FRIDEN STW - Page 43

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B-ts-80

FRIDEN

CALCULATING

MACHINE

CoO,,

INC.

Page

43

SPECIAL

FEATURES

FGI

FIG.

2

148.

BLOCKING

ARM

FOR

DIVISION,

GCOM-

PLETE

TRANSFER;

Fig.

1.

In

Home

Position,

Eccentric

Screw

Stud

A

should

clear

bettom

of

Arm

B

.020

to

,030,

Adjust

at

C.

Fig.

2.

Machine

tripped

for

Division,

Stud

A

should

clear

Arm

B

no

more

than

.001.

Adjust

Eccentric

Stud

A.

VERY

CLOSE

ADJUSTMENT

IN

FIG.

2.

I~

©

149.

COMPLETE

TRANSFER

IDLER

GEAR

SECTION:

There

should

be

an

equal

amount

of

backlash

or

play

in

beth

Add

and

Subtract

mo-

tions.

This

canbe

determined

by

turning

#12

Diat

slowly

by

Dial

Wrench

or,

in

the

machine,by

handcrank,

and

noting

how

the

individual

Dials

pick

up

as

the

transfer

motion

progresses

from

the

12th Dial

to

the

20th

Dial,

If

the

Idler

Gear

Section

is

in

too

deep,

there

will

be

more

back-

lash

or

play

in

Minus

than

in

Plus;

if

the

Idler

Gear

Section

is

not

in

deep

enough,

there

will

be

more

backlash

or

play

in

Plus

than

in

Minus.

Adjust

as

follows:

INWARD:

Turn

Allen

Screws

A

and

B

outward,

and

tighten

Screws

C

and

D

a

like

amount.

OUTWARD:

Turn

Screws

C

and

D

outward,

and

tighten

Screws

A

and

B

a

like

amount.

CAUTION:

1/12th

of

a

turn

of

the

adjusting

Screws

may

be

sufficient.

Keep

the

Idler

Gear

Section

adjustment

even.

There

should

be

an

equal

amount

of

backlash

at

both

ends

of

Idler

Gear

Section,

and

it

may

be

only

necessaryto

ad-

just

at

one

end.

TIGHTEN

SCREWS

C

AND

D

VERY

LIGHTLY

to

prevent

distortion

of

Bracket

E.

It

is

not

necessary

to

disturb

upper

Bracket.

“Shown

above

are

Idler

Gears

F

and

Transfer

Gears

G

on

Product

Dial

Shafts.

This

illustrates

how

the

Gears

mesh

together.

MODEL

STW

150,

BAIL

FOR

DISABLING

COMPLETE

TRANS-

FER

IDLER

GEAR:

With

Complete

Transfer

Blockout

Bail

A

depressed

manually,

none

of

the

Bails

B

should

touch

Bracket

C

and

none

should

have

more

than

.005

play

in

this

position,

This

is

to

ensure

equal

control

of

the

Idler

Gears.

To

adjust,

insert

point

of

a

screwdriver

D,

or

other

suitable

brace,

under

lower

tail

of

Bail

B;

and,

using

Forming

Tool

E,

form

upper

tail

of

Bail

Bas

shown

at

right,

CAUTION:

Alladjustments

for

Complete

Trans-

fer

Mechanism

are

very

close

and

must

be

made

very

carefully.

It

is

well

to

eliminate

all

other

possible

causes

of

error

before

attempting

ad-

justment

of

the

Idler

Gear

Section.

b.

TESTING

PROCEDURE

FOR

COMPLETE

TRANSFER

DETENT

CHECK:

Turn

Dials

slightly

out

of

centralized

position

and

release

to

see

that

they

return

to

center

of

Detent.

Failure

to

central-

ize

easily

may

indicate

that

Idler

Gearsare

being

held

too

high

by

Disengaging

Mechanism.

Also

look

for

binds

in

Sensing

Fingers

or

in

Dial

Bear-

ings.

PICK-UP

CHECK:

Turn

Dials

backward

from

0

through

9

to

8

and

back

through

9to

1.

Do

this

several

times.

No

flicker

or

attempt

to

trans-

fer

to

the

next

Dial

to

the

left

should

be

seen.

A

movement

in

the

next

Dialto

the

left

indicates

Idler

Gears

are

not

being

held

high

enough

by

Disengaging

Mechanism.