And B.w. Transmission - Westerbeke 44A FOUR - 35C THREE Operator's Manual

J.S. AND B.W. TRANSMISSIONS
DESCRIPTION
The transmission's gear ratio is 2.47:1. The manual
transmission turns a righthand propeller when engaged in
forward. The JS/BW transmits it power with case-hardened
helical gears and in reverse an intermediate gear. The
reversing process is caried out by a servo double disc system.
For safety reasons, the transmission is NOT shipped with
lubricant in it. Before leaving the factory, each transmission
· is thoroughly tested with oil in the transmission. This testing
among other things provides all internal parts with a coating
of oil. This oil acts as a preservative, providing reliable
protection against corrosion for at least a year if the
. transmission is stored properly.
The transmission is an immersion-lubricated type. Fill the
transmission up to or near the top of the machined notch
cut on the dipstick with SAE20W or SAE30W engine oil
exclusively. Multigrade oils are not to be used
in
this
transmission.
DO
NOT mix grades of oil! Lubricating oils
may have an API spec. of CF, CG-4, CH-4 or CI-4.
LUBRICATION
The oil capacity for the transmission is approximately 1.0
quart (1.0 liter). Check the oil level daily after the.engine has
been warmed and stopped. The oil level should be main-
tained at the top of the machined flat on the dipstick when
the dipstick is completely inserted into the transmission hous-
ing. Make sure the two 0-ring gaskets on the dipstick are in
good shape. These 0-rings will keep the dipstick in place.
Change the transmission oil after the
fir~t
25 hours of engine
operation and thereafter every 250 hours or once a year, min-
imum. The transmission has a 6 mm Allen Hex wrench drain
plug for draining the oil. To make sure most of the oil will
drain from the transmission, warm the oil by running the
engine in NEUTRAL for approximately 10 to 15 minutes.
This oil may also be removed by attaching a pump into the
dipstick opening so the oil may be sucked out. The operating
oil temperature must not exceed 250°F (120°C).
CONTROLS
The only controls required to operate the transmission is a
single level remote controlled cable. The cable should be
attached to the gear box lever using the cable bracket
supplied with the
tihlt.
Both the gear box lever and the
remote control lever must be in
th~
NEUTRAL position
when the cableiis
attac~ed
to the gear box lever. This allows
the remote cable an equal throw distance to shift the gear box
into FORWARD or into REVERSE from the NEUTRAL .
position without running out of cable. Allow approximately
1-112 inches of cable throw from the NEUTRAL position on
the transmission's gear box lever to each of the two drive
positions.
35
If the throw distance (or travel) of the remote cable is too
short, the gear box lever cannot fully engage the transmission
into FORWARD or REVERSE. In this situation, the trans-
mission's internal clutches will wear prematurely and the
transmission may over heat and eventually fail.
Excessive throw distance in the remote control level is not
detrimental to the transmission. Note that the position of the
remote control lever should align with the NEUTRAL mark-
ing on its bracket when the transmission is really in
NEUTRAL.
GEAR
SHIFT
CABLE
•:·
...
SHIFTING
JS GEAR BOX SHIFT LEVER
NEUTRAL
To shift the transmission fron NEUTRAL into FORWARD,
exert a heavy push to the remote control lever. A gentle throw
may not carry enough force to actually shift the transmis-
sion's internal gears. A gentle throw is signalled by the trans-
mission not engaging into the desired drive. Make sure the
remote control lever is lubricated at least once each operating
season. Shift the transmission while the engine is running at
1200 rpm or below.
A
CAUTION:
NEVER remove or loosen .the two-bolt
gear box lever cover from transmission. The position of
this plate and the actuating level inside of the
transmission has been nnely adjusted at the factory to
ensure equal throw distance of internal mechanisms.
Loosening of this cover's capscrews voids the
transmission warranty.