Electric Sets Without Supports at the Flywheel Housing

Electric Sets Without Supports at the Flywheel Housing (cont)

TM-55-1930-209-14P-9-4 Water Purification Barges (NSN 1930-01-234-2165) Electric Power System Manual
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SR 4 GENERATOR DISASSEMBLY AND ASSEMBLY Electric Sets Without Supports at the Flywheel Housing GENERATOR SET 11. Bolts. 12. Base. a. If base (12) of the electric set is fastened to a foundation, loosen all base-to-foundation bolts. Loosen all bolts (11) that fasten the engine supports to base (12). b. Check to be sure there is clearance between the bolts and the bolt holes in the base, engine supports and generator supports at all locations. c. Check the clearance between the base and its foundation at all mounting locations. Use shims as necessary to prevent deflection of the base as the base-to-foundation bolts are tightened. When there is no deflection in the base tighten all base-to-foundation bolts to their final torque. CHECK CLEARANCE 10. Support. d. Check the clearance between the base and the engine and generator supports at all four location (11). Be sure to check the clearance over the entire length of the support. This is especially important on generators with long supports (10), since some surfaces may not be square or parallel. Use shims as necessary to prevent deflection of the supports as the bolts are tightened. After all the necessary shims have been installed, tighten all mounting bolts to their final torque. Electric Sets With Supports at the Flywheel Housing GENERATOR SUPPORT 10. Support. 12. Base . a. If base (12) of the electric set is ,fastened to a foundation, loosen all base-to-foundation bolts. Loosen all bolts that fasten the engine and generator supports to the base. b. Check to be sure there is clearance between the bolts and the bolt holes in the base, engine supports and generator supports at all locations. c. Check the clearance between the base and its foundation at all mounting locations. Use shims as necessary to prevent deflection of the base as the base-to-foundation bolts are tightened. When there is no deflection in the base, tighten all base-to-foundation bolts to their final torque. d. Loosen all bolts (7) that fasten the generator to the flywheel housing. Tighten every other bolt to its final torque. Check the clearance between the base and the engine and generator supports at all six locations. Be sure to check the 141

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