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Cattle Boards
Trucks, Tractors & Machinery
JD 310C Transmission problems
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<blockquote data-quote="Earl Thigpen" data-source="post: 570165" data-attributes="member: 3999"><p>Granny, I am assuming this hydrostatic transmission means planatary with hydraulic clutches like an automatic transmission in a car or PU. If this is a correct assumption then the problem is stuck forward clutch pack. There is one clutch pack for forward and one for reverse (assuming). If the forward clutch pack is stuck together then placing the transmission in neutral does NOT disengage the forward clutch pack (stuck). Placing the transmission in reverse stalls the engine because you can't have two clutch pack engaged at the same time (lockup). This happens a lot with automatic transmissions. I'll bet you saw "slippage" from time to time when in forward before this happened. The friction discs and steel reaction disc were slipping past one another until the friction discs finally wore away then you've got steel on steel and the steels eventually got hot enough to weld themselves together - stuck.</p><p></p><p>Pull the dip stick out and look and smell the oil. The oil will be really dark and have a burned smell if the above condition happened.</p></blockquote><p></p>
[QUOTE="Earl Thigpen, post: 570165, member: 3999"] Granny, I am assuming this hydrostatic transmission means planatary with hydraulic clutches like an automatic transmission in a car or PU. If this is a correct assumption then the problem is stuck forward clutch pack. There is one clutch pack for forward and one for reverse (assuming). If the forward clutch pack is stuck together then placing the transmission in neutral does NOT disengage the forward clutch pack (stuck). Placing the transmission in reverse stalls the engine because you can't have two clutch pack engaged at the same time (lockup). This happens a lot with automatic transmissions. I'll bet you saw "slippage" from time to time when in forward before this happened. The friction discs and steel reaction disc were slipping past one another until the friction discs finally wore away then you've got steel on steel and the steels eventually got hot enough to weld themselves together - stuck. Pull the dip stick out and look and smell the oil. The oil will be really dark and have a burned smell if the above condition happened. [/QUOTE]
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JD 310C Transmission problems
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