Westerbeke 50 - Page 75

S.36
CHANGING OIL
It is recommended that the transmis-
sion oil be changed once each season.
After draining oil from the unit. the
removable oil screen should be
thoroughly cleaned before refilling
the transmission with the recom-
mended oil (ATF) Type "A".
REDUCTION GEAR BOX
The reduction gear box operates in
conjunction with the direct drive unit.
The reduction gear box consists of a
planetary gear set which reduces the
input revolutions. to a fixed ratio.
It is recommended that all installa-
tions using a reduction gear have a
suitable locking device or brake to
prevent rotation of the propeller shaft
when the boat is not under direct pro-
pulsion. If the marine gear is not in
operation and the forward motion of
the boat causes the propeller shaft to
rotate, lubricating oil will not be cir-
culated through the gear because the
oil pump is not in operation. Over-
heating and damage to the marine gear
may result unless rotation of the pro-
peller shaft is prevented.
Except in an emergency. shift from
forward to reverse drive through
neutral at engine speeds below
1000 rpm to prevent damage to the
engine. or marine gear.