Installation manual
INTRODUCTION 
This WESTERBEKE Marine Diesel Engine is a product 
of 
WESTERBEKE' S long years 
of 
experience and ad-
vanced technology. We take great pride in the superior 
durability and dependable performance 
of 
our engines 
and generators. Thank you for selecting WESTERBEKE. 
In order to get the full use and benefit from your 
engine, it is important that you operate and maintain it 
correctly. This manual is designed to help you do this. 
Please read this manual carefully and observe all the 
safety precautions throughout. 
Should your engine re-
quire servicing, contact your nearest WESTERBEKE 
dealer for assistance. 
This is your operators manual. A 
Parts Catalog is 
also provided and a Technical Manual is available from 
your WESTERBEKE dealer. Also, 
if 
you are planning 
to 
install this equipment, contact your WESTERBEKE 
dealer for 
WESTERBEKE'S installation manual. 
WARRANTY 
PROCEDURES 
Your WESTERBEKE Warranty is included in a 
separate folder. 
If 
you have not received a customer 
identification card registering your warranty 
60 days after 
submitting the warranty registration form, please contact 
the factory in writing with model information, including 
the unit's serial number and commission date. 
TYPICAL 
CUSTOMER 
IDENTIFICATION 
CARD 
WESTERBEKE 
CORPORATION· 
AVON 
INDUSTRIAL 
PARK 
AVON, 
MA 
02322· 
TEL: 
(508) 
558·7700· 
FAX: 
(508) 
559-9323 
Customer Identification 
WESTERBEKE OWNER 
MAIN 
STREET 
HOMETOWN, USA 
Model 55A Four  Ser. #U53890-48 
Expires 
7/20/97 
PRODUCT 
SOFTWARE 
Product software (tech data, parts lists, manuals, 
brochures and catalogs) provided from sources other than 
WESTERBEKE are not within 
WESTERBEKE'S 
CONTROL. 
WESTERBEKE 
CANNOT 
BE 
RESPONSIBLE FOR 
THE CONTENT 
OF 
SUCH 
SOFTWARE, 
MAKES 
NO 
WARRANTIES OR REPRESENTATIONS WITH 
RESPECT 
THERETO, INCLUDING ACCURACY, 
TIMELINESS 
OR COMPLETENESS THEREOF 
AND 
WILL 
IN 
NO 
EVENT 
BE 
LIABLE FOR 
ANY 
TYPE 
OF 
DAMAGE 
OR 
INJURY 
INCURRED 
IN 
CONNECTION 
WITH 
OR ARISING 
OUT 
OF 
THE FURNISHING OR 
USE 
OF 
SUCH SOFTWARE. 
WESTERBEKE customers should also keep in mind 
the time span between printings 
of 
WESTERBEKE 
product software and the unavoidable existence 
of 
earlier 
WESTERBEKE manuals. In summation, product soft-
ware provided with WESTERBEKE products, whether 
from WESTERBEKE or other suppliers, must not and 
cannot be relied upon exclusively 
as 
the definitive 
authority on the respective product. 
It 
not only makes 
good sense but is imperative that appropriate representa-
tives of WESTERBEKE or the supplier in question be 
consulted to determine the accuracy and currentness 
of 
the product software being consulted by the customer. 
NOTES, 
CAUTIONS 
AND 
WARNINGS 
As this manual takes you through the operating proce-
dures, maintenance schedules, and troubleshooting 
of 
your marine engine, critical information will be high-
lighted by 
NOTES, CAUTIONS, and WARNINGS. An 
explanation follows: 
NOTE: 
An 
operating procedure essential to note. 
A 
CAUTION: 
Procedures, 
which 
if 
not 
strictly 
observed, 
can 
result 
in 
the 
damage 
or 
destruction 
of 
your 
engine. 
A 
WARNING: 
Procedures, 
which 
if 
not 
properly 
followed, 
can 
result in 
personal 
injury 
or 
loss 
of 
life. 
I"VVI 
WESTERBEKE 
I 
Engines 
& 
Generators 
2 










