Perkins M300TI Installation Manual page 13

TPD1317e
A B
1.25 0.31 1.39
1.38 0.31 1.52
1.50 0.38 1.67
Dimensions in inches
C D
Drill 15/32
Ream 5.75
0.5005-0
Figure 3 - Twin Disc gearbox couplings
E F G
3.0 3.4
1.
2.
3.
4.
5.
6.
7.
H I
1.12 4.25 3.12
Machining Procedure
Bore to size (dimension 'A').
Broach keyway 4.0" long (dimension
'B').
Split, 0.135 Max. width (dimension
'J').
Clamp the coupling to the propeller
shaft in the position shown.
Drill 15/32" Diameter hole through
the propeller shaft and far side of
the coupling, using the starter hole
(dimension 'D').
0.5005-0.4990 Diameter
through both the coupling and shaft.
Dismantle and clean, then assemble.
Chapter 2
J K
4.76
ream
Page 9