Westerbeke 38B FOUR Operator's Manual download pdf (Page 69)

Servicing After Every 800 Hours

Operation

*1. Remove

and

check fuel injectors.

Injector spray pressnre:

1988 psi

± 142 psi

(140 kg/cm

± 10

kg/cm

)

Eliminate undesirable injection conditions including

after dripping.

*2. Check

the

engine's compression pressure. Remove

each

glow

plug

and

check each cylinder's compression

pressure.

The

engine's

cranking

speed is

280 rpm.

Standard

Minimum

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GOOD

397.6 psi

(28 kg/cm

)

312.4 psi

(22 kg/cm

) (Maximum difference between cylinders: 35.5 psi [2.5 kg/cm

])

*3. Check

the

Charging

Circuit for proper operation.

*4. Check the tightness

bolts, nuts,

and

clamps.

Servicing After Every 1000 Hours

Olleration

Remove, clean,

and

pressure test the primary heat exchanger.

local automotive radiator shop

should

able to clean

and

test the heat exchanger.)

NOTE:

Operating

silty

and/or

tropical waters may require

that

a heat exchanger

cleaning

performed more often

than

every 1000 hours.

*2. Check the injection pump's timing.

(Static method spill time.)

Rotate the engine's crankshaft to position the #1 piston

the

Top

Dead

Center

its compression

stroke. Observe the opening

and

closing

the valves for this cylinder so

not to place

the

piston

IDC

the exhaust stroke.

Align

the

IDC

mark

the crankshaft front pulley with the timing

marker

the front

gear

case

cover

when

positioning

the

# I Piston

TDC

its compression stroke. Confirm this by rotating

the

crankshaft approximately 20

before

and

after this point and

the

two valves for the # I cylinder should

not

move.

Adjust the valve clearances for both the intake and exhaust valves for this cylinder

WESTERBEKE GENERATORS

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Westerbeke 38B FOUR Operator's Manual Page 69

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