Toro 31970, Руководство оператора

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2. Remove the locknut from the bolt holding the
castor wheel assembly between the castor fork
(
Figure 23 ). Grasp the castor wheel and slide
the bolt out of the fork or pivot arm.
3. Remove the bearing from the wheel hub and
allow the bearing spacer to fall out (
Figure 23 ).
Remove the bearing from the opposite side of
the wheel hub.
4. Check the bearings, spacer, and inside of the
wheel hub for wear. Replace any damaged
parts.
5. To assemble the castor wheel, push the bearing
into the wheel hub. When installing the bearings,
press on the outer race of the bearing.
g004738
Figure 23
1. Castor wheel 3. Bearings
2. Castor fork 4. Bearing spacer
6. Slide the bearing spacer into the wheel hub.
Push the other bearing into the open end of the
wheel hub to captivate the bearing spacer inside
the wheel hub.
7. Install the castor wheel assembly between the
castor fork and secure it in place with the bolt
and locknut.
Servicing the Cutting
Blades
Blade Safety
A worn or damaged blade can break, and a piece of
the blade could be thrown toward you or bystanders,
resulting in serious personal injury or death.
•
Inspect the blade periodically for wear or damage.
•
Use care when checking the blades. Wrap the
blades or wear gloves, and use caution when
servicing the blades. Only replace or sharpen the
blades; never straighten or weld them.
•
On multi-bladed machines, take care as rotating 1
blade can cause other blades to rotate.
Checking for a Bent Blade
After striking a foreign object, inspect the machine
for damage and make repairs before starting
and operating the equipment. Torque all of the
spindle-pulley nuts to 176 to 203 N∙m (130 to 150
ft-lb).
1. Park the machine on a level surface, raise the
cutting unit to the T
RANSPORT
position, engage
the parking brake, shut off the engine, and
remove the key.
2. Raise the cutting unit to the S
ERVICE
position;
refer to your traction unit Operator’s Manual .
3. Rotate the blade until the ends face forward and
backward and measure from the inside of the
cutting unit to the cutting edge at the front of the
blade (
Figure 24 ).
Note:
Remember this dimension.
g010549
Figure 24
4. Rotate the opposite end of the blade forward
and measure between the cutting unit and
cutting edge of the blade at the same position
as in step
3 .
Note:
The difference between the dimensions
obtained in steps 3 and 4 must not exceed 3 mm
(1/8 inch). If the dimension exceeds 3 mm (1/8
inch), the blade is bent and must be replaced;
refer to
Removing and Installing the Cutting-Unit
Blade(s) (page 21) .
Removing and Installing the
Cutting-Unit Blade(s)
Replace the blade if it hits a solid object, is out
of balance, or is bent. Always use genuine Toro
replacement blades to ensure safety and optimum
performance.
1. Park the machine on a level surface, raise the
cutting unit to the T
RANSPORT
position, engage
the parking brake, shut off the engine, and
remove the key.
2. Raise the cutting unit to the S
ERVICE
position;
refer to your traction unit Operator’s Manual .
21