How Do I Diagnose a Hydrostatic Leak in My Cub Cadet 1330?
The Cub Cadet 1330 is a riding lawn mower with a hydrostatic transmission, which consists of a hydraulic system instead of the typical belts and gears inside a mower. The hydraulic pump and motor are part of the transmission, which creates a pressurized flow of oil. This oil is sent to the motor and then to the motor circuit and allows the mower to be operated at different speeds. If the hydraulic, or hydrostatic, oil is leaking, identifying and troubleshooting the issue is necessary for the Cub Cadet to operate normally and may require a few different steps. Does this Spark an idea?
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Instructions
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Identify a possible hydrostatic transmission leak by looking at any fluid that has leaked onto the ground from the mower and is oily and somewhat red in appearance, similar to cherry cough syrup in color. Other potential indicators include noisy mower operation and difficulty shifting the mower between gears.
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Park the mower on a stable, hard surface and turn off the engine. Set the parking brake for safety.
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Allow the mower to cool completely and then move the seat up to the highest position by pulling up on the seat adjustment lever and lifting up on the seat.
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Locate the transmission system underneath the mower, which is near the front, close to the center and to the right of the oil fill tank, which has a cap in the middle.
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Check the hydraulic inlet hose on the far right of the oil tank and tighten any loose connections, as a loose hose connection can cause fluid to leak out of the hose.
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Clean away any fluid near the inlet hose connections once tightened to prevent any residual leaks from oil around the hose.
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Inspect the transmission oil filter, which is located at the end of the tube between the oil tank and the hydraulic hose. Tighten the filter and clean away any residue, as the filter can leak hydrostatic fluid if the connection is loose.
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Tips & Warnings
Contact Cub Cadet for additional service if the identification and troubleshooting steps do not stop the hydrostatic transmission leak or the leaking fluid is cloudy, burned-smelling or muddy-looking. These are signs that the transmission fluid should be drained and replaced fully or that there is transmission damage that requires repair.
Do not attempt this task if you are not confident that you can do so safely and completely. Contact Cub Cadet or another qualified service professional instead.
