Westerbeke M-50B Manual de instalación descargar pdf (Pagina 42)

PRM

NEWAGE

TRANSMISSIONS

TROUBLESHOOTING

Problem

Probable

Cause

VerlllcalionJRemedy

Excessive

noise

at

low

speeds.

1.

Engine

idle

speed

too

low.

1.

Increase·

idling

speed.

Excessive

noise

at

aU

speeds.

1.

Defective

coupling.

1.

InspecVreplace

coupling

if

necessary.

2.

Shaft

misalignment.

2.

Check

alignment

with

feeler

gauge.

3.

Prop

out

of

balance.

3.

Remove,

check

pitch,

balance

and

weight.

fluid

needs

constant

topping

off.

1.

Power

too

high.

1.

Compare

engine

and

transmission

data.

2.

fluid

leak.

2.

Inspect

seals.

O-rings.

drain

plug.

check

for

fluid

leaks.

Difficulty

in

moving

lever

control.

1.

Poor

installation

of

cable.

1.

Check

installation,

remove

sharp

bends

and

turns.

2.

faulty

cable.

2.

Replace.

Escape

of

pressure

from

gearbox

1.

Defective

breather

causing

leaks

1.

Remove

dipstick/clean

vent

holes

-

PRM

80.

when

dipstick

is

removed.

past

oil

seals.

2.

Unscrew

vent

assembly

from

top

of

transmission

and

clean

with

solvent

-

PRM

120.

No

drive

ahead

or

astern.

1.

Mechanical'damper

plate

problem.

1.

Replace

damper

plate.

Propeller

speed

does

not

increase

1.

Shift

cable.

1.

Remove

control

cable

or

linkage

not

allowing

f·N·R

to

with

engine

speed

ahead

and

astern.

move

correct

distance.

-Remove

cable

and

operate

lever

by

hand

to

check

movement.

Adjust

cable

if

necessary

Propeller

speed

does

not

increase

1.

Cone/clutch

cable

slippage.

Damaged.

1.

Remove

and

examine

clutch/clutch

cone

on

appropriate

with

engine

speed

in

one

direction

only.

clutch

plates

or

clutch

cones.

shaft

and

replace

if

necessary.

Excessive'

nOise

from

gearbox

1.

Engine

idle

speed

set

too

low.

1.

Increase

idling

speed.

If

not

cured

by

increasing

idling

speed,

at

low

speeds.

faulty

adjustment.

refer

to

engine

supplier.

Remove,

examine

and

replace

coupling

if

necessary.

Excessive

noise

throughout

1.

Oefective

input

coupling.

Input

1.

Check

the

alignment

of

the

propeller

shaft

coupling.

If

operating

range.

coupling

worn/damaged.

necessary,

rectify

by

adjusting

the

shims

under

the

Propeller

shaft

misalignment.

faulty

engine

mounts

or

adjust

the

engine

mounts

themselves.

installation

or

hull

flexing.

2.

Propeller

out

of

balance.

damaged

prop.

2.

Remove

the

propeller

and

check

that

the

pitch.

weight.

poorly

matched.

diameter

and

balance

of

all

the

blades

are

equal

and

reclify

if

necessary.

3.

Defective

bearing/bearing.

3.

Isolate

defective

bearing,

remove

and

replace.

Worn

or

damaged.

Difficulty

in

moving

single

lever

control.

1.

Operating

control

cable.

1.

Check

the

installation

and

eliminate

all

tight

bends

in

the

cable.

,I,

,I,Univarsal

MARINE

POWER

36

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