TH400 rebuild tech
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[[file:Rear-thrustshim.jpg]] | [[file:Rear-thrustshim.jpg]] | ||
| − | The total thickness of the bearing as compared to the thrust and selective is very close, it is usually about .150". It is best to adjust rear endplay on the tight side. On a Th400 (unless it has straight cut planetary gears) the planets will try to thrust load against the case bearing and the center support. | + | The total thickness of the bearing as compared to the thrust and selective is very close, it is usually about .150". |
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| + | [[file:Rear-bearing-measure.jpg]] | ||
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| + | It is best to adjust rear endplay on the tight side. On a Th400 (unless it has straight cut planetary gears) the planets will try to thrust load against the case bearing and the center support. | ||
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I disassemble the rear output shaft from the output ring gear and clean and inspect the planets. Refer to manual for checking procedures and specs. It is shown here re-assembled with the reaction carrier and sun gear ready to be re-assembled. | I disassemble the rear output shaft from the output ring gear and clean and inspect the planets. Refer to manual for checking procedures and specs. It is shown here re-assembled with the reaction carrier and sun gear ready to be re-assembled. | ||
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| + | [[file:Rear_planets.jpg]] | ||
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Slide the reaction carrier onto the rear planet assembly, drop in the sun gear, flat side toward the front of trans. | Slide the reaction carrier onto the rear planet assembly, drop in the sun gear, flat side toward the front of trans. | ||
Then slide the reaction tube in, shown to the rear: | Then slide the reaction tube in, shown to the rear: | ||
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| + | [[file:Reaction_tube.jpg]] | ||
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It is best to have the center support already ready. | It is best to have the center support already ready. | ||
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