Monarch 6 Series Manuale utente

-

OPERATOR'S

MANUAL

SERIES

ENGINE

AND

TOOLMAKER'S

LATHES

SIDNEY,

OHIO

1670

S-s-

✓

c..v

~

0

,

{J

-

/f"

3 -oI -

::J.

/

.3

2

~illil

61

OPERATORS

MANUAL

OPERATING

LEVERS

AND

CONTROLS

Headsto

ck

spindie

.

Identifi

c

ation

plate

.

Spindle

speed

index

plate

.

Headstock

spindle

speed

change

levers.

Upper

compound

lever.

Lower

c

ompound

lever.

Feed-thread

index

plate.

Tumbler

knob

.

Feed-thread

lever.

Spindle

control

lever.

Tumbler

lever

.

Electrical

switch

grouping.

Reverse

stop

dogs

.

Apron

handwheel.

Longitudinal

feed

and

traverse

lever.

Feed

directional

control

knob.

Cross-feed

and

traverse

lever.

Half-nut

closure

lever.

Spindle

control

lever

.

Chasing

dial.

Leadscrew

reverse

lever.

Control

rod

.

'rraverse

rod.

Feed

rod.

Leads

crew

Reverse

rod

.

Thread

chasing

stop

.

Tailstock

handwheel.

Tailstock

clamp

nut.

Tailstock

set-over

screw

.

Tails

tock

pick-up

bushing.

Tailstock

spindle

binder

lever

.

Tailstock

spindle.

Tailstock

pick-up

plunger

.

Carriage

binder

clamp

.

Compound

rest

dial

and

handle.

Cross-feed

dial

and

handle.

MONARCH

MACHINE

.

TOOL

-

INTRODUCTION

Your

Monarch

lathe

will

produce

more

and

bet-

ter

work with

less

operator

fatigue.

It

has inbuilt

precision

of

the

kind which

has

made

Monarch

the

accepted

standard

in

the

lathe

field

for

many

years

.

It

is

provided

with

the

nigher

speeds

and witlr the

ease

of

operating

effort

so

necessary

for

maximum

productive-

ness

.

Give

your

Series

61

the

care

which a

precision

tool

deserves.

Follow

the

suggestions

and

in-

structions

contained in

this

handbook and you

will

be

rewarded

by

superlative

performance

over

the

years.

RECEIVING

AND

CLEANING

After the

lathe

has

been

uncrated

down to

the

sk

i

ds,

remove

the

packing

list

from

the

parts

box and

check

the

shipment.

Any

shortage

or

discrepancy

found should be

reported

immedi

-

ately

to

The

Monarch

Machine

Tool

Company,

Sidney, Ohio. Always, when

referring

to

the

machine,

mention

the

serial

number.

This

is

stamped

on

the

identification

plate

attached

to

the

front

of

the

headstock.

The

lathe

should

re-

main

on

the

skids

until

it

is

moved

as

close

as

possible

to

the

point of

installation.

From

the

time

the

lathe

is

uncrated

until

all

of

the

"anti-rust"

compound

is

removed

none of

the

working

parts

such

as

the

carriage,

tailstock

and

levers

should be moved.

The

vigorous

ap-

plication

of a

brush

and a

suitable

solvent

re-

moves

this

compound quickly.

After

the

lathe

has

been thoroughly

cleaned

apply a thin

film

of

oil

to

the

bed

ways.

LIFTING

Be

sure

to

exercise

great

care

when lifting and

moving

the

machine.

Serious

damage

can

result

if

the

lathe

is

dropped

or

the

leadscrew

and

con-

trol

rods

at

the

front

of

the

bed

are

bent.

CAUTION:

Be

sure

to

select

cables

with

suffi-

cient

strength

for

the

job, and

al-

ways

balance

the

load

before

lifting.

FIGUIE 2 - Llftln1 a SerfH 61 lathe.

3

I

~-~

SERIES

61

OPE

.

RATORS

MANUAL

4

TURNING

MACHINES

INSTALLATION

In

order

for

the

ma

chine to

turn

,

bore

and

face

a

cc

urately

t

he

bed

must

at

all

times

be

free

from

twist

and

distortion.

A good

solid

founda-

tion

is

a "

must"

for

a

pre

c

ision

machine

tool.

Pr

e

ferabl

y,

it

should

be

of

heavy

c

oncrete.

If

this is

not

possible,

it

is

essential

that

the

floor

be

rigidl

y

supported

.

The

ne

xt

step

is

leveling,

and

too

much

stress

can

not be

la

id on

the

importance

of

doing

this

w

ith

the

utmost

care.

Use

a

precision

le

v

el

gr

a

duated

.0005"

per

foot

and

two

parallels

.

Pla

ce

the

parallels

on

the

front

and

rear

flats

and

lay

the

le

v

el

square

ac

ross

the

parallels

.

·Do

this

at

both

ends

of

the

bed

.

Inside

the

c

abinet

legs,

and

readily

ac

c

essible

by

openi

ng

the

doors

,

are

the

leveling

sc

rews.

Eight

or

more

round

,

countersunk

leveling

plates

are

supplied

with

the

machine

.

Place

a

leveling

plate

under

each

leveling

screw

and

ad-

just

the

screws

until

the

lathe

is

le

v

el

at

both

ends

.

The

ma

c

hine

should

be

che

c

ked

for

le

v

el

about

once a

week

for

the

first

two

months.

Af-

t

er

t

hat

it

should

be

c

hecked

ev

ery

two

months

or

so

depending

upon

the

nature

of

the

founda-

tion.

LUBRICATION

More

than

any

other

single

factor

,

adequate

lub-

rication

wi

ll

guarantee

long

,

trouble-free

oper-

ation

of

the

machine.

This

subject

is

fully

cov-

ered

in

the

Lubrication

Section

beginning

on

page

13.

OPERATION

To

benefit

fully

from

the

operational

ease

which

has

been

built

into

the

Monarch

Series

61

and

to

avoid

damage

,

the

operator

should

familiarize

himself

completely

with

the

functions

of

the

var-

ious

controls.

These

are

explained

mechanism

by

me

c

hanism

in

the

section

which

follows.

HEADSTOCK

On

the

front

of

the

headstock

are

four

levers

for

obtaining

the

entire

range

of

sixteen

spindle

speeds.

See

(A),

(B), (C)

and

(D),

Figure

3.

Immediately

below

the

lever

is

the

spindle

speed

chart

showing

the

lever

positions

for

each

speed.

Levers,

(A)

and

(C)

rotate

left;

(B)

and

(D)

ro-

tate

right

in

shifting.

A

void

undue

strain

and

possible

damage

to

the

headstock

by

always

drifting

the

spindle

clutch

when

shifting

levers

(C)

and

(D)

to

a

higher

speed

.

Levers

(A)

and

(B)

can

be

shifted

without

drifting

the

clutch.

FIGURE 3 -Headstock Speed Change Levers

Selecting

the

required

speed

on

the

Monarch

Series

61

is

simplicity

itself.

Choose

the

speed

needed

,

and

read

straight

across

the

lever

po-

sitions

. Note, by

referring

to

the

c

hart,

that

the

lowest

speed

in

the

range

is

obtained

with

all

four

levers

in

their

"down"

position

while

the

highest

speed

is

with

all

four

levers

in

their

''up"

position.

After

a

short

period

of

experience

familiarizes

the

operator

with

the

controls,

he

may

stand

at

the

carriage

and

determine

the

spindle

speed

quickly

by

the

lever

positions.

Immediately

below

the

spindle

speed

chart

is

leads

c

rew

reverse

lever

(E) found on

Series

61

engine

lathes

only.

It

is

used

to

reverse

the

ro-

tation

of

the

leadscrew

for

right

or

left

hand

threads

.

GEAR

BOX

Large,

easily

read

index

plate

(V)

Figure

4

shows

the

wide

range

of

threads

and

feeds

ob-

tainable

by

moving

levers

(Y)

and

(Z)

in

con-

junction

with

knob

(X).

To

set

for

a

particular

thread

or

feed,

move

tumbler

lever

(U)

to

the

right

and

down.

Turn

knob (X)

until

number

op-

posite

index

mark

corresponds

to

number

at

top

-

of

column

on index

plate

which

contains

the

feed

or

thread

desired.

Lift and

lock

lever

(U). Set

levers

(Y)

and (Z)

according

to

plate.

FIGURE

4 -Gear Box Control levers

Lever

(Y)

can

be

positioned

only on

"A"

or

"B"

setting

while

lever

(Z)

can

be

positioned

on

"C",

''D"

or

"E"

setting

.

Lever

(W)

selects

either

the

feed

rod

for

turning

operations

or

the

lead-

screw

for

thread

chasing

operations.

When

shifting

lever

(Y)

to

position

"A"

it

is

necessary

to

jog

the

spindle

except

at

very

low

speeds,

be-

cause

position

"A"

is

the

high

speed

side

of

the

gear

box.

The

regular

thread

range

of

Monarch

Series

61

ma

c

hines

is

from

2

to

120

threads

per

inch

with

feeds

from

.0014"

to

.

0S-4"

per

revolution.

Due

to

the

extreme

range

it

is

seldom

necessary

to

change

end

gears

except

for

special

threads.

APRON

Figure

5

indicates

the

functions

of

the

various

controls

provided

to

impart

the

necessary

move-

ments

to

the

cutting

tool.

(A),

the

apron

hand-

wheel,

moves

the

cutting

tool

manually

,

para-

llel

to

the

bed.

Cross

slide

handwheel, (B),

moves

the

tool

manually,

at

a

right

angle

to

the

bed

. Compound

rest

handwheel

(C)

moves

the

tool

manually,

at

any

angle

to

the

bed

.

Spindle

rotation

is

started

and

stopped

by

means

of

lever

(D)

which

operations

may

also

be

per-

formed

at

the

headstock

end

of

the

machine

FIGURE

S -Front

of

Apron, Equipped with Power Rapid Traverse

5

6

0 P E R A T O R S

MANUAL

where

a

similar

lever

is

attached

to

the

control

rod.

(E)

is

the

carriage

power

feed

and

traverse

control

lever

which, when

pushed

downward,

causes

the

carriage

to

move

at

the

preselected

feed

either

toward

the

headstock

or

the

tailstock

.

Lever

movement

to

the

left

gives

traverse

to-

ward

the

headstock

and to

the

right

traverse

to-

ward

the

tail

stock.

Cross

slide

power

feed

and

traverse

control

lever

(F)

when

pushed

down-

ward

,

causes

th

e

cross

slide

to

move

at

the

preselected

feed

either

toward

or

away

from

the

operator.

Lever

movement

to

the

right

gives

traverse

in

and

to

th

e

left

traverse

out.

NOTE: When

using

levers

(E)

and

(F)

it

is

un-

necessary

to

apply

a

great

amount

of

pressure.

If

they do not

engage

about

halfway down, they

are

in

need

of

ad-

justment.

Feed

directional

knob (G),

has

three

positions.

In

the

in

position

the

c

arriage

feeds

toward

the

tails

tock

and

the

cross

slide

feeds

in.

When in

the

out

position

,

the

carriage

feeds

toward

the

headstock

and

the

cross

slide

feeds

out

.

In

neu-

tral,

the

feed

directional

knob

permits

engage-

ment

of

the

half-nut.

If

threads

are

to

be

ch

ased

,

the

carriage

is

en-

gaged

to

the

leadscrew

by

means

of

half-nut

con-

trol

lever,

(H).

It

is

illustrated

in

its

disengag-

ed

position

and

should

be

straight

down

for

full

engagement.

Always

have

knob (G) in

its

neutral

position

before

attempting

to

engage

lever

(H).

When

lever

(H)

is

partly

or

fully

engaged,

lever

(E)

cannot

be

engaged.

This

is

a

safety

feature

intended

to

prevent

damage

to

the

lathe

should

the

operator

inadvertently

attempt

to

engage

lever

(F)

while

lever

(H)

is

also

engaged.

Thread

chasing

dial

(J),

which

has

four

gradua-

tions

90°

apart,

is

used

for

determining

when

to

engage

the

half nut

during

thread

chasing

opera-

tions

. On any

even

thread

where

the

lead

being

chased

is

divisible

by

four

the

half

nut

may

be

engaged

at

any

point

without

reference

to

the

dial.

For

any

full

number

of

threads

such

as

18, 22, 23

and

so

on (not

divisible

by

four)

the

half

nut

may

be

engaged

at

any

one

of

the

four

graduations.

When

chasing

half

threads

such

as

5-1

/ 2,

6-1

/

2,

13-1

/ 2

the

half

nut

may

be

en-

gaged

at

any two

opposite

graduations

--

No. 1

and No. 3

or

No. 2

and

No.

4.

The

chasing

of

quarter

threads

such

as

2-1

/

4,

3-1/4,

5-3

/ 4

requires

that

the

half

nut

be

engaged

at

the

same

graduation

each

time.

(K)

is

the

carriage

locking

stud,

used

to

lock

the

carriage

to

the

bedways

when

cutting

with

the

cross

slide.

Tailstock

pickup

plunger

(M)

engages

a bushing

on

the

tailstock

base

and

allows

positioning

of

the

tailstock

by

means

of

the

apron

power

rapid

traverse.

A

safety

clutch

(L)

is

provided

in

the

power

rap-

id

traverse

mechanism

to

prevent

damage

should

the

carriage

or

cross

slide

be

locked

in

position.

To

adjust

the

safety

clutch

,

loosen

set

screw

locking

outer

collar

and

rotate

clockwise

to

tighten.

Adjus

t

tight

enough

to

ratchet

when

c

arriage

is

clamped.

Depressing

button

(N)

frees

the

direct

length

reading

dial

(O)

so

th

at

it

may

be

set

to

zero

.

The

plain

apron

without

power

rapid

traverse

(Figure

6)

is

similar

to

the

one shown in

Figure

5.

However

,

levers

(A)

and

(B)

give

only

power

feed,

and

no

direct

length

reading

dial

is

pro-

vided

as

standard.

FIGURE 6

Front

of

Apron Without Power Rapid Traverse

APRON

CONTROL

LEAD SCREW

REVERSE

Leadscrew

reverse

lever

(I)

Figure

5,

is

found

on

the

apron

on

Toolmaker's

models

only.

Con-

trol

of

leadscrew

reverse

from

the

apron

is

particularly

.

convenient

during

thread

chasing

operations

--

for

example,

chasing

threads

with

odd

leads

where

the

half nut

should

not

be

dis-

engaged

;

speed

chasing

of

short

threads,

and,

-

in connection with the

automatic

length

stop,

chasing threads up

to

a

shoulder

or

in a blind

hole.

On an engine

lathe

the

leadscrew

reverse

lever

is

found on the

front

of

the

headstock

dire

c

tly

above

the

gear

box.

Figure

7

shows

the

automatic

length

stop

and

adjusting

c

ollar

at

the

left

hand

side

of

the

apron.

This

stop

is

a

time

saver

not only when

chasing

threads

but

also

for

ordinary

turning

operations.

Asi

milar

stop

on

the

right

hand end of

the

lead-

screw

reverse

c

ontrol

rod

provides

an

automat-

ic stopwith

the

carriage

moving

toward

the

tail-

stock

. To

set

stop

(A),

position

the

threading

or

turning

tool

to

the

required

point

on

the

work

;

then with

the

leadscrew

reverse

lever

in

neutral

position

,

pla

ce

stop

(

A)

against

adjusting

collar

(B) and

tighten

stud

(C).

Collar

(B)

is

for

the

final

close

adjustme

nt and

is

locked

in

place

with nut (D) .

FIGURE

7

Automatic Length Stop

at

Left

Hand

Side

of

Apron

CROSS

FEED

DIAL

AND

THREAD

CHASING

STOP

\

Cross

feed

diameter

dial

(A),

Figure

8,

is

grad-

uated

to

read

in one

thousandths

of

an

inch.

There

are

two

sets

of

numbers.

The

set

nearer

to

the

operator

is

for

reading

when

the

cross

slide

is

feeding

toward

the

front

of

the

machine.

The

second

set

of

numbers

is

used

when

the

c

ross

slide

is

feeding

toward

the

rear

of

the

machine

.

The

dial

is

graduated

to

read

direct,

FIGURE

8

Close-up

of

Cros

s Feed Micrometer Dial

that

is

, .001" on

the

dial

equals

.001" on

the

diameter

or

the

bore

of

the

work.

The

cross

feed

dial

is

locked by

means

of

lever

(B)

whenever

it

is

necessary

to

move

the

dial

for

repositioning

in

relation

to

the

tool.

Thread

chasing

stop

(C)

is

used

to

eliminate

the

slow

and

tedious

operation

of

repositioning

the

tool

to

zero

or

some

other

reading

on

the

cross

feed

dial

,

after

each

cut.

With

the

thread

c

hasing

stop,

the

operator

need

not look

at

the

dial

when

repositioning

the

tool

.

It

is

necessary

only

to

run

the

c

ross

slide

in

to

the

stop

and

proceed

with

the

When

the

thread

chasing

stop

is

engaged

(by

turning

the

knob

all

the

way in),

there

are

three

complete

turns

.of

the

cross

feed

handwheel

between

the

in and

out

stop

positions

at

which two

points

the

diameter

dial

always

reads

the

same.

Graduations

(D) c

lose

to

the

front

of

the

dial

ar e

used

in conjunction

with

lock

{B)

for

the

finish-

ing

cuts

.

This

permits

straight

feed

in of the

tool

instead

of.

an

angle

feed

in

with

th

e

result

that

the

finishing

cuts

are

taken

on both

sides

of

the

thread.

The

following

is

the

pro

c

edure

. Run

the

cross

feed

dial

in

to

the

stop.

Then

, unlock

lever

(B) which

allows

the

cr

oss

slide

to

be

moved

in

without

disengaging

stop

(C) .

Each

of

the

graduations

(D)

equals

.001".

7

~-m]

~tlRIES

r

;,·

61

OPERATORS

MANUAL

-

8

TURNING

MACHINES

TAILSTOCK

The

tailstock

on any

lathe

is

primarily

a

work

supporti

ng device but

it

may

be

used

to

perform

ot

her

important

functions

such

as

drilling,

reaming

and tapping.

Tails

tock handwh

eel

(A),

Figure

9,

is

used

to

tra

ver

se

or

feed

spindle

(B) in

or

out.

To

per-

mit ac

cura

te

dr

i

lling

to

depth

spindle

(B)

is

gradua

t

ed

in

inches

.

Tang

slot

(C)

facilitates

the

remo

v

al

of

drills

and

reamers

from

the

tap-

er

center

hole.

To

remove

the

center,

crank

th

e

spind

le

back

into

the

tailstock

until

the

c

en

-

ter

is

automaticall

y

ejected.

Pulli

ng

lever

(

D)

in a

clockwise

direction

locks

the

spindle

in

position

.

This

should

always

be

done

before

the

start

of

the

cut.

(E)

is

a

clamp-

ing

lever

which quickly

clamps

the

tailstock

to

the bed

for

su

ch

operations

as

drilling

and

reaming

.

It

is

a

feature

found on

all

Monarch

Series

61

Toolmaker's

Lathes

but

not on

Ser

i

es

61

Engine

Lathes

.

On

16"

machines

clamping

lever

(E)

is

supple-

mented

by

clamping

nut

(

F)

which should

be

tightened

when

turning

work

between

centers

or

in any

case

when

there

is

a

considerable

amount

of

pressure

against

the

tailstock.

On 20"

mach-

ines

there

is

an

additional

clamping

nut

on top

of

the

tailstock

.

Ser

i

es

61

16"

and

20"

Engine

Lathe

tailstocks

, while

not

provided

with

quick-

clamping

lever

(E), have double

the

number

of

clamping

nuts.

Aligning

stud

(G)

is

used

to

bring

the

tailstock

to

true

center

with

the

headstock.

On

machines

not

equipped

with

a

taper

turning

attachment,

it

is

sometimes

utilized

to

move

the

tailstock

off

center

for

taper

turning.

There

are

two of

these

studs

,

the

other

being

at

the

rear

of

the

tail-

stock.

Tailstock

pickup

bushing

(H)

is

engaged

by a

plunger

on

the

right

hand

carriage

wing

for

·

positioning

the

tailstock

along

the

bed by

means

of

the

power

rapid

traverse.

FIGURE

9 -Quick Acting Type Tailstock Supplied

on

Series

61 Toolmakers' Lathes.

-

0

FI

G

URE

IO - T

op

Top

Vi

ew

of

Anti

-

friction

B

earing

Ta

p

er

Att

a c

hm

ent

TAPER

ATTACHMENT

The

following

are

the

steps

in

the

setting

of

the

Monarch

anti

-

friction

taper

attachment.

1.

Position

the

carriage

so

the

turning

tool

is

about l

II

from

the

end of

the

work.

2.

Loosen

stud

(J)

and

push

slide

(A),

Figure

10,

all

the

way

in

toward

the

headstock

, po-

sition

bed

clamp

(B)

as

illustrated

,

tighten

knurled

nuts

(

C)

and hex

nuts

(D).

3. Set

swivel

(E)

at

required

taper

by

turning

stud

(F)

and

reading

the

graduations

at

the

hairline

through

magnifying

lens

{G).

4. Lock

nut

(H)

at

the

right

hand

end

of

the

swi

-

vel

and

a

similar

nut on

the

underside

of

the

swivel

at

the

left

hand end.

Tighten

stud

(I).

5. Now,

turn

the

taper

by

feeding

the

tool

to

depth

in

the

usual

manner

with

the

compound

slide.

To

disconnect

the

taper

attachment

for

straight

turning,

loosen

stud

(I),

tighten

stud

(J),

loosen

nuts

(D)

and

tighten

stud

(K).

After

the

tighten-

ing of

stud

(K)

,

bracket

(B)

will

slide

along

the

bed

with

the

carriage

.

Therefore

it

does

not

have

to

be

taken

off

unless

extreme

movement

of

the

carriage

would

run

it

off

the

end of

the

bed.

The

Monarch

taper

attachment

can

be

used

to

turn

tapers

,

bore

tapers

or

chase

tapered

threads

.

Maximum

taper

per

foot

is

4"

and

maximum

length

at

one

setting

is

18".

9

10

,

...•

61

0 P E R A T O R S

MAH

1

-

1AL

CAMLOCK

SPINDLE

The

spindle

on

Monarch

Series

61

lathes

is

known

as

the

Camlock

spindle

be

cau

se

of

the

method

of

attaching

c

hucks,

plates

and

fixtures

.

There

are

six

cam

locks

in

the

spindle

nose.

Two of

thenl

, (A)

Figure

11,

clearly

show

in

the

illustration.

The

small

indicating

line

on

camlock

s (A)

indicates

that

they

are

in

the

un-

locked

position

be

cau

se

these

lines

are

parallel

with

the

spind

le

face.

Arrows

(B)

show

the

di-

rection

in

which

the

camlocks

should

be

rotated

for

tightening.

When

this

is

done,

it

is

important

that

the

camlocks

be

tightened

evenly

. Do

this

graduall

y,

rotating

the

spindle

from

one

to

the

other

until

all

the

locks

are

tight.

It

is

equally

important

that

the

cam

studs,

the

face

of

the

spindle

and

the

back

of

all

chucks,

plates

and

fixtures

be

free

from

dirt

and

burrs

before

mounting

takes

place.

FIGURE

11

Series 61

American

Standard

Camlock

Spindle

Nose

ELECTRICAL

CONTROL

PANEL

The

electrical

control

panel,

Figure

12,

is

lo-

cated

on

the

front

of

the

left

hand

cabinet

leg,

directly

below

the

gear

box.

It

is

within

easy

reach

of

the

operator

at

all

times

with

the

con-

trol

buttons

clearly

marked

for

quick

identifi-

cation

.

Stop

switch

(A)

is

red

in

color

and

protrudes

forward

from

the

panel

somewhat

farther

than

the

other

buttons

so

as

to

make

it

possible

to

stop

the

machine

quickly

should

this

be

necess-

ary

.

This

is

a

safety

feature

for

the

protection

of

both

the

operator

and

the

machine.

FIGURE

12

-Electrical Control Panel

CARE

AND

ADJUSTMENT

The

proper

care

and

adjustment

of

your

Monarch

lathe

is

very

important

for

maintaining

the

ac-

curacy

and

ease

of

operation

which

have

been

carefully

designed

and

built

into

the

machine

A

good

machinist

is

judged

by

the

appearance

and

condition

of

the

tools

with

which

he

works.

The

Monarch

Series

61

has

a

very

fine

finish

which

is

easy

to

keep

clean.

Occasional

wiping

with

a

clean,

dry

cloth

or

solvent

soaked

cloth

will

keep

the

finish

looking

bright

and

new

for

a

long

while.

All

adjustments

are

expertly

made

at

the

factory

before

shipment

of

the

machine

.

Occasionally

,

however,

certain

further

adjustments

may

have

to

be

made.

The

longitudinal

feed

friction

clutch

is

adjusted

by

turning

screw

(A),

Figure

13,

either

in

or

out

so

the

lever

is

moderately

tight

about

halfway

down

toward

the

apron

from

the

neutral

position

shown.

The

cross

feed

friction

clutch

is

simi-

larly

adjusted

by

means

of

screw

(B).

Screws

(C)

and

(D)

are

for

adjustment

of

the

cross

feed

slide

and

compound

slide

gibs.

There

is

a

similar

screw

adjustment

at

the

rear

of

each

slide.

The

gibs

should

be

adjusted

to

give

-

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