holding block on portside of strut with left hand propeller and
on starboard side side of strut with right hand propeller
holding block into position until wedge tip of stationery cutter
is 1/2 way into V of holding block. (Stop lines are marked
on the holding block). This positioning is necessary to
take upforward and aft shaft end
play allowing stationery cutter to move forward and aft.
(Shafts move slightly forward when vessel goes forward and slightly
aft when in reverse). We refer to this as end play.
B) Drill and tap
center hole first! (Photos #12 and #13). Mount holding block
with one screw. Then drill and tap other 2 holes with holding
block in place.