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 TM 55-1905-219-14-4
3-54.
LINE SHAFTING (PORT SIDE ONLY) - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
ADJUSTMENT (Cont)
fit is very critical. Place a 0.002
inch (0.005 cm) feeler gauge between the
flanges of the coupling. The feeler
gauge is moved (slid) completely
around the coupling.
(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.
3-997
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