II- Manual introduction The purpose of this manual is to provide service and repair information for the RT400 transaxle. Also included are exploded view, troubleshooting and repair procedures. III- RT400 transaxle general description The RT400 transaxle is design to provide an infinitely variable speed range thru one pedal control, and a reverse operation thru an hand control.
External Controls and Functions Belt drive pulley Right wheel shaft Left wheel shaft Panic brake lever Speed lever Bypass lever: Allows you to move the vehicle with the engine off Forward / Neutral / Reverse This document is our property. It can't be used, duplicated or given to third parties without our written authorization...
-The product identification is located on the right output shaft. -For each parts request, indicate the product reference and revision. 2- By the sticker on the upper case Line: Product traceability Line: Bar code Line: GT product number Safety Personal Safety Tool Safety Safety precautions must be observed while Use the proper tools and equipment for the servicing or repairing the transmission.
General Instructions Preliminary check before tearing down the transmission - Clean up the transmission - Check all the linkages between tractor and transmission (see owner manual) - Check the belt routing - In case of failure in cold condition, check the transmission functionality after a while in a dry place.
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- Verify the position of the inversion rod. - Verify the presence of the brake spring. - Ensure that both variation levers are in the correct position. This document is our property. It can't be used, duplicated or given to third parties without our written authorization...
Troubleshooting TROUBLESHOOTING CHECKLIST P.10 P.10 P.12 P.13 P.14 Customer complaints Potential failure Component to replace OP 1 OP 2 OP 3 OP 4 OP 5 OP 6 OP 7 Failure of the driven pulley driven kit GT79244 Failure of the driver pulley driver kit GT79398 Damage belt...
Repair Procedures OP 1. Driven kit replacement -After tearing down the transmission, visually check all the components shown below. If one of the components is damaged, the driven kit needs to be replaced. -In certain cases the belt and parts of the driver pulley may have been damaged, and might also need to be replaced.
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Repair Procedures OP 2. Driver kit replacement -Remove the 4 screws to release the driver pulley system -In few cases, belt and parts of the driven pulley may have been damaged, and might also need to be replaced. Important note: When reassembling the components, respect the tightening torque of , 28.3±1 lb.-in the screw General Transmissions recommends using...
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Repair Procedures OP 3. Belt replacement -If belt replacement is necessary, follow the OP1 "Driven pulley removal" and OP2 "Driver pulley removal". -In most cases, parts of the both driver and driven pulley may have been damage, and might also need to be replaced.
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Repair Procedures -It is necessary to rotate the shift came to the reverse position, for removing the brake and bypass levers. -To remove the brake lever, separate and hold the 2 strips of the lever, to release the two studs and allow the lever removing.
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Repair Procedures OP 5. Cam replacement Screw Shift cam Washer Important note: When reassembling the components, respect the tightening torque of , 19.5±1 lb.-in the screws General Transmissions recommends using Loctite 454 when tightening the screws This document is our property. It can't be used, duplicated or given to third parties without our written authorization...
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Repair Procedures OP 6. Inversion kit replacement -First remove the inversion lever from the upper case, then remove the spring from the fork lever. -To install a new inversion rod: 1- Insert the rod in the inversion fork lever. 2- Insert the rod in the inversion lever. 3- Install the inversion lever on the transmission.
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Repair Procedures OP 7. Variation kit replacement - First remove the wire rod, to be able to remove the control lever and variation parts. - The 5 parts are available in the variation kit. Wire rod Variation rod Rod support Control lever Variation levers -When putting back the components on the transmission, make sure that the both...
Exploded View Item Designation Driven kit / Secondary pulley GT79244 Belt GT37419 Shift cam GT79246 Variation kit GT79362 Brake kit GT79247 Brake spring GT36043 Shield GT38808 Driver kit / Primary pulley GT79398 Inversion kit GT79263 This document is our property. It can't be used, duplicated or given to third parties without our written authorization...
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Driver kit exploded view GT79398 Main pulley flange Screw x4 Driver support Bearing Pulley spacer x2 Spacer Fixed flange Bearing Driver shaft Mobile flange Ramp pin Fixed ramp Spring Screw x3 Cover Bearing Control bushing This document is our property. It can't be used, duplicated or given to third parties without our written authorization...
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Driven kit exploded view GT79244 Screw Washer Spring Belt Mobile flange Bearing Fixed flange Washer This document is our property. It can't be used, duplicated or given to third parties without our written authorization...
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Variation kit exploded view GT79362 Wire rod Control lever Variation rod Rod support Variation lever x2 Brake kit exploded view GT79247 Screw Aluminum lever Brake spring O-ring Roller Roller axle Brake lever Bypass lever This document is our property. It can't be used, duplicated or given to third parties without our written authorization...
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Shift came exploded view GT79246 Inversion control exploded view GT79263 This document is our property. It can't be used, duplicated or given to third parties without our written authorization...
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Compression limiters GT79264 (6 per package) Hardware kit GT79265 - 6 screws 5x16, also included in the driver kit (4) and the brake kit (2). - 1 screw 4x16 and 1 washer, also included in the shift cam kit. - 1 screw 4x16 and 1 spring washer, also included in the driven kit. Belt GT37419 Cover GT38808 This document is our property.
Notes ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… …………………………………………………………………… This document is our property. It can't be used, duplicated or given to third parties without our written authorization...
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Drive solutions for outdoor power equipment General Transmissions General Transmissions inc. BP 317 – ZI du Bois Joly Sud 302 Lorenaly Drive, Suite E 2, Rue Johannes Gutemberg Brownsville, TX 78526 85503 Les Herbiers Cedex France General Transmissions China General Transmissions inc. General Transmissions (Suzhou) 27351 Spectrum way 82 Ping Sheng Lu, SIP...
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