Westerbeke M-50B Manual de Instalação descarregar pdf (Página 46)

HURTH

HBWJZF

TRANSMISSION

TROUBLESHOOTING

CONTROL

CABLES

The

majority

of transmission difficulties arise

a result

improper clutch adjustments (manual transmissions)

. problems

with

control cables (hydraulic transmissions)

rather

than

from

problems with

the

transmission itself.

new

cable

and

perhaps a

new

linkage mechanism

may

needed. While the cable

loose, shift

the

transmission

and

out

gear using the lever on the side

the transmission

make sure there's no binding inside the case.

HURTH!ZF clutches,

particular, are very sensitive

improper cable adjustments.

you

experience operating problems

with

the

transmission,

shut

the

engine down. First check

the

transmission-fluid

level,

then

have a helper

move

the cockpit shift lever through

the

full

range -

from

neutral

full

forward, back

neutral, into

full

reverse, and back

neutral - while

you

observe the actuating lever on the transmission.

the remote

is stiff to operate, break the cable loose at the transmission

and

try

again.

still stiff, check

the

cable for kinks

excessively tight bends,

and

check

any

linkage

for

binding.

the transmission passes these tests, crank

the

engine

and

have a helper put it

forward

and

reverse while

you

observe

the propeller shaft; if the shaft isn't turning,

the

transmission

needs professional attention.

does

turn

but there's

thrust, check

see

you

still have a propeller

the

end

the shaft

or,

you

have a folding or feathering propeller,

Problem

Transmission

gears

cannot

shifted.

Fails

move

into

gear.

Transmission

shifts

into

gear,

but

fails

propel

the

boat.

Delay

gear

engagement

engages

only

after

increase

speed.

Transmission

noise

becomes

louder.

Chattering

transmission

noise,

mainly

low

engine

speed.

80at

fails

attain

specified

max.

speed.

Oil

Leakage.

that it isn't stuck in the

"no

pitch" position.

NOTE:

you suspect a major problem

il1

your

tra11smissioll,

immediately

cOlltact

your WESTERBEKE dealer or ali

authorized marine trallsmissiolljacility.

Probable

Cause

Verlficalion/Remedy

Actuating

lever

loose.

Tighten

damping

boll

shifting

lever.

Shifting

cable

broken,

bent

Check

the

cable,

reattach

replace.

unattached.

Cable

radius

too

severe.

Shift

lever

binding

against

cover

plate.

Detach

the

shift

cable

and

operate

the

tever

hand.

Clearance

should

0.02

(0.5mm).

Output

coupling

not

turning.

Transmission

needs

professional

attention.

Propeller

shaft

not

turning.

The

coupling

bolts

are

sheared

the

coupling

slipping

Output

coupling

turning.

the

propeller

shaft.

Tighten

replace

set

screws,

keys,

pins

and

coupling

bolts

necessary.

Output

coupling

and

Inspect

the

propeller.

may

missing

damaged.

propeller

shaft

are

turning.

folding

propeller

may

jammed.

variable

pitch

propeller

may

"no

pitch"

position.

lever

travel

not

equal

Adjust

cover

plate

until

the

lever

exact

mid-position.

Refer

diagram,

Refer

SHIFT

LEVER

TEXT

AND

DIAGRAM.

Shift

level

travel

insufficient.

Check

shift

lever

cable

length.

See

SHtFT

LEVER

DtAGRAM.

Shift

lever

binding

against

cover

plate.

Check

clearance,

adjust

necessary.

Damage

starting

flexible

coupling

due

Check

alignment,

inspect

flexible

coupling.

noise

persists,

wear

fatigue,

possibly

due

inspect

the

damper

plate

between

the

transmission

and

the

misalignment

between

engine

and

engine.

Replace

necessary.

driveshaft.

Beginning

damage

bearings

Transmission

needs

professional

attention.

transmission

due

torsional

vibrations,

running

without

fluid,

overload,

wrong

alignment

transmission,

excessive

engine

output.

The

engine

propeller

generates

torsional

Mount

flexible

coupling

with

another

stiffness

factor

vibrations

the

drive

unit

which

produces

between

the

transmission

coupling

with

and

the

driveshaft.

"chattering"

noise

the

transmission.

higher

stiffness

factor

might

sufficient.

Inspect

the

damper

plate

between

the

engine

and

the

transmission.

Replace

necessary.

Operating

temperature

high,

Wrong

type

fluid.

Use

ATf.

Check

fluid

level.

Operating

without

cooling.

Check

cooler.

Inspect

coolant

hoses

and

coolant

flow.

Corrosion

radial

sealing

ring

and

shaft.

Transmission

needs

professional

attention.

Damaged

sealing

ring._

Misalignment

output

flanges.

Check

alignment.

Must

within

0.003

(O.OBmm).

NOTE:

)'01/ suspect a major problem

ill

your transmission,

'immediately contact your WESTERBEKE dealer or

O1lfhorized

marine trallsmissionjacility,

.Unlvarsa.

MARINE

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