Toro Groundsmaster 4500-D, Руководство оператора

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Checking the Blade Stopping Time
Service Interval: Before each use or daily
The blades of the cutting deck should come to a complete
stop in approximately 5 seconds after you shut down the
cutting deck engagement switch.
Note:
Make sure the decks are lowered onto a clean section
of turf or hard surface to avoid thrown dust and debris.
To verify this stopping time, have a second person stand back
from the deck at least 6 m (20 feet) and watch the blades
on one of the cutting decks. Have the operator shut the
cutting decks down and record the time it takes for the blades
to come to a complete stop. If this time is greater than 7
seconds, the braking valve needs adjustment. Call your Toro
Distributor for assistance in making this adjustment.
Servicing the Front Roller
Inspect the front roller for wear, excess wobble, or binding.
Service or replace the roller or components if any of these
conditions exist.
Disassembling the Front Roller
1. Remove the roller mounting bolt ( Figure 63 ).
2. Insert a punch through the end of the roller housing
and drive the opposite bearing out by alternating taps
to the opposite side of inner bearing race. There should
be a 1.5 mm (0.060 inch) lip of inner race exposed.
G01 1356
1
2
3
4
Figure 63
1. Front roller 3. Bearing
2. Mounting bolt 4. Bearing spacer
3. Push the second bearing out in press.
4. Inspect the roller housing, bearings, and bearing spacer
for damage (
Figure 63 ). Replace damaged components
and assemble.
Assembling the Front Roller
1. Press the first bearing into the roller housing ( Figure
63 ). Press on the outer race only or equally on the
inner and outer race.
2. Insert the spacer ( Figure 63 ).
3. Press the second bearing into the roller housing ( Figure
63 ) pressing equally on the inner and outer race until
the inner race comes in contact with the spacer.
4. Install the roller assembly into the deck frame.
Important:
Securing the roller assembly with a
gap larger than 1.5 mm (0.060 inch) creates a side
load on the bearing and can lead to premature
bearing failure
5. Verify that there is no more than a 1.5 mm (0.060 inch)
gap between roller assembly and the roller mount
brackets of the deck frame. If there is a gap over 1.5
mm (0.060 inch), install enough 5/8 inch diameter
washers to take up the slop.
6. Secure the mounting bolt to 108 N-m (80 ft-lb).
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