﻿GET_GEVOMechL2_08_01_01_89 - ANIMATION Screen
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Traction Motor Combo Installation

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1. Remove all dirt and weld splatter from the traction motor nose suspension lugs and the traction motor nose suspension area of the truck frame.

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2. Transfer the traction motor combo to the drop table, and place suitable blocking under the motor frame to raise the motor lugs.

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3. Position the drop table and the traction motor combo under the truck with the axle journal bearing housings aligned with the journal bearing housings in the truck frame.

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4. Level the axle journal bearing housings, and apply C-clamps on each wheel rim below each side of the axle journal bearing housings to prevent it from rotating during traction motor combo installation.

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5. Raise the drop table with the traction motor combo.

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6. Install the truck pedestal liners, and ensure that the coil springs seat properly as the traction motor combo is raised.

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7. Raise the drop table until the axle journal bearing housings are completely in place, with the drop table assuming part of the weight of the truck.

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8. Install the four axle journal bearing housing retainers on the truck pedestal legs.

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9. Torque the retainer bolts to 296 to 329 lb.-ft. (401 to 446 Nm).

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10. Remove the four coil spring retaining straps.

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11. Lower the hydraulic jacks and remove all wooden blocks from under the traction motor and the truck.

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12. Connect the AC traction motor nose suspension as follows:

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a. Release the come-along or chain rigging.

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The suspension link should spring back under the motor lugs.

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b. Lower the motor frame until the suspension link is supporting the weight of the traction motor combo.

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c. Insert CAMCAR bolts through the suspension link motor lugs and hand-tighten the nuts.

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d. Tighten the CAMCAR bolts with the special socket until the head shears off each bolt.

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13. Install the DC traction motor nose suspension as follows:

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a. Slide the nose suspension assembly sideways, into the truck frame.

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b. Lower the traction motor combo slightly, and install the cotter pins and retaining pins, securing the vertical keeper pins in the nose suspension assembly.

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c. Loosen the nuts to de-compress the nose suspension assembly.

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d. Remove the 1/2-13 x 6.5 inch (165 mm) long bolt and nuts previously installed between the U-channels on both sides of the nose suspension assembly.

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e. Lower the traction motor nose into position.

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14. For traction motor combos in positions 1, 3, 4, and 6, connect axle snubbers to the journal box adapters at both ends of the axle, then torque the snubber bolts to 197 to 219 lb.-ft. (267 to 297 Nm).

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15. Connect the traction motor air duct boot to the top of the motor.

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16. Lubricate the air duct bolts with a Wabtec approved Moly-based lubricant (84B565364A1) or light machine oil.

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17. Install the bolts and then torque to 50 to 55 lb.-ft. (68 to 75 Nm).

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18. If the traction motor combo installed is one of the end assemblies on the truck, return the sand brackets at both ends of the axle, then install and torque the sand bracket bolts to the proper value.

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19. Install the brake shoes and the slack adjustor pins, then adjust the slack adjusters.

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20. Connect the speed sensor cable of the traction motor combo to its connection under the locomotive platform.

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21. If equipped, connect the bearing temperature sensor cables.

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22. Connect all power cables and the traction motor ground cable to their connections under the locomotive platform.

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23. Release and remove all jacks and chocks used to support or secure the truck for traction motor combo removal.

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24. Activate the brakes by opening the truck cut-out cock.

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25. Check the level of lubricant in the gear case, and add lubricant as required.
