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 TM 55-1905-220-14-10
5-5. MARINE GEAR MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
ADJUSTMENT IN CRAFT (Cont)
NOTE (Cont)
(3) Then the marine gear flange coupling is rotated 90, 180 and 270 degrees with the feeler blade
being moved around the flange again in each successive position. If the alignment is correct, the
feeler gauge will fit snugly, with the same tension, all around the flange coupling.
(4) If the alignment varies during rotation, then further alignment is necessary, or the marine gear
and shaft couplings could be checked for improper face runout. Face runout on the marine gear
output flange can usually be corrected by repositioning the coupling on its spline. Shaft coupling
runout is usually due to an inaccuracy of taper fit or key interference.
5-147
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