38
L510023-07
Figure 35 Shaft Mating Surface Check - V-Drives
Figure 37 Centering Propeller Shaft - V-Drives
Figure 36 Centering Propeller Shaft - 8 Degree Down
Angle
Figure 38 Angular Alignment - 8 Degree Down Angle
2. Center the propeller shaft in the shaft log as
follows:
A. Push down and then lift the propeller shaft as
far as it will move, then place the shaft in the
middle of the movement.
B. Move the shaft to the port and then to the
starboard as far as the shaft will move,
then place the shaft in the middle of the
movement.
C. With the propeller shaft in the middle of the
shaft log, align the engine to the shaft.
3. Check that the coupling center lines align by
butting the propeller shaft coupling against the
transmission coupling. The shoulder on the
propeller shaft coupling face should engage
recessed on the transmission coupling face, with
no resistance.
NOTICE: Some propeller shaft couplings may not have a
shoulder on the mating surface. On these installations,
use a straight edge to check the centerline alignment.
4. Check for any angular misalignment. Hold
coupling faces tightly together and check for a
gap between the coupling faces, with a 0.003 in.
(0.07 mm) feeler gauge, at 90-degree intervals.
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