Figure 8-3.--Intermediate assembly.
HIGH-SPEED PINIONS
first-reduction gear is mounted on the same shaft
with the second-reduction pinion. The first-
The port and starboard HS pinions are
reduction gear portion of the shaft is mounted in
identical. Each pinion has double helical teeth for
two sleeve bearings. A quill shaft is mounted in-
driving its associated first-reduction gears. The
side of the first-reduction gear and second-
shaft is mounted in two sleeve bearings. An SSS
reduction pinion shaft. The quill shaft is rigidly
clutch oil supply shaft is mounted on the inside
attached at the first-reduction gear end and
of the HS pinion. This shaft is designed to
connected at the second-reduction pinion end by
provide lube oil to the SSS clutch. On the star-
a dental coupling.
board side, the HS pinion also drives the
Each starboard quill shaft has a brake disc for
tachometer generator, revolution counter, and
a propeller shaft brake. The lower port quill shaft
magnetic speed sensor drive. On the port side, the
drives the controllable pitch propeller (CPP)
HS pinion is connected to the output of the turn-
hydraulic pump drive.
ing gear. With this type of connection, motion
is transferred through the port HS pinion to the
SECOND-REDUCTION PINIONS
remaining gears and pinions when the turning gear
The port and starboard second-reduction
is being operated.
pinions are identical. Each pinion has double
helical teeth for driving the bull gear. The second-
FIRST-REDUCTION GEARS
reduction pinion is mounted on the same shaft
The port and starboard first-reduction gears
with the first-reduction gear. The second-
are identical. Each gear has double helical
reduction pinion portion of the shaft is mounted
teeth driven by the high-speed pinion. The
in two sleeve bearings.
8-5
