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GENERAL INFORMATION
Introduction
This manual contains the equipment operating procedures as well as additional information
needed to help the operator keep the marine equipment in proper working order. Study and
follow the instructions carefully. A planned maintenance program is included in this manual.
Adhering to the program will result in better equipment performance and longer equipment life.
Proper diagnosis of a problem is the most important step to satisfactory repair; therefore, a
troubleshooting table is included.
Understanding the Diesel Engine
The diesel engine closely resembles the gasoline engine since the mechanism is essentially
the same. The cylinders are arranged above a closed crankcase; the crankshaft is of the same
general type as that of a gasoline engine; and the diesel engine has the same type of valves,
camshaft, pistons, connecting rods, and lubricating system.
Therefore, to a great extent, a diesel engine requires the same preventitive maintenance as a
gasoline engine. The most important factors are proper ventilation and proper maintenance of
the fuel lubricating and cooling systems. Replacement of fuel and lubricating filter elements at
the time periods specified is a must, and frequent checking for contamination (that is, water,
sediment, or algae) in the fuel system is also essential. Another important factor is the use of
the same brand of high detergent diesel lubricating oil designed specifically for diesel engines.
Be careful not to put gasoline in the diesel fuel tank(s). Gasoline does not have the same
lubricating qualities as diesel fuel; consequently, gasoline in the fuel lines will damage components
in the fuel injection pump and fuel injectors.
The diesel engine does differ from the gasoline engine; however, in its handling and firing
of fuel. The carburetor and ignition systems are done away with and it their place are two
components - the fuel injection pump and the fuel injectors.
Protecting Your Investment
The five most important steps to insure long engine life are:
1. Proper installation. In particular, the use of an anti-siphon break to preclude raw
water intrusion into the engine via the exhaust elbow is essential.
2. Avoid Overcranking. This can fill the engine with raw water .
3. Change the lubricating oil.
4. Maintain the cooling system.
5. Winterizing your Westerbeke product.
Ordering Parts
Whenever replacement parts are needed, always provide the generator model number designation
(Le. 63B FOUR), engine serial number, and generator serial number as they appear on the
data plates located on the exhaust manifold and on the generator end. You
!111.§1.
provide us
with this information so we may properly identify your generator set. In addition, include a
complete part description and part number for each part needed (see the separately furnished
Parts List). Also, be sure to insist upon Westerbeke factory packaged parts because "will fit"
or generic parts are frequently not made to the same specifications as original eqUipment.
Westerbeke Diesel Engines
4
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