24
Hydraulic Systems
Here is a view of the closed loop main circuit and
charge circuit within the inline hydrostatic
Charge Flow – GM300
transmission from a Groundsmaster 300 Series.
The hydrostatic transmission will provide trouble free
operation if it is serviced and maintained properly.
There are, however, a few simple items that are often
overlooked when poor performance is evident.
Simple items often overlooked
1.
2.
The “ no-load” engine RPM. setting is too slow.
Worn, loose or misadjusted linkage is not
posi-tioning the swash plate actuating arm far
enough, even though the traction control pedal or
hand lever is fully pushed.
3.
The tow or bypass valve is partially open, letting
oil bypass in the main system.
The hydraulic oil filter or inlet line is not tightened
4.
sufficiently; air is being drawn in past the filter seal
into the charge pump, and then into the main circuit.
Air in the hydraulic system will cause cavitation and
damage the rotating components.
IMPORTANT: The “tow valve” is not to be used for
towing long distances, but should be used only to get
the machine out of the way or onto a trailer. Towing
over a distance will cause the traction circuit to run
out of oil because charge pump is not running.
Toro University Technical Training
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 09169SL |
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| Language | English |
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| Wikipedia's Page | Toro Company |
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Lawn and Garden readers have rated Toro Hydraulics Circuits Components Schematics Hydrostatic Drives Test Equipment 09169SL 3.0 out of 3.0 based on 1 product reviews. i am need information about circuit hydraulic of all machine