Timex DYNABEAT 254 User manual

TIMEX

model 254

DYNABEAT

Electric Calendar Watch

12%

lig.

22.1

28.7

.870

1.130 in.

(J)

O()

~}>

The

TIMEX

®Model 254Movement

ACTUAl

SIZE

The

Timex

Model

254

9%x

12%

Ligne

high

frequency

electric

calendar

movement.

The

Model

254

movement

the

same

the

Model

253

movement

except

that

the

calendar

mechanism

has

been

added.

The

date

can

changed

manually,

either

forward

backward,

rotating

the

hands

through

hoUlrs.

The

Timex

code

number

appears

the

edge

the

dial.

The

code

number

shows

the

catalog

number,

movement

number

and

year

manufacture

for

the

watch

(see

Page

1.1

the

Timex

Service

Manual

for

explanation).

Caution:

Since

watch

contains

permanent

magnets,

attempt

sh01

mode

demagnet

the

watch.

254.1

The

TIME

X®

Model254

Movement

(exploded

view)

145

DIAL

REST

206

CENTER

WHEEL

ASS

'Y.

498

/ 1

HOUR

WHEEL

WASHER

751

DIAL

850

HOUR

HAND

498

/ 1

cQl

851

MINUTE

HAND

852

/ 1

SWEEP

SECOND

HAND

2556

DATE

WHEEL

ASS

' Y.

2557

/ 1

DATE

RING

2558

HOUR

WHEEL

ASS'Y

2576

DETENT

SPRING

2557

/ 1

2576

A-.

206

2556

145

MOVEMENT

254.2

Disassembly

the Model

254

Movement

CASEBACK

CELL

.--OPENING

NOTCH

f:1

MOVEMENT

COVER

MOVEMENT

LOCATING

NOTCH

FIGURE A

FIGURE B

Insert

blade

into

the

open

ing

notch

the

bezel

and

pry

the

caseback

off.

(The

locating

tab

the

caseback

used

for ori-

entation

the

back

during

re-

assembly).

Remove

the

energy

cell

(energy

cell

with

a vol

tage

less

than

1.5

vol

in service in

excess

one

year

should

replaced).

Lift

off

the

movement

cover.

The

cover

held

place

by two

tabs

which

snap

into

recesses in

the

bezel.

254.3

Disassembly of Movement Cont'd.

Y-

SETTING

STEM

FIGURE C

ERT

TWEEZERS

HERE

CRYSTAL

remove

the

stem

The

stem

held

position

the

stem

bracket

(see

illu

stra-

tions

left).

remove

the

stem,

pull

the

stem

out

int

the

set

position

and

continue

maintain

slight

outward

pull.

Place

the

points

heavy

tweezer

int

one

side

the

stem

bracket

and

push

bracket

aside

release

one

stem.

Con-

tinue

pull

the

stem

outward

and

use

the

points

the the

tweezer

release

the

other

side

the

stem

from

the

bracket.

The

stem

now pull

free

the

movement

and

case.

After

the

stem

removed,

the

mow

ment

can

removed

through

the

crystal

side

the

case.

Remove

the

crystal

with

crystal

seating

tool

and

then

lift

the

reflector

ring

and

movement

free

the

case

(note

the

posi-

tion

the

movement

ocating

tabs

side

the

bezel.

Tabs

shou

properly

aligne

notches

the

plate

when

re-assembling

the

watch.)

Disassembly of Movement Cont'd.

DETENT SPRING DIAL

REST

WHEEL

ASS ' Y.

FIGURE F

Remove

the

sweep

second

hand

and

the

minute

hand.

Bend

the

four dial

tabs

enough

free

the

dial

from

the

move-

ment.

Turn

the

assembly

over

and

care-

fully lift

the

dial

off

the

move-

ment

Note

the

position

the

parts

under

the

dial.

the

illustration

left,

note

the

detent

spring

which

positions

the

dote

ring

and

the

finger

the

date

wheel

which

indexes

the

dote

ring (shown in its

position

following

the

date

change).

Lift

off

order:

Date

Ring

Date

Wheel

Assembly

Center

Wheel

Assembly

Detent

Spring

(note

engage-

ment

in dial rest.)

With

these

parts

removed,

the

movement

may

disassembled,

cleaned

and

relubricated

de-

scribed

for

the

Model

253

Pages

253.3

through

Page

253.16.

The

date

wheel

assembly,

center

wheel

assembly

and

detent

spring

may

cleaned

using

standard

watch

cleaning

solutions.

Caution

: Extre

car

st be

exercised

when

clean

ing

dials

hands

and

dat

r i n g s .

Solvent

type

cleaners

may

damage

the

finish

these

parts

254

Reassembly of the

Model254

Movement

After

the

basic

movement

cleaned,

lubricated

and

reassembled

described

Page

253.3

through

253.16,

the

reassembly

the

Model

254

a follows:

Lubricate

the

dote

wheel

post

and

the

end

the

detent

spring

where

engages

the

dote

ring

using

non

spreading

type

oil

(Moebius

Synt-o-lube

used

the

factory)

Replace

detent

spring

in dial

rest

Assemble

dote

wheel

assembly.

Assemble

dote

ring,

deflect

end

detent

spring

until

engages

tooth

dote

ring.

Position

finger

dote

wheel

dote

ring

tooth

shown

Page

254.5.

POSITION HANDS FOR PROPER DATE CHANGE

First

Check

that

finger

dote

wheel

positioned

against

dote

ring

tooth

shown in illustrofion

Page

254.5.

Replace

the

dial

assembly

holding

the

hour

hand

the

o'clock

position

make

certain

hour

wheel

teeth

engage

min-

ute

pinicn

teeth)

and

bend

the

four

dial

tabs

hold

the

assembly

firmly

in position.

Finally -Replo::e

the

minute

hand

and

sweep

second

hand.

Insert

crown

and

stem

assembly

and

rotate

hands

clockwise

assure

that

dote

change

completed

by 2

o'clock.

Remove crown

and

stem

assembly.

Place

assembly

into

bezel

being

sure

notches

plate

engage

the

tabs

inside

the

bezel.

Position

reflector

ring

top

dial.

Insert

crystal

using

crystal

insertion

tool.

Insert

crown

and

stem

assembly

thru

bezel

with a

twisting

motion

assure

engagement

the

brocket.

Insert

movement

cover

and

snap

into

bezel.

Insert

fresh

Timex

type

energy

cell'''

and

snap

case

bock

into

position.

Push crown in

and

watch

will

start

immediately.

not,

slight

finger

agitation

the

watch

may

necessary

start

the

mechanism.

'''

Use

energy

cell

not

meeting

Tim

cifications

may

cause

the

watch

malfunction

. Do

not

disp

ose

energy

cell in fire.

254.6

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