Westerbeke 21A Manual de instalación descargar pdf (Pagina 40)

SHIPMENT

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 Dextron 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.

TRANSMISSION FLUID

Fill the transmission with Dextron 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.

CONNECTION OF GEAR BOX WITH PROPELLER

Use a flexible connection between the transmission gearbox

and the propeller shaft if the engine is flexibly mounted, in

order to compensate for angular deflections. The installation

of a special propeller thrust bearing is not required, since the

propeller thrust will be taken by the transmission bearing,

provided the value specified under SPECIFICATIONS is not

exceeded. However, the output shaft should be protected

from additional loads. Special care should be taken to prevent

torsional vibration. When using a universal joint shaft, make

certain to observe the manufacturers instructions.

Even with the engine solidly mounted, the use of flexible

coupling or *“DRIVESAVER” will reduce stress in the

gearbox bearings caused by hull distortions, especially in

wooden boats or where the distance between transmission

output flange and stern gland is less than about 800mm.

*DRIVESAVER is a product of Globe Marine, Rockland, MA.

CONTROL CABLES

NOTE: When installing the transmission, make certain that

shifting is not impeded by restricted movability of the

Bowden cable or rod linkage, by unsuitably positioned guide

sheaves, too small a bending radius, etc. In order to mount a

support for shift control cable connections, use the two

threaded holes located above the shift cover on top of the

gear housing. Refer to the WESTERBEKE parts list.

CONTROL CABLES

The transmission is suitable for single lever remote control.

Upon loosening the retaining screw, the actuating lever can

be moved to any position required for the control elements

(cable or rod linkage). Make certain that the shift lever does

not contact the actuating lever cover plate: the minimum

distance between lever and cover should be 0.5mm.

The control cable or rod should be arranged at right angle to

the actuating shift lever when in the neutral position. The

neutral position of the operating lever on the control console

should coincide with the neutral position of this lever.

The shifting travel, as measured at the pivot point of the

actuating lever, between the neutral position and end

positions A and B should be at least 35mm for the outer and

30mm for the inner pivot point.

A greater amount of shift lever travel is in no way

detrimental and is recommended. However, if the lever

travel is shorter, proper clutch engagement might be impeded

which, in turn, would mean premature wear, excessive heat

generation and clutch plate failure. This would be indicated

by slow clutch engagement or no engagement at all.

NOTE Check for proper lever travel at least each season.

For additional information contact:

ZF Industries

Marine US Headquarters

3131 SW 42nd Street

Fort Lauderdale, FL 33312

Tel.: (954) 581-4040

Fax: (954) 581-4077

WWW.ZF-MARINE.COM

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Westerbeke 21A Manual de instalación Pagina 40

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