Westerbeke 33a Service Manual download pdf (Page 15)

OPERATION

PREPARATION FOR FIRST START

The engine is shipped "dry"...with lubricating oil drained from crankcase and fluid from the

transmission. Therefore, be sure to follow these recommended procedures carefully before starting the

engine for the first time.

1. Remove oil filler cap and fill oil sump with heavy duty diesel lubricating oil to the

highest mark on the dipstick. See table under Maintenance for an approved lubricating

oil. Do not overfill. Select an approved grade from the listing and continue to use it.

2. Fill the reverse gear to the highest mark on the dipstick with TYPE A transmission fluid.

Do not overfill. Refer to the `Transmission Section of this manual for details.

Engine oil is not recommended because it can foam, and it can contain additives harmful

to some transmissions.

If the engine is equipped with a V-drive, fill to the full mark on the dipstick with the

recommended lubricant specified on the data tag n the V-drive housing.

3. Fill fresh water cooling system with a 50-50 antifreeze solution only after opening all

petcocks and plugs until all entrapped air is expelled.

Fill surge tank to within one inch of the top. Check this level after engine has run for a

few minutes. If trapped air is released, the water level may have dropped. If so, refill tank

to within one inch, of top and replace filler cap.

4. Ensure battery water level is at least 3/8" above the battery plates and battery is fully

charged so that it is capable of the extra effort that may be required on the first start.

5. Fill fuel tank with clean diesel fuel oil; No. 2 diesel fuel oil is recommended. The use of

No. 1 is permissible but No. .2 is preferred because of its higher lubricant content.

NOTE: If there is no filter in the filler of the fuel tank, the recommended procedure is to

pour the fuel through a funnel of 200 mesh wire screen.

6. Fill grease cup on the sea water pump, if present, with a good grade of water pump

grease.

FUEL SYSTEM

The fuel injection system of a compression ignition engine depends upon very high fuel pressure

during the injection stroke to function correctly: Relatively tiny movements of the pumping plungers

produce this pressure and, if any air is present inside the high pressure line, then this air acts as a cushion

and prevents the correct pressure, and therefore fuel injection, from being achieved.

In consequence, it is essential that all air is bled from the system whenever any part of the system

has been opened for repair or servicing.

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Westerbeke 33a Service Manual Page 15