Westerbeke 38B FOUR Manual do Operador descarregar pdf (Página 75)

Walter V-Drives

Flange Alignment - Direct Coupled Models

Install

the

propeller

shaft

flange

on

to

the

propeller

shaft

and

tighten

the

two

clamping

bolts

on

the

spli

t

hub

(none

on

RV-lOD).

A

self-locking

set

screw

is

pro-

GEAR

SHAFT

vided

for

the

propeller

shaft

flange.

FLANGE

Spot

dr

ill

the

propeller

shaft

and

then

securely

tighten

the

set

screw.

Many

good

installations

are

ruined

by

improper

shaft

flange

alignment.

Accurate

alignment

will

ensure

a

smooth

operating

drive

train

and

eliminate

many

problems

that

arise

due

to

misalignment.

Final

alignment

should

not

be

attempted

until

the

boat

has

been

allowed

to

"settle"

in

the

water.

After

the

engine

has

been

installed,

adjust

the

mounts

per

manufacturer's

instructions

until

the

pilot

diameters

of

the

gear

shaft

flange

and

the

propeller

shaft

flange

engage

freely.

Butt

the

flange

FEELER

GAGE

CLAMPING

BOLTS

FLANGE

ALIGNMENT

SET

SCREW

faces

together.

Without

rotating

either

flange,

check

with

a

feeler

gauge

in

at

least

four

places

as

shown

in

the

illustration.

If

the

maximum

feeler

gauge

that

can

slip

between

the

flange

faces

at

any

point

is

.003",

the

unit

is

properly

aligned.

If

a

thicker

gauge

can

be

inserted

at

any

point,

the

engine

must

be

readjusted

until

proper

alignment

is

obtained.

Turn

the

propeller

shaft

flange

1/4

of

a

turn

without

moving

the

gear

shaft

change.

Try

inserting

the

.003"

feeler

gauge

as

descr

ibed

above.

The

gap

will

not

change

if

the

propeller

shaft

is

straight.

If

it

increases,

the

shaft

or

flange

is

bent

and

must

be

removed

and

straightened.

Rotate

the

propeller

shaft

flange

in

two

more

1/4

turn

increments

and

repeat

the

procedure.

The

pilot

diameters

must

be

rechecked

to

ensure

that

they

still

engage

freely.

Secure

the

two

flanges

together

with

the

heat

treated

bolts

and

spe-

cial

high

collared

lockwashers

supplied.

Engine Alignment - Independent Models

The

engine

must

be

adjusted

so

that

the

alignment

of

the

flexible

joint

is

within

3'.

An

accurate

steel

rule

should

be

used

for

this

purpose

as

shown

in

the

illustration.

On

short

installations

using

a

flexible

joint

assembly,

the

faces

of

the

flexible

joint

must

be

parallel

within

1/8".

Measure

this

in

at

least

four

places

around

the

diameter

without

rotating

the

assembly.

With

long

installations

using

the

#36

tubular

drive

shaft

(also

on

all

RV-lOD'S)

the

distance

from

the

#33A

spool

adapter

to

the

bores

in

the

universal

joint

which

is

welded

to

the

tubular

shaft

must

be

measured

on

both

sides

of

the

joint.

Rotate

the

shaft

exactly

1/4

of

a

turn

and

measure

to

the

same

joint.

The

four

distances

must

be

equal

within

1/8".

(DO

not

measure

73

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