Westerbeke 20B TWO/30B THREE User Manual

Servicing After Every 800 Hours 01 Operation
*1. Remove and check fuel injectors.
Injector spray pressure:
1991 psi + 140 psi
(140 kglcm
2
+ 10 kglcrif)
I.
I POOR
NOTE: poor fuel quality and contaminants will
shorten
the injector and injector pump service
life.
Eliminate undesirable injection conditions including
after dripping.
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5
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COOl)
*2. Check the compression pressure. Remove
each ~rNi plug and check each cylinder's c0m-
pression pressure. The engine's cranking
speed is at 280 rpm.
20B TWO & 30B THREE
Standard Minimum
389 psi
(28kglcm;
312 psi
(22 kglcm
2
)
(Maximum difference between cylinders: 35.5 psi (2.5 kglcm
2
)
*3. Check the battery-charging a1temator for proper operation.
*4.
Check the tightness of bolts. nuts, and clamps.
Servicing After Every 1000 HoUrs 01 Operation
1. Remove, clean, and pressure test the primary heat exchanger. (A local automotive radiator shop should
be able to clean and test the heat exchanger.)
NOTE: Operating in silty and/or tropical waters may require that a heat exchanger cleaning
be performed more often than ~ery 1000 hours.
*2. Check the injection pump's timing .
..-v' WESTERBEKE
Engines & Generators
51

Westerbeke 20B TWO/30B THREE Specifications

General

Brand	Westerbeke
Model	20B TWO/30B THREE
Category	Engine
Language	English