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ALIGNMENT

TM-55-1905-242-14 Landing Craft Mechanized (LCM-8) (All Vessels with Mod 2 Applications) (ROHR Models) NSN 1905-01-465-7599 (EIC DWD) Manual

STUFFING BOX, REPAIR/REPLACE

TM 55-1905-242-14

0202 00

ALIGNMENT (continued)

11. Maximum allowable parallel misalignment is 0.025 inch (0.10 mm). Parallel misalignment is corrected by loosening the

engine/marine transmission mounting bolts, and adjusting the engine and marine transmission up, down, or sideways as

necessary. After adjusting the alignment, tighten the engine/marine transmission mounting bolts and recheck the

alignment.

12. It is frequently necessary to adjust both the angular and the parallel alignment several times before the correct alignment

is obtained. Once the proper angular and parallel alignment measurements are obtained, retighten the mounting bolts

one last time and recheck the measurement.

13. Once the final alignment has been obtained, slide the propeller shaft (5) forward to mate the shaft coupling (3) and the

transmission output flange (4).

14. Secure the shaft coupling (3) to the transmission output flange (4) with the bolts (1) and nuts (2).

15. Remove the lockouts and tagouts and check the operation of the propulsion system, watching for any unusual noise or

vibration.

END OF WORK PACKAGE

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