Teletype 43 teleprinter basic ro User manual

e

the

~3

teleprinter

Installation

&

TEL

E T V P ET.M. Routine Servicing

f H

~

FOR

BASIC

RO

TERMINALS

Manual 391, Part 9

Also available as

...

Manual 373

Issue

2,

March 1978

©

1977

and

1978

by

Teletype

Corporation

Printed

in U.S.A.

THE

43

TELEPRINTER

BASIC

RO

INSTALLATION

AND

ROUTINE

SERVICING

MANUAL

INDEX

PART

1

INTRODUCT

ION

PART

2

INSTALLATION

A.

VARIABLE

FEATURES

. . . •

B.

INTERFACES

..

C.

ASSEMBLY

.....

1.

UNPACKING

. . . .

2.

TELEPHONE

AND

LINE

CONNECTION.

3.

ACCESSORIES

4.

STATION

TESTING

MANUAL

373

Issue

2,

March

1978

PAGE

1-1

2-1

2-3

2-5

2-8

PART

3

--

ROUTINE

SERVICING

A.

TROUBLE

ISOLATIO~

k~D

CORRECTION

.

B.

PERIODIC

CHECKS,

LUBRICATION

AND

CLEANING

. . .

..

..•

. .

1.

GENERAL

. . . • . . . . .

2.

VISUAL

CHECKS

.•••..

3.

CLEk~ING

&~D

APPEARANCE

.......

.

4.

LUBRICATION

PROCEDURES

. . . . . .

5.

LUBRICATION

POINTS

. . . . .

...

C.

COMPONENT

ACCESS

..........

.

1.

OPERATOR

CONSOLE,

CABLES,

directory

card

(bottom

side).

Feature

No

Feature

Suffix

i .

and

Conditions

Feature

Definition

S

't

h N b

/

WI

C / urn ers

Location

of

Switch

on

Circuit Card (See Page 3-7)

X~X

/ I

~

b.

431.

Type

Font

Arrangement

a. Narrow numeric 0

and

wide alpha O.

Standard

1\

and underline _ .

b. Slash numeric S

and

wide

alpha

O.

" prints as ,

and

_

prints

as

+-.

c. Slash alpha

~

and

wide

numenc

O.

1\

prints

as , and -

prints

as

~

.

432. Line Length

a.

132

Characters

(Sprocket

Feed Only)

b.

72

Characters -Printed line

not

centered.

c.

80

Characters

d.

72

Characters -Printed line centered

(Friction Feed Only) §

433. EOT Response

a. Disconnect

or

turn

off

Term Ready

on

received EOT.

b. Does

not

disconnect

or

tum

off

Term Ready

on

received EOT.

434. Character Parity Bit

Sent

t

a. Even Parity

b.

8th

Bit

Mark

435. End-of-Line

on

Receive

a.

Auto

CR-LF performed

b.

Bell & Print

Inhibit

at

last char. position

• Indicates toggle

or

slide position

to

ON.

o

Indica~s

toggle

or

slide position

to

OFF.

-Position

of

switch

does

not

affect

feature.

•

Factory

furnished

state

of

feature.

t Not applicable.

j

L

SP:

D4

1 2 3 4 5 6 7 8

----0 • - -

----0 • --

SPD4

1 2 3 4 5 6 7 8

------• •

----- - • 0

------0 0

SPD4

1 2 3 4 5 6 7 8

-- - -• • --

----0 • --

--- - • 0 --

----0 • --

SPD4

1 2 3 4 5 6 7 8

---0 ----

-- - • - - --

SPD4

1 2 3 4 5 6 7 8

--0 ---- -

--• --- - -

SP:

D4

1 2 3 4 5 6 7 8

0 ---- - --

• ---- - --

:I:

On

friction feed terminals, 432c

(80

Characters)

is

factory furnished.

432a

(132

Characters) should

not

be selected.

§

LEFT

-HAND MARGIN

adjustment

must

be

performed

(see Page 3-9).

•

373,

2-2

PART

2

--

INSTALLATION

(Cant)

~.

VARIABLE

FEATURES

(Cant)

436.

Speed

Control

a.

30

Characters/Sec.

b.

10

Characters/Sec.

437.

Print

Substitute

character

_

on

odd

Pari

ty

Received.

a.

Print

-

on

odd

parity

received.

b. Ignore parity.

•

Indicates

toggle

or

slide

position

to

ON.

o

Indicates

toggle

or

slide

position

to

OFF.

-Position

of

switch

does

not

affect

feature.

*

Factory

furnished stat£'

of

feature.

1 2

-0

-•

1 2

0 -

• -

SPB5

3 4

--*

--

SPB5

3 4

--

PART

2

INSTALLATION

(Cont)

B.

INTERFACES

The 43l0AAB

and

AAF

sets

equipped

with

430750

Terminal

Data

Unit

(TOU)

provide

two

modular

telephone

jacks

for

connection

to

the

telephone

equipment

using

modular

cords.

These

jacks

are

labeled

line

(bottom)

and

phone

(top)

and

the

assignments

are

as

shown:

MANUAL

373,

2-3

TIP®

RING

e

The 43l0AAC

and

AAD

sets

equipped

with

a

430751

Terminal

Auxiliary

Unit

(TAU)

pro-

vide

a

25-pin

male

connector

for

connection

to

an

external

communications

device

(modem)

or

distant

terminal.

The

interface

meets

the

requirements

of

EIA -RS-232C.

(See

Page

2-6

for

cables

available

from

Teletype

Corporation.)

The

assignments

are

given

below:

EIA

DATA

SET

INTERFACE

SIGNALS

Connector

EIA

Circuit

Signal

Designation

Status

1

Protective

Ground

AA

Not

Wired

in

TAU

or

Recommended

Cable

2

Transmit

Data

BA

Always Mark

3 Rece

ive

Data

BB

Active

4

Request

to

Send

RS

Always

Off

(Issue

IB Logic,

Card)

Always

On

(Issue

2A

Logic

Card)

5

Clear

to

Send

CB

Active

6

Data

Set

Ready

CC

Active

7

Signal

Ground

AB

Ac

t i ve

8

Received

Line

Signal

CF

Active

Detector

9 Not Wired

in

TAU

or

Recommended

Cable

10

Not

Wired

in

TAU

or

Rec

ommended

Cable

11

TWX

Control

Not

Applicable

12

Data

Speed

Indicator

SCF

Not

Applicable

13 Not Wired

in

TAU

or

Recommended

Cable

14 Not

Wired

in

TAU

or

Recommended

Cable

15 Not

Wired

in

TAU

16 Not

Wired

in

TAU

or

Recommended

Cable

17 Not Wired

in

TAU

18

TWX

Indicator

Not

Applicable,

Not

Wired

i.n

Recommended

Cable

19 Not Wired

in

TAU

or

Recommended

Cable

20

Data

Terminal

Ready

CD

Ac

t

ive

21 Not

Wired

in

TAU

or

Recommended

Cable

22 Not

Wired

in

TAU

or

Recorrmended

Cable

23

Data

Speed

Select

CH

Always

Off

24 Not

wired

in

TAU

or

Recommended

Cable

25

Analog

Loop

Test

Always

Off

373,

2-4

PART

2

--

INSTALLATION

(Cant)

B.

INTERFACES

(Cant)

The 43l0AAA and

AAE

sets

are

furnished

without

the

interface

signaling

unit.

Con-

nection

to

the

external

conununications

device

(provided

by

the

customer)

'is

made

through

a

20-pin

connector,

Berg

65346-003

or

3M

3421-300

or

equivalent

at

the

end

of

a

short

ribbon

cable.

No

provision

is

made

for

adding

additional

cable

length.

Electrical

Characteristics

of

Interface

Leads

are:

Electrical

signals

compatible

with

low-power

TTL

logic

are

utilized

for

both

con-

trol

and

data

interchange

as

described

below:

STATE

DRIVER

TERMINATOR

MARK

+2.4

<

VMARK

<

+5.25

Volts

+2.0

<

VMARK

~

+5.25

Volts

(OFF)

(1)

SPACE

o <

VSPACE

<

+0.4

Volts

0

<-

VSPACE

~

+0.7

Volts

(ON)

(0)

TTL

ASSIGNMENT

CHART

No.

Code

Function

Status

1

DL

Digital

Loop

Test

Active

2 DSI Data Speed

Indicator

Not

Applicable,

Not Wired

in

TTL

Cable

to

Terminal

3

AL

Analog

Loop

Test

Not

Applicable,

Is

Wired

in

TTL

Cable

4

DSS

Data

Speed

Select

Not

Applicable,

Not Wired

in

TTL

Cable

from

Terminal

5

TR

Terminal

Ready

Active

6

RS

Request

to

Send Not

Connected,

Always

Off

(Issue

lB

Logic

Card)

--

Always

On

(Issue

2A

Logic

Card)

7

+5

Volts

Active

8

Reserved

for

Not

Applicable,

Not Wired

in

TTL

Cable

future

9

GND

Circuit

Ground

Active

10

Reserved

for

Not

Applicable,

Not Wired

in

TTL

Cable

future

11

-12

Vol

ts

Active

12

Reserved

for

Not

Applicable,

Not Wired

in

TTL

Cable

future

13 +12 +12

Volts

Active

14

DP

Duplex

Indicator

Not

Applicable,

Is

Wired

in

TTL

Cable

from

Terminal

15

DR

Data

Ready

Active

16

TW2

1WX

Indicator

Not

Applicable,

Not Wired

in

TTL

Cable

17

RD

Receive

Data

Active

18

TWl

TWX

Control

Not

Applicable,

Not Wired

in

Tn.

Cable

19

SD

Transmit

Data

Always Mark

20

Reserved

for

Not

Applicable,

Not Wired

in

TTL

Cable

future

PART

2

--

INSTALLATION

(Cont)

C.

ASSEMBLY

MANUAL

373,

2-5

The 43

Teleprinter

Basic

RO

Set

is

furnished

fully

assembled

and

tested

with

one

of

the

signal

interfaces

described

on Page

2-3,

B.

INTERFACES

..

CAUTION:

TO

AVOID

CONDENSATION

ON

THE

ELECTRICAL

COMPONENTS,

THE

TERMINAL

SHOULD

BE

ALLOWED

TO

ASSUME

ROOM

TEMPERATURE

BEFORE

UNPACKING,

FOR

EXAMPLE,

WHEN

BROUGHT

INTO

A

WARM

HUMID

ROOM

FROM

OUTSIDE

SUBZERO

TEMPERATURES.

1.

UNPACKING

-a.

Unpack

the

large

carton.

Refer

to

instructions

on

the

container.

b.

Remove

tape

securing

the

cover

to

the

housing

(see

below).

c.

Depress

the

cover

locking

tabs

on

the

lower

front

of

the

cabinet

and

lift

the

cover.

Remove

the

packing

detail

securing

the

print

head

(see

be

ION)

•

d.

Verify

that

the

following

items

are

included

in

the

box:

1 -

Set

--

43

Teleprinter

Basic

RO

(43l0AAA,

AAB,

AAC,

AAD,

AAE,

or

AAF)

1 -

Ribbon

1 -

Manual,

Installation

and

Routine

Servicing,

373

1 -

Manual,

Attendant,

372

1 -

Paper

Holder

(Sprocket

Feed

only)

1

Paper

Supply

Assembly

(Friction

Feed

only)

TAPE

COVER

LOCKING

TABS

COVER

'------

-----\-

"\)

PAPER

SUPPLY ASSEMBLY

(Friction

Feed)

PAPER

HOLDER

(Sprocket

Feed)

NOT~:

Fall-fold

12

by

8-1/2

inch

paper

(sprocket

feed),

8-1/2

inch

wide

by 5

inch

diameter

rolls

(friction

feed)

and EIA

and

modular

telephone

cords

must

be

obtained

locally

or

ordered

separately.

Refer

to

HTO

for

paper

suppliers.

EIA

and

modular

telephone

cords

can

be

ordered

from

Teletype

Corporation

(see

Page

2-6).

2.

TELEPHONE

AND

LINE

CONNECTION

BOTICE:

In

the

U.S.A.,

under

the

FCC

registration

program,

the

43

Teleprinters

with

430750

terminal

data

units

(TDU)

may

be

connected

directly

to

the

telephone

switched

network

subject

to

the

following

conditions:

a.

Connection

must

be

through

a

standard

six-pin

miniature

jack

(USOC

RJllC)

installed

by

the

Telephone

Company.

b.

The

telephone,

if

any

is

to

be

connected

to

the

teleprinter,

must

be

registered

or

grand

fathered

(B~ll

System

500

or

2500

type

or

equivalent)

and be

reported

as

such

to

the

local

Telephone

Company.

373,

2-6

PART

2

--

INSTALLATION

(Cant)

C.

ASSEMBLY

(Cont)

2.

TELEPHONE

AND

LINE

CONNECTION

(Cont)

Registration

Tag on

Registered

Terminals

(Attached

to

TDU

and

readable

through

slots

in

bustle.)

--

.--

Left

Rear

Corner

of

43

Teleprinter

~3/8'~

~

USOC

RJIIC

Jack

c.

Before

connection

or

reconnect

ion

to

the

switched

network,

the

local

Telephone

Company

must

be

advised

of

the

following:

Registered

Terminals

Only

(With

Registration

Tag)

(1)

Registration

Number

(from

tag)

(2)

Ringer

Equivalence

(from

tag)

(3)

Telephone

number

where

terminal

will

be

connected.

Grandfathered

Terminals

Only

(No

Registration

Tag)*

(1)

Teleprinter

model

number

4310

(RO)

or

4320

(KSR)

with

~u[[ix

AAB

(sprocket

feed)

or

AAF

(friction

feed).

Includes

built-

in

Western

Electric

l53Al

modem

(TDU).

(2)

Telephone

number

where

terminal

will

be

connected.

(3)

Ringer

Equivalence:

0.3

(4)

Ringer

Type:

A

(5)

Voice

baud

metallic

signal

power:

Nonadjustable

-9

dbm

max.

(6)

Baud

Rate:

300 max.

*First

time

connection

must

take

place

before

July

1,

1979.

The

teleprinter

may

remain

connected

and

be

reconnected

for

its

life.

eRefer

to

Manual 407

for

additional

registration

instructions.

MANUAL

373,

2-7

43l0AAB

and

AAF

Sets

With

TDU

Modular

telephone

present

at

installation

location:

a.

Remove

the

modular

cord

plug

from

the

modular

jack

associated

with

the

key-

less

telephone

to

be

used

with

the

teleprinter

(squeeze

tab

to

release).

Connect

the

plug

to

the

lower

connector

marked

LINE

on

the

rear

of

the

TDU

accessible

through

the

opening

in

the

left

rear

of

the

bustle

cover

as

shown

below.

b.

Connect

the

additional

modular

cord

between

the

upper

connector

on

the

TDU

marked

PHONE

and

the

telephone

jack

as

shown

below.

No

modular

telephone

present

at

installation

location:

Connect

the

modular

cord

plug

to

the

lower

connector

marked

LINE

on

the

rear

of

the

TDU,

accessible

through

the

opening

in

the

left

rear

of

the

bustle

cover,

connect

remaining

end

of

modular

cord

to

line

connecting

block.

(Rear

View)

Line

Connection

(Set

With

TDU)

SQUEEZE

TAB

TO

RELEASE

43l0AAC

and

AAD

Sets

with

TAU

MODULAR TYPE CORDS

7

foot

length

430581

14

foot

length

430582

25

foot

length

430583

~

"R

B'

•Y

7

a.

The

connecting

cables

between

the

terminal

and

the

data

set

must

be

furn-

ished

by

the

installer

and

should

employ

shielded

cable.

The

following

cables

are

available

from

Teletype

Corporation:

7

foot

length

12

foot

length

25

foot

length

50

foot

length

408065

408066

408067

408068

373,

2-8

PART

2

--

INSTALLATION

(Cont)

C.

ASSEMBLY

(Cont)

2.

TELEPHONE

AND

LINE CONNECTIONS, 4310AAC

and

AAD

Sets

with

TAU

(Cont)

b.

The

connection

to

the

data

set

and

telephone

(if

present)

should

be

made

following

the

instructions

for

the

particular

data

set

involved.

TEL

LINE

TELEPHONE

(Optional)

117

V

AC

4310AAA

and

AAE

Sets

Without

Interface

Signaling

Unit

(Rear

View)

Connection

to

the

43

RO

Teleprinter

interface

cable

requires

the

removal

of

the

paper

holder

or

paper

supply

assembly,

paper

deflector

(if

present)

and

bustle

cover.

Refer

to

Page

3-7,

C.

COMPONENT

ACCESS

for

removal

instructions.

This

set

is

not

equipped

with

a

communications

unit

and

telephone

and

line

connections

cannot

be

made

until

the

RO

set

is

provided

with

an

appropriate

communications

device.

The

connections

to

the

telephone,

data

set

or

communi-

cations

device

should

be

performed

following

the

instructions

for

the

particular

device

involved.

3.

ACCESSORIES

a.

Install

the

ribbon

and

paper.

Refer

to

Manual

372.

b.

Install

the

friction

feed

paper

supply

assembly

or

the

sprocket

feed

paper

holder

if

desired

by

the

customer.

If

the

paper

holder

is

not

installed,

provide

to

attendant

for

possible

future

use.

Refer

to

Page

3-7.

c.

Record

any

nonstandard

options

enabled

in

the

space

provided

on

the

directory

card.

(Write

in

any

not

listed

on

card.)

d.

Fill

out

remaining

information

on

the

directory

card

in

accordance

with

local

procedures,

(ie,

provide

attendant

with

HTO

manual,

ribbon

ordering

form,

etc).

e.

Install

the

directory

card

in

the

holder

provided

"Frequently

Called

Numbers"

side

up.

Refer

to

Page

3-7.

4.

STATION TESTING

After

installation

the

station

shall

perform

as

stated

in

the

How

To

Operate

Manual

372.

MANUAL

373,

3-1

PART

3

--

ROUTINE

SERVICING

A.

TROUBLE

ISOLATION

AND

CORRECTION

QUESTIONS

1.

Is

the

TERM

READY

lamp

lit?

(Depress

RESET

key.)

(Power

available

and

set

power

on.)

YES

NO

Go

to

2.

Go

to

1a.

~------------------~---------~--------------

la.

Is

there

an

indication

of

power

Go

to

lb.

Check

and

replace

set

fuse

in

the

set?

(Lamps

flash

when

(Fl)

if

blown.

power

is

turned

on and

off,

red

lamp on

power

supply,

etc.)

(See

Page

3-6.)

Trouble

is

in

terminal

if

fuse

blows

again.

If

not

blo~Nn

go

to

lb.

-- - -

---

----

-------

- - - -

---

-

--

--~

- - -

---

--

- - -

---

·lb.

Is

red

lamp on power

supply

Check

opcon

cable

Check

fuse

(F2)

on

power

lit?

connector.

supply.

If

blown,

check

2.

DOes

printer

print

test

message

while

the

PRINTER

TEST

key

is

depressed?

(ie,

character

set

printed

repeatedly

within

margin

restraints.)

(See

Page

3-7.)

for

foreign

objects

be-

tween

circuit

lands

or

terminals

and

replace

fuse.

Go

to

2a.

Trouble

is

in

terminal

if

fuse

blows

agains

Turn

off

power

for

several

seconds

and

retry.

Replace

terminal.

~

--

-----

--

- - - - -

--roo

---

-

--

- - - - -

---

-

--

-

-----

2a.

Are

any

of

the

following

Check

Page

2-1,

Go

to

2b.

characters

substituted

in

A.

VARIABLE

copy?

0 ¢

FEATURES,

431.

"1'

-~

-

--

-

----------

----

--

-----

---

--

------

2b.

Are

undesired

line

lengths

set

as

follows

when power

is

turned

on?

72

80

132

2c.

Is

printed

copy

properly

centered

or

aligned

with

edges

of

paper?

Sprocket

Feed-parallel

to

edge

and

not

printing

on

fold

or

form

line.

Friction

Feed-properly

centered

on

roll

paper.

Check

Page

2-1,

A.

VARIABLE

FEATURES,

432.

Go

to

2c.

~

--

---- - - - - - --- - -----

--

Go

to

2d.

Sprocket

Feed

-

Check

Right

Paper

Sprocket

adjustment

and

Printed

Line

adjust-

ment.

(See

Page

3-8.)

Fric

tion

Feed -Check

Left

Hand

Margin

adjustment.

(See

Page

3-9.)

373,

3-2

PART

3

--

ROUTINE

SERVICING

(Cont)

A.

TROUBLE

ISOLATION

AND

CQRRECTION

(Cont)

QUESTIONS

2d.

Is

print

density

acceptable

(including

any

carbons)?

3.

Does

terminal

have

a

TDU·

(Terminal

Data

Unit)?

YES

Go

to

3.

Go

to

4.

Does phone

ring

only

once

(if

Go

to

5.

present)

and

the

DATA

key

light

following

a

received

call

in

the

Terminal

Ready mode?

5.

Are

data

messages

properly

Go

to

6.

received

in

DATA

mode?

(sta-

tions

operating

at

same

speed).

NO

Replace

ribbon.

Make

sure

print

head

is

locked.

Check

proper

density

multicopy

paper.

On-line

communications

troubles

encountered

using

externally

con-

nected

data

sets

and

telephones

or

other

arrangements

may be

insolated

by

observing

signals

at

the

EIA

or

TTL

interface.

See

Page

2-3,

B.

INTERFACES.

Originating

station

must

send

originating

frequen-

cy

tones,

ie,

go

to

DATA

mode.

If

ok,

trouble

is

in

teleprinter.

Check Page

2-2

A.

VARIABLE

FEATURES,

436.

Go

to

Sa.

1----

------

---

-

--

- -

--

- - - - -

--

- - - - - -

---

--

---

Sa.

Does

substitute

character.

Check

Page

2-2,

Go

to

6.

appear?

A.

VARIABLE

FEATURES,

437.

If

ok,

trouble

is

in

tele-

printer.

6.

Does

carriage

return

auto-

matically

when

line

lengths

beyond

the

right

mgrgin

are

received

on-line

and

does

station

disconnect

w~en

EOT

is

received?

Place

in

service.

Check

Page

2·-1,

A.

VARI-

ABLE

FEATURE

S,

433

or

435.

If

ok,

trouble

is

in

station.

MANUAL

373,

3-3

PART

3

--

ROUTINE

SERVICING

(Cont)

B.

PERIODIC

CHECKS,

LUBRICATION

AND

CLEANING

1.

GENERAL

This

part

provides

routine

servicing

procedures

for

the

43

Teleprinter

Basic

RO

Station.

Routine

servicing

should

be

performed,

at

the

convenience

of

the

customer,

at

least

once

a

year.

Routine

servicing

consists

of

visual

checks,

lubrication,

and

cleaning.

When

per-

formed

at

routine

intervals,

the

possibility

of

later

troubles

will

be

reduced.

Following

routine

servicing,

a

local

and

on-line

installation

checkout

should

be

performed.

The

routine

servicing

date

should

be

filled

out

on

the

bottom

side

of

the

directory

card

holder.

2.

VISUAL

CHECKS

The follo·,oling

areas

should

be

checked

for

mechanical

condition:

a.

Frayed

belts

on

spacing

and

line

feed

motors

b.

Worn

or

frayed

ribbon

c.

All

cable

connectors

fully

seated

(Page

3-7).

d.

Print

head

cover

fully

seated.

3.

CLEANING

AND

APPEARANCE

Examine

exterior

areas

for

sm~dges,

dust,

etc.

Check

proper

fit

of

cover.

Replace

extremely

damaged

or

discolored

cover,

housing,

bustle,

etc.

Exterior

cleaning

should

normally

be

limited

to

wiping

with

a

soft

cloth

moistened

with

a

mild

detergent.

However,

in

case

of

ink

stained

plastic

surfaces,

a

water-

less

(nonabrasive)

hand

cleaner

or

a

lather

from

abrasive

bar

soap

applied

with

a

cloth

should

be

used.

Interior

areas

should

be

examined

with

the

cover

opened

and

accumulations

of

paper

dust

or

ribbon

fragments

cleaned

by

carefully

brushing

loose

material

onto

a

cloth.

Ink

stains

or

deposits

on

interior

surfaces,

ribbon

rollers,

platen,

etc,

can

be

wiped

with

a

cloth

dampened

in

mineral

spirits.

~ARNING:

DO

NOT

ALLOW

MINERAL

SPIRITS

OR

SOLVENTS

TO

CONTACT

EXTERIOR

PLASTIC

SURFACES.

4.

LUBRICATION

PROCEDURES

The

printer

can

be

lubricated

by

opening

the

cabinet

cover.

Apply

lubricant

to

points

as

indicated

on

Page

3-5

and

3-6.

On

small

parts,

a minimum amount

of

lubricant

should

be

applied

so

that

the

lubricant

remains

on

the

parts

and

does

not

run

off.

Excessive

lubricant

should

be removed

with

a

dry,

lint-free

cloth.

373,

3-4

PART

3

--

ROUTINE

SERVICING

(Cont)

B. PERIODIC

CHECKS,

LUBRICATION

AND

CLEANING

(Cont)

The

following

areas

must

be

kept

dry,

free

of

all

lubricant:

All

electrical

com-

ponents,

including

terminals.

All

parts

normally

touched

by

the

operator,

includ-

ing

exposed

surfaces

in

ribbon,

paper

handling

areas,

and

all

large

flat

areas.

The

to11owing

symbols

indicate

the

quantity

of

lubricant

to

be

used

in

a

specified

area:

Symbols

01,

02,

03,

etc,

refer

to

1,

2,

3,

etc,

drops

of

oil.

The

following

list

of

symbols

applies

to

the

lubrication

instructions

and

the

type

of

lubricant

to

be

used:

a

Oil

88970

(1

qt),

88971

(1

gal),

318775

(4

oz)

G-A

Apply

thin

film

of

97116

(4

oz)

or

88973

(1

1b)

grease.

G-B

Apply

thin

film

of

Syn-Tech

grease

(use

430836

tube

with

grease

and

430838

brush).

G-C

Fill

with

Poly

Oil

grease

(use

430837

injector

with

grease).

S

Saturate

felt

oilers,

washers,

and

wicks

with

oil.

D Keep

dry,

no

lubricant

permitted.

Lubrication

Checklist:

(See

Pages

3-5

and

3-6.)

Lead

Screw

--

Film

of

grease

over

entire

threaded

portion

of

lead

screw.

Carriage

Wicks

--

Saturate

with

oil

(4

places)

Ribbon

Guide

Rollers

--

2

drops

of

oil

(2

places)

Ribbon

Rollers

--

2

drops

of

oil

(2

places)

Ribbon

Tension

Arm

Pivot

and

Spring

--

2

drops

of

oil

each

(4

places)

Spacing

Tension

Arm

Pivot,

Roller

and

Spring

--

2

drops

of

oil

each

(4

places)

Platen

Bearing

--

5

drops

of

oil

each

side

(2

places)

Finger

Pivots

--

2

drops

of

oil

each

side

(2

places)

Paper-Out

Arm

Pivot

--

2

drops

of

oil

on

both

pivot

points

(sprocket

feed

only).

Lead

Screw

Pulley

Clip

--

Grease

between

clip

and

lead

screw

shaft.

Pressure

Roller

Bail

Spring

--

2

drops

of

oil

each

end

(2

places

-

friction

feed

only).

Platen

Tray

Shaft

--

2

drops

of

oil

each

,~nd

at

the

side

plates

(2

places

-

friction

feed

only).

Pressure

Roller

Bail

--

2

drops

of

oil

each

end

at

pivot

points

on

each

side

of

bail

(2

places

-

friction

feed

only).

Carriage

and

Nut

Engaging

Surfaces:

a.

Two

Nut

Drive

Arms

--

Grease

four

bearing

surfaces.

b.

Nut

Keying

Arm

--

Lubricate

by

packing

carriage

engaging

slot

with

grease.

Print

Head:

a.

Active

Armatures

and

Outer

Pole

Plate

--

Grease

at

the

upper

pivot

area

as

well

as

the

lower

locator

area

(9

places).

b.

Print

Wire

Well

Area

--

Completely

fill

with

grease.

5.

LUBRICATION

POINTS

02

Paper-Out

Arm

Pivot

Ribbon

Tension

Arm

Pivot

and

Spring

02

Platen

Tray

Shaft

(Each

End)

02

Finger

Pivots

(Each

Side)

MANUAL

373,

3-5

02

Pressure

Roller

Bail Spring

~_---"7(Each

End)

Friction

Feed

Only

Platen

Bearing

(Each

Side)

Carriage

Wicks

(2)

02

Lead

G~A

Carriage

and Nut

Engaging

Surfaces

Carriage

Wicks (2)

Spacing

Tension

Arm

Pivot,

Roller

and

Spring

Lead

Screw

Pulley

Clip

373,

3-6

PART

3

--

ROUTINE

SERVICING

(Cont)

B.

PERIODIC

CHECKS,

LUBRICATION

AND

CLEANING

(Cont)

5.

LUBRICATION

POINTS

(Cont)

G-C

Print

Head Well Area

MANUAL

373,

3-7

PART

3

--

ROUTINE

SERVICING

(Cont)

C.

COMPONENT

ACCESS

1.

Operator

Console

(Opcon),

Cables,

Teletype 43 Teleprinter Basic RO User manual

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