Never attempt to rotate or clear blockage
from the flail rotors by hand.
• Always wear protective gloves and use a
wooden pole.
• Ensure that the wooden pole fits in the
flail rotor and is long enough to provide
sufficient leverage to release the blockage.
1.
Set the PTO switch to the O
2.
Park the machine on level ground, set the throttle
control to the slow engine-speed position, and
engage the parking brake.
3.
Raise the cutting unit as necessary to access
the blockage.
4.
Shut off the engine, remove the ignition key, and
wait for all moving parts to stop.
5.
Support the raised cutting unit with jack stands.
6.
Use a wooden pole to carefully remove the
blockage.
Important:
The flail rotor may rotate when
you release the blockage.
Important:
Avoid using excessive force
when you remove the blockage.
7.
Remove the wooden pole from the cutting unit
before you start the engine.
8.
Repair or adjust the cutting unit if necessary.
position.
FF
27
Checking the Caster Tire
Pressure
Service Interval: Every 50 hours
Ensure that the caster tires are filled to 2 to 3.5 bar
(30 to 50 psi).
Checking for Rotor
Vibration
Service Interval: Before each use or daily—Check for
any unusual vibration of the rotor.
To check for any unusual vibration of the rotor, run the
cutting unit at full-engine speed.
1.
Start the engine and move the machine to a
level, open area away from bystanders.
2.
Lower the cutting unit and engage the parking
brake.
3.
Engage the PTO and run the engine at full
throttle while watching for any unusual rotor
vibration.
4.
If the rotor vibration is unusual, perform the
following:
A.
Set the throttle to idle, shut off the PTO, and
raise the cutting unit.
B.
Shut off the engine, remove the key, and
wait for all moving parts to stop.
C.
Check the cutting unit for the following:
•
Debris preventing the rotor or blades
operating correctly and remove any
blockages; refer to
Rotor (page
•
A damaged rotor or worn rotor bearings;
refer to
Checking the Rotor Bearings
(page
28).
•
Missing, damaged, unbalanced, or
excessively worn blades; refer to
Sharpening the Blades (page 28)
Replacing the Blades (page
Important:
must have a similar amount of wear;
unbalanced blades may affect the
balance of the rotor.
Important:
If you cannot correct the cause
of unusual rotor vibration, contact your
authorized Toro distributor.
Clearing a Blocked
27).
and
29).
All opposing blade pairs
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