Westerbeke WPDS-20 Instrukcja Operatora Pobierz pdf (Strona 24)

Using the 5/16" box wrench or the 1/4" drive 5/16" socket wrench, open the

bleed screw and bleed this

portion of the fuel

Injection pump in the same manner as described in step #3. Proceed

step

NOTE: Make sure that the throttle

fully open and the engine's shut-off lever is in its

RUN

pos~lon

before proceeding

step

#5.

Using a 5/8" open end wrench, loosen

all

four high pressure injector line nuts (#4), located at the base of

each injector, one

two turns. Using the starter motor, crank the engine over

bleed any air

the high

pressure lines between the fuel

Injection pump and the injectors. Crank the engine until fuel spurts from

between the injector nut and the high pressure injector

line.

NOTE: Only

spurts of fuel should come from this bleed point, not a steady flow of fuel.

DO NOT crank the engine for long periods of time. Excessive cranking will cause the starter

overheat and will flood the exhaust system with sea water.

Retighten

ali four high pressure injector line nuts with the 5/8" open end wrench.

NOTE: Excessive torque is not required to properly tighten the injector line nuts

the base

of the high pressure injectors.

The engine is now primed and ready

start. Leaving the throttle in the FULL OPEN

pos~ion,

make sure

that the engine's

STOP lever is in the

RUN

pos~ion

and that the transmission is in NEUTRAL. At this point,

proceed

start the engine. Use the

PREHEAT

button as required and crank the engine using the starter.

Once the engine fires, return then throttle

its IDLE position. Check

make sure that the engine's In-

struments indicate the proper oil pressure reading and that sea water is discharged with the exhaust. Allow

the engine

idle between 1000

1200 rpm for five minutes

make sure that all air in the fuel system

has been bled.

If the engine fails

start, re-prime the fuel system and try

start the engine once again.

CAUTION

Prolonged

cranking

intervals

without

the

engine starting can result in

filling

the

engine-

mounted

exhaust system

with

sea water coolant. This

may

happen because

the

sea

water

pump

pumping

sea water

through

the

sea water cooling system

during

crank-

ing.

This

sea water can enter

the

engine's

cylinders

way

the

exhaust manifold

once

the

exhaust system fills. Prevent

this

from

happening

closing

the

sea water

supply

through-hull

shut-off,

drain

the

exhaust muffler, and correct

the

cause

for

the

excessive

engine

cranking

needed

obtain

a start. Engine damage resulting

from

this

type

sea water

entry

not

a warrantable issue;

the

owner/operator

should

keep

this

mind.

NOTE: When the secondary. on-engine fuel filter has been serviced, the #1 and

bleed

points should only be bleed

make sure that ali air has been removed from the fuel system.

other bleed points need to be opened at this time.

Owners/operators may find daubing white paint on each of the bleed points helpful.

un-

expected problem occurs

which the fuel system needs bleeding, these points will be clear-

Iyvisible.

Westerbeke Diesel Engines

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