
SHIPMENT
ZF
TRANSMISSIONS
(HSW
MODELS)
INITIAL
OPERATION
For
safety reasons, the transmission is not filled with
transmission fluid during shipment and the selector lever is
temporarily attached to the actuating shaft.
Before leaving the WESTERBEKE plant, each transmission
undergoes a test run, with
Dextran
III ATF transmission fluid.
The residual fluid remaining in the transmission after
draining acts as a preservative and provides protection
against corrosion for at least one year
if
properly stored.
~:7"""4.'--::.U...-
FILTER
ASSEMBLY
OUTPUT
COUPLING,
__
..,.
OIL
COOLER
(Fluid)
The oil cooler, mounted above the transmission, provides
continuous cooling for the transmission fluid. Raw water
passes through the tubes
of
the cooler and discharges
overboard. The transmission fluid is cooled as it flows around
the tubes and back into the transmission.
WESTERBEKE
RECOMMENDS
HAVING
A
SPARE
COOLER
ABOARD
,~,~--TRANSMISSION
.RAW
WATER
CONNECTION
FLUID
CONNECTIONS
RAW
WATER
CONNECTION.
TRANSMISSION
FLUID
ZF
COOLER
Fill the transmission with Dextran III
ATF.
The fluid level
should
be
up to the mark
on
the dipstick. After checking the
level, press the dipstick into the case and
turn it to tighten.
During the first 25 operating hours, inspect the bell housing,
output shaft and transmission cooler for leakage. The fluid
should
be
changed after the first 25 hours and every 300
hours thereafter.
NEUTRAL
SWITCH
These transmissions are equipped with a neutral safety
switch. This is to prevent the engine from starting in gear.
Unless the transmission selector lever is perfectly aligned in
neutral, the engine starter will not activate.
Set the shifting lever to neutral position (N). Start the engine
and let it run long enough in idle to fill the cooler and hoses
with transmission fluid.
Shift into gear, forward and reverse;
shifting should
be
smooth and positive. Direct changes from
forward to reverse are permissible since the multiple disc
clutch permits changing at high rpm including sudden
reversing at high speeds in the event
of
danger.
After initial operation, make a visual inspection
of
the output
coupling, oil cooler and hoses, and the cable connections to
the transmission.
LOCKING
THE
PROPELLER
Locking
of
the propeller shaft by an additional brake is not
required: use the gear shift lever position opposite your
direction
of
travel for this purpose. Never put the gear shift in
the position corresponding to the direction
of
travel
of
the
boat.
WHEN
UNDER
SAIL
OR
BEING
TOWED
Rotation
of
the propeller without a load, such as when the
boat is being sailed, being towed
or
anchored in a river, as
well as operatipn
of
the engine with the propeller stopped
(for charging the battery), will have no detrimental effects on
the transmission.
NOTE:
When
the
boat
is
being sailed (engine
stopped),
the
gear shift must be
in
the
neutral position.
The
propeller
is
at
idle
and
can
free-wheel.
DAILY
OPERATION
D Check the transmission fluid.
D Visually check the gear shift linkage and transmission.
D Start the engine in neutral, allowing a few minutes at idle
to warm the fluid.
D Shift into gear.
NOTE:
Too
low
an
idle
speed will produce a chattering noise
from
the
transmission gear and damper
plate.
In
such
cases
the
idle
speed should
be
increased.
Operating
Temperature
The operating temperature
of
the transmission should not
exceed 176°F
(80°C). A connection for a temperature probe
is provided.
At
maximum output
of
the engine, the fluid may
reach
220°F (104°C).
A
CAUTION:
If
the
transmission
fluid
temperature
is
too
high,
stop
the
engine
immediately
and
check
the
transmission
fluid.
NOTE:
Ensure
the
transmission vent
is
operational.
Remove
seasonally
and
clean
with
carburetor
cleaner.
A stuck vent
will
cause
pressure
to
build
up
in
the
transmission and
cause
fluid
to
be
forced out
the
input and/or shaft
seals.
/"'11¥'lWESIERBEICE
I
Engines
&
Generators
41
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