Toro Z Master 74926, Руководство оператора

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Brake Maintenance
Adjusting the Parking
Brake
Service Interval: After the first 100 hours
Every 500 hours thereafter
Note:
This procedure must be followed after the
first 100 hours or when a brake component has been
removed or replaced.
1. Drive the machine onto a level surface.
2. Disengage the blade-control switch (PTO), move
the motion control levers to the N
EUTRAL
-
LOCK
position, and engage the parking brake.
3. Shut off the engine, wait for all moving parts to
stop, and remove the key.
4. Raise the back of the machine and support the
machine with jack stands.
DANGER
Mechanical or hydraulic jacks may fail
to support machine and cause a serious
injury.
• Use jack stands when supporting
machine.
• Do not use hydraulic jacks.
5. Remove the rear tires from the machine.
6. Remove any debris from the brake area.
7. Rotate the drive-wheel release handle to
the released position; refer to
Using the
Drive-Wheel-Release Valves (page 30) .
8. Check to see if there is a visible gap between
the L-bracket and the linkage stop (
Figure 80 ).
g026961
Figure 80
Left Side Shown
1. L-bracket 4. Rear linkage assembly
2. Linkage stop 5. Caliper
3. Gap 6. Wheel hub
9. Disengage the parking brake, the lever should
be in the down position.
10. Turn the wheel hub by hand in both directions
relative to the caliper; the wheel hub should
move freely between the caliper.
11. If a gap is needed or the wheel hub does not
move freely:
A. Disengage the parking brake.
B. Disconnect and fine-tune the rear linkage
assembly:
•
Shorten the link to create a gap.
•
Lengthen the link to allow wheel hub
movement.
C. Connect the rear linkage assembly.
12. Engage the parking brake and check the gap.
13. Repeat steps 9 through 13 until a visible gap is
achieved and the wheel hub rotates freely.
14. Repeat this procedure for the brake on the
opposite side.
15. Rotate the drive-wheel release handle to
the operating position; refer to
Using the
Drive-Wheel-Release Valves (page 30) .
16. Install the rear tires and torque the lug nuts; refer
to
Checking the Wheel-Lug Nuts (page 50) .
17. Remove the jack stands.
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