Rotary Mowers
17
The deck spindles usually run at approximately 2000
to 2500 RPM. They feature tapered roller bearing for
impact resistance and durability. The spindles can
be disassembled and repaired, or a complete
assembly may be installed.
Spindle assembly
Pulley
Matched
Bearing Set
The spindle assemblies should be greased as part of
a regularly scheduled maintenance program. If done
properly this will ensure long life while also purging
contaminates from the assembly.
Seals
Housing
Shaft
The Spindle Housing.
Spacer and
Seal Surface
This component is usually reused when a spindle is
rebuilt unless it was damaged when the spindle
failed.
The Shaft
Running up through the center of the housing is the
shaft. This is the component that runs in the
bearings and the blade is fastened to it. This
component can usually be reused also unless it was
damaged during the failure or is possibly bent by the
blade contacting something. Before reassembling
the spindle assembly, the shaft should be checked to
see if it is bent, the areas on the shaft where the
bearing run needs to be examined, as well as any
areas where seals contact the shaft.
Matched Bearing Set
The matched bearing set includes the bearing races,
bearing cones (Roller bearings) and a set of spacers.
This must be replaced in a set.
Seals
The spindle assembly also includes two seals. The
orientation of these seals is also important to the
overall performance and longevity of the spindle
assembly.
Greasing a bearing after every use and after any
washing not only lubricates, but purges water which
is responsible for the majority of bearing failures on
this type of equipment.
Castor Wheels, Rollers, Lift Arms
Toro University Technical Training
| Categories | Lawn Mower Manual, Toro Lawn Mower Manual |
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