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MOt

6-13

To

be

handed

to

the

workshop

Operating

instructions

for

the

Pneumatic

Hack

Saw

type

MOt

6-13

1.

Technical

Data

Type

Output

Incisions

H.P.

per

min.

MOt6-13

I

I

1.5 330

2.

Construction

The

Hack

Saw

type

MOt

6-13

consists

of

th

e

gear

head

,

the

com-

pressed

air

motor

with

regulator,

economy

oiler

and

va

l

ve.

All

turning

parts

run

in

anti-fricUon

bearings.

The

gate

of

the

crank

and

the

connection

rod

are

polished.

The

saw

blade

is

fixed

on

the

connection

rod

by

means

of

the

adjusting

bolt

(69a).

The

air

motor

operates

on

the

sliding

vane

principle.

The

best

efficiency

of

the

motor

is

under

·a

working

pressure

of

6

atmo-

spheres

(86

lbs./sq.

in.).

The

centrifugal

governor

prevents

the

overturning

of

the

air

motor.

For

the

long

working

life

of

the

air

motor

it

is

important

to

pay

attention

to

correct

function

of

the

automatic

economy

oiler.

3.

Taking

tool

into

service

The

centrifugal

governor

is

adjusted

for

a

working

pressure

of

86

lbs./sq.

in.

(6

atm.).

For

other

wor

k

ing

pressures

the

ce

ntrifu-

gal

gov

e

rnor

must

be

regulated

for

360

incisions

(no

load)

per

min

.

Attention!

Before

connecting

up

the

hose

should

be

blown

clear.

Mi

.

nimum

hose

diameter

1/2" (13

mm)!

The

supply

pipes

must

be

as

large

as

possible

and

the

minimum

diameter

of

the

openings

on

couplings

must

be

5

/16"

(8

mm)

.

The

oil

tank

mounted

in

the

handle

must

be

filled

and

the

jet

must

be

adjusted

.

4.

Working

To

avoid

shocks

when

cutting,

the

work

piece

must

be

fixed

strongly

.

Thereby

the

saw

blade

can

not

be

damaged

.

Wh

en c

utting,

the

saw

blade

has

to

be

cooled

by

suds

or

oil.

Choice

the

clamping

de

vic

e

and

the

saw

blad

e

accord

i

ng

to

.

kind

and

size

of

the

work

pi

e

ce.

BE 111/e

BXEW

8. 69

Printed

in

Germ

a

ny

Course

Air

consumption

Wo

r

king

Pressure

in. I

mm

per

min.

P.S.I.

atm

.

I 23/s I

60

I 49

cu.

ft. (1.4 m3) I

90

6

I I

I I

5.

Application

of

the

Clamping

Devices

For

pipes

up

to

4"

(100

mm)

use

the

clamping

dev

i

ceS

14-10-1.

The

clamp

i

ng

chain

(14)

is

to

be

lead

around

the

pipe

and

must

then

be

fixed

in

the

hooks

of

the

strap.

By

aid

of

the

curved

handle

(6)

chain

has

to

be

tightened.

Now

set

the

hack

saw

on

the

supporting

bolt

(20)

of

the

clamping

head

(19).

The

clamping

head

is

adjustable

and

can

be

swtvelled

(for

obl

i

que

cut).

For

profiles

up

to

270

mm

(10")

height

use

the

clamping

device

S 14-20-2.

This

construction

conforms

to

a

parall

el

vice.

For

larger

pipes

of

6- 14"

OD

(150 to 350

mm)

use

clamping

device

S 14-37-2

and

a

saw

blade

of

181

/2"

(465

mm)

leng

t

h.

Instead

of

the

handle

(99)

you

can

fix

a

saw

blade

guide

S 14-35-2

at

the

gear

head

of

the

hack

saw.

(See

our

leaflet

"Off. Bl. 428".)

Support

S 14-25-1 i•s

used

for

free

hand

work

i

ng

and

especially

.

for

cutting

of

corrugated

iron.

This

support

is

fi

xe

d

at

the

gear

head

and

in

the

bor

e

of

th

e

gear

housing

co

ve

r (73)

by

removing

th

e

two

sc

rews

(101).

6.

Maintenance

and

Lubrication

It

is

advisable

to

clean

the

tool

by

pouring

a l

it

tle

paraffin

di-

rectly

into

inlet

socket

(159) at Least

once

a week ,

before

taking

it

into

use

,

and

whene

ve

r

it

h

as

been

out

of

serv

ice

for

an

y

le

ngth

of

time.

Th

en

allo

w

sa

w

to

run

for

about

10-15

se

c

onds

to

flush

the

paraffin

and

all

accumulat

ed

dirt

ou

t of

the

motor.

After

flushing,

pour

a

little

oil

directly

into

the

motor

intake

socket,

as

this

will

improve

its

performance.

The

automatic

economy

oiler

fitted

takes

over

the

general

lubr

i

cation

in

ser-

vice.

Trouble

in

operation

ma

y be

due

to

the

follow

i

ng

causes:

insuf-

ficient

air

pressure,

poor

lub

r

ication

or

lub

ri

ca

til

on

failed

alto

-

ge

th

er

,

mainly

b

eca

us

e

oil

has

hard

ened

du

r

ing

prolonge

d

storage,

slid

e v

alve

114

sticks

due

to

hardening

de

posits

or

ha

s

597

r

--

-

58

-59 60

67

I !

1-

1 1

--

-------

42

43

44

45

46 47 48

49

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775

112

113

117

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111

121

125

126

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I i

Parts

for

clamping

device

S 14-37-2

(for

pipes

from

6"

to

14" [150-350 mm] dia.)

0 £

z

Order

.....

Descrip

tion

s .:

Reference

co

~

;:I

a

1, 11, s 14-37-1 1

yoke,

assembled

12,

14

2, 5,

16

SR

21-41-1 1

screw,

assembled

3 LK 10-19 1

pression

ball

ring

4

MR

l-M12

I 2

hexagon

nut

5 BF 17-160 1

pin

6

PT

1-M6 1

washer

7 BF 5-1,5x10 1

split

pin

8 BF 31-8 1

clamping

chain, 1000

mm

long

9

SR

23-51 1

bearing

bolt

10

PT

1

-M

12 1

washer

Clamping

Device

S 14-37-2

(

Parts

for

Saw

Blade

Guide

S 14-35-1

Section

A-B 12

0

.~

z

Order

s

-;:;

Description

Reference

co

~

;:I

a

aTr,--

-21

rm;rtt-f'rt--

--

11

Is14-35-1 I

1-8 1

guide

bow,

assembled

9

MZ

3-30 1

guide

pulley

16

18

19

20

\ I I

Section

C-D

-~if

-",..,;..,..,

Saw

Blade

Guide

S 14-35-2

10

JS

16-38 2

rubber

ring

11

MZ

3-31 1

guide

pulle

y

12 BF 5-3x15 2

split

key

13 SR 4-M5x50 1

screw,

half-round

14

MR2-M5

1

hexagon

nut,

flat

15

MR6-M5

1 h

ead

nut

16 FD 2-20

I

1

tension

sp

ring

17

MZ

25-35 1 I

fixing

bow

18 BU 10-46 2

eccentric

sleeve

19 1

PT

2-26 2

washer

20 SR 35-M8x30 2 h

exagon

socke

t

screw

.__I

21--'-

1

P_T

1--M

8 -----'----'-2w_ash_er--·J

Parts List

0

z ·

Order

:>.

Description

s a

~

Reference

0

z

Order

:>.

s a

Description

~

Reference

20,21,37

GH

6-53-2 1

gear

housing,

assembled

99

MZ

21-6-2 1

ha

nd

le

assembled

42-79

81-83

87-90

100 SR1-M8x15 2

hexagon

screw

101

SR35-M8x35 4

hexagon

socket

screw

94-95

111

MO

7-89-1 1

piston

101

20

GH

6-53 1

gear

housing

21

SR

20-33 1

end

screw

112

MO

7-90 1 cy

linder

113

MO

7-91 1

cylinder

lin

er

114

MO

7-92 4

slide

37 LK 1-5 1

ball

b

earing

38 ZR 2-19x1,25 1

countershaft

pinron,

18

teeth

115

MO

7-86 1

flange

cover

117

MO

7-93 1 front

side

plate

39 ZR 10-25 1

gear

wheel,

46

teeth

118 SR2-M6x15 4

screw

40 BF 21-4x4x8 1

key

119

MO

7-50 1

hood

41

LK 1-5 1

ball

bearing

120

MO

7-94 1

front

distance

ring

42 ZR 13-16 1

bevel

pinion,

10

teeth

43 LK 6-21 1

needle

·

bearing

121

MO

7-95 1

rear

distance

ring

122

MO

7-48 1

disc

43a

PT

8-149 1

disc

44 LK 10-11 1

ball

race

45

LK8-3

20

ball

46 LG 3-9 1

bearing

shell

47 LK 6-22 1

needle

bearing

48 BF 23-17 1

key

49 ZR 1-24x1,25 1

gear

whee

l, 34

teeth

50

MR9-4

1

threaded

ring

51

RJ

24-23

washer

52 BU 10-34 3

eccentric

bush

53 SR33-M8x20 3

hexagon

socket

head

screw

53a

PT

5

-M

8 3

securing

washer

123 LK 1-31 1

ba

ll

bearing

124

MO

7-96 1

rear

bearing

disc

125 LK 1-9 1

ball

bearing

126

RJ

16-18 ' 1

seeger

circlip

127

MO

7-97 1

regulator

housing

128

MO

7-98 1

segment

bridge

129

MO

7-99 1

regulator

pin

130

MR

1-M5 2

hexagon

nut

131

MO

7-100 1

regulator

spring

132

MO

7-101 2

regulator

weight

133

MO

7-102 1

oiler

134

MO

7-103 1

oiler

screw

54 0 6-9 1

crankshaft

55 LK 16-4 1

ball

bearing

56

PT

19-

31

1

bearing

plate

57

RJ

16-3 1

Seeger

circlip

58

ZR

14-43 1 b

eve

l

pinion,

26 t

ee

th

59 BF21

-5x5x

10 1

key

135

MO

7-104 1

joint

ring

136

MO

7-71 1

regulating

screw

137

M07-72

1

pl

ug

screw

138

MO

7-73 1

joint

ring

139

MO

7-105 2

pin

140 2

rivet

60

MR9-5

1

threaded

ring

61

LK 6-23 1

needle

bearing

150

MO

7-106 1

valve

housing

151

MO

7-107 1

bushing

62

SR

5-M5x16 3

screw

62a

RJ

24-22

washer

63 s 14-16 1

crankpin

64

PT

5-MlO 1 I

spring

washer

65

MR2-M10

1 h

ex

agon

nut

152

MO

7-78 1

nipple

with

fixing

ring

a

nd

sieve

153

MO

7-80 2

pack

ing

ring

154

MO

7-79 1

joint

ring

155

MO

7-108 1 pin

156

MO

7-109 1

ball

66 s 14-13 1

slide

block

157

MO

7-110 1

ball

67-70 s 14-12

-1

1

connecting

rod,

assembled

71

MR

1-M8 2

nut

158

MO

7-83 1 compressi.on

spring

159

MO

7-84 1

connection

piece

72 s 14-11 1

thrust

plate

73

PT

29-17 1

gear

housing

cover

75 s 14-14 1

guide

p

iece

Accessories

75a

s 14-39 1

guide

piece

76

MZ

3-25 2

guide

roller

77

WB

13-39 2

bearing

pin

z22-6 I 2

saw

blade

Z 8-10x14 1

doub

le

ended

.spanner

78 BU 1-158 2

sleeve

z 10-4 1

hexagon

socket

wrench

79 LK 1-4 4

ball

bearing

Z 8-19x22 1 do

uble

ended

spanner

81

BF 1-3x18 2

cy

lindri

cal

pin

82

DJ

4-30 1

felt

gasket

82a

s 14-24 2

oil

retainer

83

MZ

31-20 1

oiler

87-90

WB

12-15-1 1

locking

device,

assembled

94 BF 4-3 2

screw

95

PT

22-49 1

cover

plate

96

SR

;33-M6x30 3

hexagon

socket

h

ea

d

scr

ew

97

DJ

11-6x10 3

joint

ring

I

Clamping

Device

S 14-10-1

eve

16

17

18

Clamping

Device

S 14-20-2

Parts

for

clamping

device

S 14-10-1

(for

pipes

up

to

6"

[150 mm])

ci

£

z

Order

-;:;

Descrip

tion

s

Reference

<U

~

;:l

a

1,2,15 s 14-17 1

yoke

3 BU 7-54 1

guide

bush

4 s 14-19 1

tightening

bolt

5,6

I

MZ

19-28-1 1

bow

with

nut

7, 12 BF 30-27-1 2

plate,

assembled

8 BU 1-144 1

spacer

bush

9

RJ

1-88 2

interm

edi

•

ate

collar

10 BF 2-7x46 2

parallel

pin

11

BU 1-145 2

spacer

sleeve

13 BF 2-7x26 1

distance

p

in

14 BF 31-3 1

clamping

chain

19-23 T 5-9-1 1

clamping

head

,

assembled

19 T 5-9 1

clamping

head

20

SR

23-28 1

supporting

pin

21

BF 1-

3x8

1

parallel

pin

22

PT

1-M14 1

washer

23

MR

1-M14 1

hexagon

nut

Parts

for

clamping

device

S 14-20-2

(for

profiles)

ci

£

z

Order

s

-;:;

Descript

ion

R

efe

renc

e

<U

~

;:l

a

1,3,4,25 BU 1-169-1 1

clamping

t

ube,

assembled

2

DJ

1-42 1

felt

ring

5

SR

22-24 1

thrust

spindle

6,24

MZ

19-28-1 1

handle

with

nut

7 BF 3b-5x24 1

parallel

piln

8

PT

35-27 1

protective

cover

9 LK 7-26 1

thrust

bear

i

ng

10 s 14-26 1

clamping

lug

11

s 14-27 1

clamping

lug

12

PT

8-114 2

guide

plate

13 SR 1-M12x18 2

hexagon

nut

14 BF

3a-4x25

1

self-locking

dowel

pin

15 BF 3f-8x40 2

toggle

pin

16

SR

1-M6x50 2

hexagon

scr

ew

17 BU 1-147 2

spacer

sl

eeve

18

MR

1-

M6

2

hexagon

nut

19-23 T 5-9-1 1

clamping

head,

assembled

(see

under

S 14-10-1)

worn

too

far,

oiler

too

full

or

clogged,

ball

bearings

worn

or

damaged.

Remedies:

check

air

pressure,

clean

motor

with

paraffin

and

lubricate

well.

In

ca

·

se

of

doubt,

or

if

trouble

persists,

return

machirte

to

the

distributor

for

repair.

The

motor

is

automatically

lubricated

by

the

economy

oiler

built

into

the

handle.

Before

the

start

of

each

working

shift,

Ml

the

oiler

with

thin-flowing

resin-free

machine

oil

(SAE 10).

One

filling

will

last

for

one

normal

working

shift.

Oil

feed

is

easily

re-

gulated

.

Take

off

enq

screw

cap

to

expose

the

control

screw

,

tighten

screw

to

reduce

oil

feed,

slacken

screw

to

increase

it.

Generally,

half

a

turn

will

suffice.

Should

the

oiler

become

clog-

ged,

take

out

the

screw,

and

clear

the

bore

which

then

becom

es

visible

with

a

piec

e

of

wire.

If

the

full

oi'ler

is

connected

to

the

compressed-air

line,

the

oil

must

clearly

be

seen

to

bubble

under

the

pressure

when

the

filler

screw

is

open.

All

sliding

faces

of

the

crankshaft

should

be

lubricated

once

a

week

via

the

ball

oiler

on

the

housing.

It

is

advisable

to

renew

the

gear

grease

approx.

every

300

dut

y

hours

.

We

recommend

our

proveri

special

gearbox

grease

FG

11.

The

ball

bearings

should

be

cleaned

approx.

every

900

duty

hours

and

th

en

be

repacked

with

fresh

Fein

FK

3

ball

bearing

grease.

To

prevent overheating

of

the

bearings,

fill

only

about

1

/a

of

the

space

between

races.

Correct

grade

and

quantity

of

grease

is

essential

for

good

lubri-

cation

and

to

prevent

damage·

through

o

ve

rheating,

and

th

e

data

given

in

the

table

below

should,

ther

efore

,

be

adhered

to

:

Gr

e

ase

I

Quantity

I

Tubes

Holding

Order

No

.

approx.

FG

11

for

gearbox

31

/2

oz.

MZ

60-3/FG

11

23

/4

oz.

100 g 80 g

FG

3 for

bearings

MZ

60-1/FK 3 1

12

oz.

10 g

No

guarantee

claims

can

be

e nt

erta~

n

e

d

in

respect

of

any

d

am

-

age

due

to

insufficient

maintenanc

e

and

lubrication

.

7.

Dismantling

Machine

Only

by

expert

fitters.

a)

Motor

First

separate

saw

h

ea

d

from

motor

by

re

mo

vi

ng

th

e 3

screws

on

the

dri

ve

casing

. N

ext

pri

ze

ap

art

casing

(119)

and

take

.

off

the

4

screws

(118).

Take

off

flanged

cover

(115).

Take

off

governor

housing

(127),

unscrew

from

pi

.

ston

(111),

complete

governor,

consisting

of

flanged

sleeve

(128),

governor

spindle

(129),

hexagon

nut

(130),

governor

spring

(131),

dowel

pins

(140)

and

governor

weights

(132).

Next,

ta

ke

out

rear

b

ea

ring

plate

(124)

with

ball

bearing

(125),

circlip

(126)

an

d

rear

spacer

.

ring

(121).

Slides

(114)

w

ill

now

come

away

to

the

rear.

Notched

pins

(1

39)

remain

in

cy

lind

er (112).

Lightly

tap

front

(pinion)

end

of

piston

(111)

against

a

wooden

base

to

drive

piston

out

to

the

rear.

Take

off

from

the

front

bearing

plate

(122)

with

ball

bear

-

ing

(123),

front

side

plat

e (117)

and

front

spacer

ring

(120).

Tak

e

end

scr

,

ew

cap

(159)

and

nippl

e

(152)

off

th

e

valve,

taki

ng

care

not

to

lose

the

compression

springs

(158)

which

may

snap

away

if

not

held

. Balls (156

and

157)

are

now

loose

and

will

drop

out

of

valve

hou

sin

g (150).

Pull

rotar

y

sl

eeve

(151)

from

valv

e

housing,

then

un~crew

housing

from

oiler

(133).

Unscre

w

oiler

from

governor

housing

(127).

b)

Drive

and

Push

Rod

Take

off g

ea

rs

(39)

and

(38)

,

then

slac

ke

n

th

e 3

socket-head

screws

(53)

and

t

ake

off,

to

the

front

,

bevel

gear

(42)

w

ith

th

re

ad-

ed

ring

(50),

gear

(49),

bearing

sleeve

(46),

needle

bear

ing

(47),

ball

race

(44),

balls

(45)

and

needle

bearing

(43),

comple

te

wit

h

their

washers.

Next,

t

ake

off

gearbo

x

cover

(73).

Locating

guides

(75

and

75a)

can

easily

be

driven

out

f

rom

the

opposite

sid

e.

Drive

out

pins

(81),

then

tak

e off

bearing

t

runnion

pins

(77),

ball

bearing

(79),

sle

eves

(78)

and

guide

rollers

(76).

Now

p

ull

out

to

the

top

drive

arm

(6

9)

with

gate

(67).

Take

care

not

to

lose

fe

lt

washer

(82)

and

scraper

(82a).

Sliding

shoe

(66)

lies

loosel

y

in

gate

(67)

.

After

slackening

hexago

n

nut

(65),

the

crankpin

(63)

can

be

pushed

out

of

crankshaft

(54)

.

Nex

t

take

off

the

t

hree

countersunk

screws

(62)

and

pull

off

bearing

plate

(56)

with

shouldered

bearing

(55),

circlip

(57),

crankshaft

(54) b

evel

gear

(5

8)

and

thr

eaded

ring

(60).

To

dis-

mantle

these

parts

further,

take

off

ring

(60).

Take

care

not

to

lose

washers

(62a).

Assembly

Assemble

in

r

everse

s

eq

uenc

e,

taking

c

are

that

front

side

plate

(117)

and

rear

bea

ri

ng

plat

e (124)

are

correctly

locat

ed

in

rela-

tion

to th

e

cy

linde

r

(notched

pins

139

must

engage

in

their

mat-

i

ng

bores)

and

do

not

forget

felt

.w

asher

(82)

and

scraper

(82a).

Setting

Governor

The

secondary-air

speed

governor

works

on

the

centrifugal

force

principle.

Depending

on

the

setting

of

th

e

spring,

the

we

ights

will

swing

outwards

to

a

greater

or

less

er

degree.

To

set

the

gov

e

rnor

,

unscrew

it

from

piston

(111),

then

turn

the

two

hexagon

nuts

on

the

governor

spi

ndle

to

adjust

the

spring

force

as

follows:

unload

spring

('/2

to

1

turn

of

nut)

to

reduce

strok

ing

rate

tight

en

spring

(1

12

to

1

turn

in

opposite

dire

c

tion)

to

inc

r

ea

se

stroking

rate

At

a

service

pressure

of

87

lbs

./sq

. in.

(6

atm.),

the

unlo

ade

d

saw

blade

should

stroke

at

the

rate

of

360/min.

To

check,

take

off

screw

cap

(21)

at

top

of

gearbo

x,

and

then

measure

c

rank-

s

haft

(54)

r

evo

lu

t

ions,

which

equals

working

strokes,

at

t

he

c

rankshaft

end

now

e

xpos

ed.

Setting

Bevel

Gears

To

correct

bevel

gear

backlash,

slacken

the

three

socket-head

screws

(53),

then

turn

ecce

ntric

flanged

bush

(52)

to

set

correct

play;

finally

tight

en

the

screws

again

fir

mly.

(