Timex 260 User manual

TIMEX®

Model26

11-3/4 X 12-3/4

lig.

26.51

x

28.76

mm

1.

046

x

1.132

in.

Vl

m

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~<

0()

om

m

r~

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oz

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)>

r

The

TIMEX®

Model

260

Movement

ACTUAL

SIZE

The

Timex Model

260

is--en

11-3/4

by

12-3/4

ligne electric watch movement

featuring a high frequency balance system.

The

Model

260

is

powered

by

a Timex Type

"A"

energy cell which provides

power for

at

least one year.

The

Model

260

operates

at

a

rate

of

28,800

beats

per hour. The

rate

can

be

checked on all conventional watch

rate

recorders having a

setting

of

28,800

beats

per hour

or

on some recorders using a

setting

for

14,400

or

21,600

beats

per

hour.

To

observe

the

operation of

the

Model

260,

follow

the

instructions detailed

on

page

253

.8 through

253

.14 for

the

Model

253

movement.

Tne

Timex code number

appears

on

the

edge of the dial.

The

Code number shows the

catalog

number, movement number,

and

year of

manufacture

for

the

watch (see Page 1.1 of

the

Timex Service Manual for

explanation) .

CAUTION: Since watch contains

permanent

magnets, no

attempt

should be

made

to

demagnetize

the watch.

260

.1

The

TIME

X®

Model

260

Movement

(exploded

view)

1496

~

1580

171

~

....

.

.......

...

..

....

..

...

.

...

..

...

..

1178

~

~-

-;--

-

..:_

·

...

····························

··

······

260.2

A9

1171

~

/.

~

1172

1184

/

0032

1011

1020

1022

1041

1157

116

5

1169

11

71

11

72

1177

1178

1184

1185

1199

1421

1428

1487

1493

1494

1496

1502

1578

1579

1580

1648

1716

1718

1901

DIAL

HOUR

WHEEL

ASS'Y.

CENTER

WHEEL

ASS

' Y.

CONNECTOR

,

ENERGY

CELL

HOUR

WHEEL

WASHER

THIRD

WHEEL

ASS

'Y.

FRICTION

WASHER

HAIRSPRING

WEDGE

HOUR

HAND

MINUTE

HAND

SECONDS

WHEEL

ASS

'Y.

MINUTE

WHEEL

ASS

'Y.

SWEEP

SECOND

HAND

DIAL

REST

FRICTION

PINION

SHUNT

BRIDGE

SCREW

BALANCE

BRIDGE

SCREW

BALA

.

NCE

BRIDGE

ASS

' Y.

INDEX

LEVER

ASS

'Y.

INDEX

WHEEL

ASS

'Y.

CONTACT

SPRING

ASS

'Y.

SHUNT

BRIDGE

FRICTION

SPRING

TRAIN

WHEEL

BRIDGE

ASS'Y

.

STEM

BRACKET

SETTING

STEM

WITH

CROWN

STOP LEVER

BALANCE

WHEEL AS

SY

PLATE

ASS

'V.

Disassembly

of

the

Model

260

Movement

OPENING

TAB

OPENING

I

NOTCH

I

CASE

I

CASE

BACK

LOCATING

NOTCH

MOVEMENT

COVER

TAB

SNAPS

INTO

BEZEL

Insert

blade

into

the

opening

on

the

bezel

and

pry

the

caseback

off

as

shown

at

left

.

(The

locat

ing

tab

on

the

caseback

is

used

for

orientation

of

the

back

during

reassembly).

Remove

the

energy

cell

(energy

cell

with a

voltage

of

less

than

1.5 volts

or

in se·rvice

in

excess

of

one

year

should

be

replaced).

Lift

off

the

movement

cover

as

shown

at

left.

The

cover

is

held

in

place

by

two

tabs

which

snap

into

recesses

in

the

bezel.

260.3

Disassembly

of

the Model

260

Movement

260.4

INSERT

TWEEZERS

HERE

TAL

I

BEZEL

v

MOVEMENT

LOCATING

TAB

Remove

the

setting

stem

with crown:

The

stem

is

held

in position by

the

stem

brocket

(see

i

llustrotions

at

left).

To

remove

the

stem,

pull

the

stem

out

into

the

set

position

and

continue

to

maintain

o

slight

outward

pull. Place

the

points

of o

heavy

tweezer

into

one

side of

the

stem

bracket

and

push

bracket

aside

to

release

one

side

of

stem.

Continue

to pull

the

stem

outward

and

use

the

paints

of

the

tweezer

to

release

the

other

side of

the

stem

from

the

bracket.

The

stem

will now pull free

of

the

movement

and

bezel

.

To

remove

movement:

After

the

stem

is

removed,

the

move-

ment

can

be

removed

through

the

crystal side of

the

bezel.

Remove

the

crystal

with a

crystal

seat

in

g tool

and

then

lift

the

reflector

ring

and

move-

ment

free

of

the

bezel

(note

the

position of

the

movement

locating

tabs

inside

the

bezel.

Tabs

should

properly align

in

notches

of

the

plate

when

reassembling

the

watch)

.

Disassembly

of

the Model

260

Movement

.L

ASS

'

Y.

DIAL

TABS

(4)

FIGURE

B

FIGURE

C

WEDGE

'

BALANCE

BRIDGE

SCREWS

(I

' I

BALANCE

:I

WHEEL

ASS'Y.

I .

::::::,,:::"'

"''

"

~

.

"l

NECTOR

, -

~

h

~

~~

~

--'

FIGURE

D

See Figure

A.

Remove oil

hands

.

Straighten

dial

tabs

enough

to

r

e-

move

the

dial from

the

movement.

Turn

assembly

over

and

lift off diol.

Lift

off

Hour

Wheel

Washer

and

Hour

Wheel

Assembly.

With

the

above

parts

removed,

the

basic

movement

may

be

replaced with

a Timex reconditioned

movement

.

The

parts

removed

above

are

assembled

to

the

reconditioned

movement

as

described

starting

on

page

260

.9.

See Figure

B.

Turn

movement

over

and

remove

shunt

bridge screw.

Lift screw

end

of

shunt

bridge off

post

and

carefully

slide

shunt

bridge

from

movement

(note

Tab

on

end

of

shunt

bridge which

engages

the

plate)

. Replace

shunt

bridge screw.

See Figure C

and

Figure

D.

1.

Remove

the

hoirspr.ing wedge pin,

do

not

distort

either

the

pin or

the

hairspring.

Note

hole

in

the

balance

bridge

which permits

ac-

cess to

the

wedge pin.

':'

2.

Rotate

the

balance

wheel

care-

fully until

the

hairspring

tail

is

free

of

the

hairspring

bracket

and

the

regulator.

':'

3.

Note

position

of

energy

cell con-

nector

by sliding

out,

as shown

in

Figure D. Remove

the

two

bal-

ance

bridge screws, Ii

ft

off

the

balance

bridge assembly

and

core-

fully remove

the

balance

wheel

as-

sembly.':'

':'

If wedge pin

cannot

be loosened

through

hole, remove

the

two bal-

ance

bridge screws

and

carefully

remove

the

balance

bridge

and

balance

wheel assembly from

movement

to

permit

access to

the

wedge pin.

260.5

•

Cleaning the Model

260

Movement

The

best

way

to

clean

the

Model

260

movement

is

to disassemble

the

movement

only

to

the

point

of

removing

the

balance

bridge

and

the

balance

wheel

as-

sembly.

The

movement

should

be

placed

in

the

watch

cleaning

machine

(includ-

ing

ultrasonic

baths),

preferably

on

edge

to insure proper

drainage

of

the

'fluids.

The

movement

must

be

immersed

in

two

sets

of

rinsing fluid.

The

final rinsing

solution

must

be

absolutely

clean

.

After

cleaning

is

completed,

the

movement

must

be

thoroughly

dried.

The

balance

wheel

assembly

must

be

cleaned

separately

in

order

to

prevent

damage

to

the

balance

staff

points,

the

hairspring

and

the

coil.

Other

metal

parts

may

be

cleaned

in

the

same

manner

as

the

movement.

Only

standard

watch

cleaning

solutions should

be

used in

the

above

cleaning

procedures

.

Caution

must

be

exercised

when

cleaning

cases, dials,

hands,

special rings,

etc.

which

may

contain

materials

other

than

metal

because

paint,

lacquer

and

plastic

finishes

can

be

damaged

by

some

standard

watch

cleaning

solutions

.

For

lubrication

instruc

tions

see

Page

260

.7.

For

reassembly

instructions

see

Page

260

.

9.

260.6

Lubricating the Model

INDEX

WHEEL

ASS'V.

PIVOT

INDEX

LEVER

ASS

'

Y.

PIVOT

INDEX

WHEEL

ASS'Y.

PIVOT

DIAL

RING

ASSY.

A

FRICTION

)

PINION

SWEEP

SECONDS

WHEEL

ASS

'

Y.

MINUTE

WHEEL

INDEX LEVER

ASS

'

Y.

PIVOT

PLATE

ASS'Y.

" V -

CONIC:

BEARIN

G"

260

Movement

The

Timex

Model

260

movement

should

be

lubricated

using only

high

grade

watch

lubricants

.

Apply

non-spreading

type

oil

(Moeb-

ius

Synt-A-Lube

Oil

is

used

in

the

factory)

to

the

following

points

(see

front

and

back

views

at

left)

:

Minute

Pinion

Stud

at

top

face

of

minute

pinion

Both Pivots

of

index

lever

assembly

Both Pivots of

index

wheel

assembly

Both Pivots of

sweep

seconds

wheel

assembly

Back Pivot of

third

wheel

assembly

Junction

of

Minute

Wheel

with Dial

Ring

Assembly

Junction

of

Minute

Wheel

with

Plate

Assembly.

(Through

stem

bracket

slot

in

train

bridge

with

stem

in

set

position)

Index

Wheel

on driving

face

of

three

teeth

Index

Lever Fork

where

it

engages

impulse pin

Friction

Washer

and

Sweep Second

Pinion

bearing

surface

at

their

junc-

tion

Fill V

-Conic

Bearings

3/8

to

5/8

full,

by

depth.

Apply

spreading

type

oil

(Woods

AAAA

Oil

is

used

in

the

factory)

to

Friction

Pinion

at

junction

with

plate

assembly

(Point

Al.

Apply

watch

grease

(Hamilton

PML

is

used

in

the

factory)

to

set

stem

teeth

and

bearing

surface

(below

teeth)

prior

to

assembly

of

the

stem

to

the

watch

head.

On

water-resistant

watch

models,

ap-

ply

grease

(Moebius

special

lubricant

is

used

in

the

factory)

to

1/2

of

ex-

posed

circumference

of crown

gasket

before

assembly

of

the

stem

to

the

watch

head.

For

reassembly

instructions,

see

Page

260

.

9.

Ole::::=-- MOEBIUS

SYNT-A-LUBE

em::::-.

WOODS

AAAA

OIL

®lc::::=--

HAMILTON

PML

GREASE

260

.7

Reassembly of the Model

260

Movement

BALANCE

ENDSHAKE

ADJUSTING

SCREW

ENERGY

CELL

CONNECTOR

FIGURE

E

If

the

complete

movement

is

token

aport,

the

correct

order

for reassembly

is

os

described

on

Page

253.15

.

To

reassemble

::~fter

the

suggested

cleaning

procedure,

insert

the

balance

wheel

assembly

(impulse-disc

end)

into

the

"V-conic"

bearing

in

the

plate

as-

semb

ly

. Assemble

the

balance

bridge

and

the

two (

2)

balance

bridge screws

being

careful

to

assure

proper

engagement

of

the

balance

pivots

in

their

re-

spective

"V-conic"

bearing

DO NO'T TIGHTE'N

the

balance end

shake

adjusting

screws

completely

(see Figure EJ. It shou

ld

be

tightened

only

enough

to hold

both

balance

pivots securely

engaged

in

the

"V

-conic"

bearings.

Slide

the

energy

cell

connector

into

place

.

260.8

Reassembly of the Model

260

Movement

ADJUST

CENTERING

\

REGULATOR

SLOT

REGULATOR

TAB

----

HAIRSPRING

FIGURE

F

AREA

WEDGE

BRACKET

Insert

the

end

of

the

hairspring

into

the

slot

in

the

regulator

and

then

into

the

hole

in

the

hairspring

brocket

by

rotating

the

balance

wheel

and

guiding

the

end

of

the

spr

ing.

Check

that

the

impulse pin

is

in

the

slot

of

the

index

lever

and

then

secure

the

hairspring

in

the

brocket

with

the

wedge

pin.

Adjust

the

balance

whee

l

assembly

end

shake

cautiously

by

tightening

the

balance end

shake

adjusting

screws.

Do

Not

adjust

too

tightly

because

excess

pressure

con

damage

the

pivots of

the

balance

staff

.

Loosen

the

shunt

bridge

screw, slide

the

shunt

bridge

under

the

hairspring,

and

secure

with

shunt

bridge

screw.

Check

for

adjustment

of

hairspring

and

adjust

if

necessary.

The

hairspring

should

be

leveled,

centered

and

in

light

permanent

contact

with

the

inside

edge

of

regulator

slot

and

the

regulator

tab

as

shown

in

Figure

F.

Hairspring

must

not

leave

the

described

contact

points

at

any

time

with

regula-

tor

within

normal

regulating

range

.

Hairspring

con

be

adjusted

for

proper

le

vel by

grasping

spring

as

close

as

possible

to

pinning

point.

To

adjust

centering

-

grasp

160

°

to

1

80

° from

pinning

point.

To

adjust

hairspring

to

remain

in

permanent

contact

with

regu-

lator

slot

and

tab,

carefully

bend

tab

towards

center

of

spring

until

desired

condition

is

obtained.

260

.9

Timex 260 User manual

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