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Hydraulic Systems
On a remote hydrostatic motor type system the
hydrostatic motors can be a gear motor, gerotor
motor or a piston type motor as shown here. On
some designs a single motor is used to drive a
differential transaxle. Another design uses individual
motors for each wheel, either driving the wheels
directly or through a planetary gear drive.
Motors
When the motor is built as part of the complete
assembly like an inline or U type system the motor is
a piston type motor very similar the piston pump
except that the swash plate is usually a fixed swash
plate. Being fixed the stroke of the pistons remain
constant. The motor’s speed of rotation can not be
changed except by changing the volume of oil that it
receives from the pump. Remember that a given
column of oil will cause the motor to turn at a given
speed. More oil will in-crease the motor speed. Less
oil will slow it down.
Piston Motor
Gear Motor
Gerotor Motor
Overall Operation
As the engine turns the pump rotating group, the
pistons run on the swash plate which is in the neutral
position. With the swash plate in neutral there is no
movement of the pistons so no oil is being pumped.
As the operator moves the traction control pedal the
swash plate angle increases and the pump pistons
begin to displace oil. This oil is directed to the pump
section and the unit moves.
Toro University Technical Training
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro 09169SL |
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| Language | English |
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| Wikipedia's Page | Toro Company |
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