Fein ASb 53-2 Manuale utente

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(

ASb

53-2

To

be

handed

to

the

workshop!

Operating

instruction

for

the

Impact

Wrench

type

ASb

53-2

(D.C.

and

A.

C.

single phase)

and

ASb

53-2K

(42

Volts)

Technical

data

Type

of

current

:

~

;

,....,

(D.C.

and

A.C.

single

phase)

For

screws

Square

Sp

eed

R.P.M

.

Ta

ps

Input

I

Ou

t-

Net

w

eigh

t

Ty

pe

standard

I

high

ten

sile

dri

ve

full

I

no

p. M.

put

up

to

up

to

AS

b 53-2 M 22

(1

/s") M 18 (3/4'')

A

Sb

53-2 K (42

Volts)

1. C

on

struction

Th

e t

oo

l

is

dri

ve

n

by

a ro

bus

t,

fan-

c

ooled

AC/DC

motor

m

ount

ed

in

an e

xtr

a

-r

igid

light

alloy

housing.

T

he

co

mp

ac

t

planetary

reduction

gearing

is

robust

and

silent

in

operation

.

Th

e

well-

balanced

percussion

mechanism

is

totally

enclosed

in

the

tool-

head

casing

and

is

easily

removed

.

The

tool

ho

ld

er co

mpli

es

w

ith

int

e

rn

a

ti

o

nal

s

tandards

and

has a 3

/

4"

(19

mm)

square

drive.

2.

Rev

ersing

the

drive

is

done by m

ea

ns of

th

e

reve

rs

in

g

ring

(1

4) mo

un

te

d

on

th

e

motor

housing.

Turn

reversing

ring

only

when

tool

is

switched

off,

otherwis

e

commutator

and

windings

will

be

damaged.

3.

Mode

of

operation

Th

e mot

or

dri

ves

th

e

to

ol

hold

er w

ith

to

ol a

tt

ac

hed

vi

a ge

arin

g,

d

rive

sp

indl

e a

nd

p

ercuss

i

on

m

ec

ha

nism.

The

di

rect

dri

ve

of

a

pp

ro

x. 1,100 r.p.m. is

cut

o

ut

as

so

on

as

th

e

screw

or

n

ut

h

as

be

en

roughly

run

down.

Once

the

motor

reaches

its

ra

t

ed

lo

ad,

the

percussion

m

ec

hanism

comes

into

operation

and

converts

the

driv

e

forc

e of

the

motor

-

which

continues

to

run

at

uniform

speed

-

int

o

an

int

e

rmittent

torqu

e

applied

at

the

rat

e of 1,500

r.p

.m., i.e. two

str

okes

for

each

revo

lu

t

ion

of

th

e dr

ive

s

pindl

e.

Sc

r

ews

a

nd

nuts

ar

e

sl

acke

ned

in

re

ve

rs

e

or

d

er:

fir

st

p

erc

us

si

on

st

rokes

,

follo

we

d by d

irect

d

ri

ve

.

Th

e t

oo

l is

ve

ry

ea

sy to

h

an

dl

e,

as

t

he

op

era

tor

ne

eds

not

e

xert

a

ny

r

es

tr

aining

tor

qu

e.

As

the

clutch

w

ill

always

disengag

e

as

soon

as

the

ra

te

d

load

is

attain

ed,

th

e mo

tor

cannot

be

ov

e

rl

o

ad

ed.

4.

Application

The

fu

ll

tightening

or

slackening

action

pro

v

ided

depends

on

th

e

tim

e

during

which

th

e pe

rcussion

mechani

sm

is

allowed

to

run.

Max.

tig

hte

nin

g

to

rq

ue is

th

e s

um

of

the to

rqu

e

ap

pli

ed by

each

stroke.

According

to

the

type

of

screwed

connection

the

max.

torque

will

generally

repre

se

nt

betw

e

en

80

and

150

single

torqu

e

st

ro

kes

,

whi

ch are

appli

ed

in

3

to

5

se

c

ond

s.

Av

ail

a

bl

e

m

ax.

torque

in

norm

al servi

ce

is

185

lbs.

ft. (26

kpm)

(see

di

a-

gr

am

m p.

4)

.

Th

ere

is no p

oi

nt

in

app

ly

in

g

th

e

tool

f

or

l

onge

r

th

an 5

sec

ond

s

sin

ce

the

torq

ue

w

ill

not

in

crease

any

furth

er,

w

hil

e the

tool

BE 176/e BX

11.

64

Pr

int

ed

in

German

y

i

n.

3f,,

l

oa

d

lo

ad

in

Wa

tt

s

lbs

I kg

- -

I I I

750 1400 I 1500

I

480 280

I

11.1 5.0

I I I

head

will

appreciably

heat.

O

ve

rhe

a

ting

w

ill

lead

to

incr

ea

sed

wea

r

of

all

percu

ss

ion

com

p

one

nts

and

excessive

lubri

can

t

con

-

s

ump

tio

n. Mor

eover,

such

ove

rh

eat

in

g w

ill

make

th

e

too

l

too

hot

to

handle

.

It

is

no

t

ad

v

isable

to u

se

att

ac

hments

ex

c

ee

di

ng 4.5

lbs

in

w

eigh

t, s

in

ce tqe t

ee

l

hol

d

er

se

ati

ng

is

not

design

ed

for

su

ch

loads.

I

Use

U n iv

er

sa

l

Gre~se

typ

13

Sst

1

! l

ns

•

..,a

o r;f

o~

""r

t'/.C::

'

-·.f

,•r , 5 1

5.

Maintenance

and

·

lubrication

··

-8

T

hi

s w

ill

depe

nd

on the d

ut

y.

Th

e fo

llo

w

ing

ins

tru

ctio

ns

are

for

co

nti

nuous

use

in

8-

hour

day

with

actual

t

ool

running

time

repr

es

en

ti

ng

2

0°

/o

of

total

duty

period

. The tool

hold

er (78)

should

be

lubricat

ed

ev

ery ot

her

day

by

me

ans

of

the

oil

er

(81

)

at

the

h

ea

d (79). U

se

mac

h

in

e

oil

or

thin-flo

wi

ng

grease

. T

he

pe

rcu

ssion

me

cha

nism

sho

uld

be

comple

te

ly

cl

ea

ned

of

old

grea

se

at l

east

eve

ry 300 h

ours

(

ap

prox. 6

weeks)

.

For

th

is

pu

r-

pose r

emove

th

e

thr

ee

sc

r

ews

(82),

th

en

take

off

the o

ut

er

bea

r-

ing

(7

9)

a

nd

li

.f

t the p

er

cu

ss

ion

m

ec

h

anism

ou

t of the

in

ter

-

media

te

bearing

without

taking

it

apart.

Then

app

ly

grease

libe

ra

ll

y

to

the

impact

fac

es of

parts

(7

6) a

nd

(78)

(3

0

to

40 g

or

about

1

to

P/2 oz.).

Ball

pi

vo

ts a

nd

plan

e

tar

y

ge

arin

gs

s

hould

also

be

gr

e

ase

d w

ith

FK

3.

FK

3 is a

high-gr

ade

qua

li

ty

gr

ease

a

nd

is

su

itable

for a

ll

percu

ssio

n m

ec

h

anism

parts

beca

use

of

its

go

od he

at

re

si

stan

ce

and

ad

he

ren

ce

. Ba

ll

b

ea

ri

ng

gr

ea

se p

ac

kin

gs

sh

ou

ld

also

be

re

pl

en

ishe

d

wit

h

FK

3.

Should

the

per

c

ussion

me

chan

i

sm

jam

or

run

i

rr

eg

ul

arl

y

in

spite

of

ad

e

qu

ate

lubrication

and

re

gul

ar

maint

ena

n

ce

, the

combin

ed

dri

ve

asse

mbly

sh

o

uld

be

t

ak

en

out

as

de

sc

ri

bed

und

er

par

a-

gr

a

ph

7, a

nd

th

e

indi

v

idu

al

pa

rts

should

be t

ested

.

Fr

e

qu

en

tl

y,

ho

wev

er,

un

eve

n

runni

ng

is cau

sed

by

wear

, i.e.

imp

act

dogs

which h

ave

b

eco

me

ra

di

use

d, or

re

l

axatio

n of

spr

in

g (75).

so

that sp

ring

p

ress

u

re

weake

ns. W

or

n d

ogs

can

be

regro

und.

Max.

tigh

t

en

i

ng

or

slackening

torque

can

onl

y

be

obtained

w

ith

a

tool

app

ly

ing

uniform

st

ro

k

es

along

the

axis

.

Carb

on

brushes

(17)

shoul

d be che

cked

at

inte

r

va

ls

of

ab

o

ut

6

w

eeks

and re

pl

ace

d

if

appr

eci

abl

y

wo

rn

d

ow

n (when

co

mpl

e-

tely

worn

d

ow

n th

ey

w

ill

be

7

mm

[1

/4"

]

long).

In

or

d

er

to re-

pl

ac

e th

em

take

off

ca

rb

on hold

er

caps

(1

6)

.

Rep

l

ace

bru

sh

es

in

ti

me

to

avo

id

dam

age

to

t

he

co

mmut

at

or

.

78

21

22

-

~lr/1£\

'~~~

-

~

333

68

61

60 55

54

81

78

76

74

72

63 82 83 I 59 I 62 1 56 1

50

I 53 5c 4

Sa

5b

8~~-

-,-

.

($!

28

9

-

~.

. -

13

. "

~

27

20

45

--

--

--

--

--

14c

74b

44

U1

~

f-'

II

/ I

'

~

\Y

..&

6.\\\n\l:'t..\ f I

'"""

,----

14a

43

42

\Jffr ii

i/

:~

~/

/\

\\~V\\\\\

,.. '

~

23

49

46

--------

30

__/

29

~

~

:::

6. Dismantling

1.

Remove

4

fillister

screws

(27),

then

take

off

motor

housing

cover

(23).

2.

Unscrew

carbon

holder

caps

(16)

and

remove

carbon

brushes

(17).

3.

Slacken

4

fillister

screws

(45)

and

(46),

then

take

off

handle

cover

(42).

4.

Unscrew

3

hexagon

socket

screws

(82)

and

remove

outer

bearing

(79)

(head).

Press

slightly

on

the

tool

holder

(78)

to

make

sure

that

it

will

remain

at

the

percussion

mechanism.

5.

Pull

the

percussion

piston

(76)

slightly

to

bring

the

percussion

assembly

straight

out

of

the

in

te

rmediate

bearing

(59).

6.

Clean

percussion

mechanism

of

old

grease

and,

if

n

ece

ssary,

disassemble

to

replace

worn

parts.

If

trouble

cannot

be

re-

removed,

return

the

entire

unit

to

our

service

centre

for

over-

haul.

7.

Remove

intermediate

bearing

(59)

and,

at

the

same

time,

draw

armature

(51)

out

of

motor

hous

.

ing

(1).

8.

Separate

intermediate

bearing

(59)

and

armature

(51).

Re-assemble

in

reverse

sequence

.

7.

Assembly

Instructions for

Percussion

Mechanism

(Designation:

Combined

Drive

Assembly)

The

parts

of

the

p

erc

ussion

m

ec

hanism

are

made

of

high-quality

steel,

so

that

they

do

not

we

ar

considerably

during

normal

duty

.

Should

disassembling

prove

necessary

after

a

long

period

of

application

it

will

be

easily

carried

out.

Fix

the

percussion

mechanism

at

the

drive

assembly

vertically

in

the

vice.

Then

the

"Seeger"

circlip

may

be

taken

out

of

the

drive

assembly

by

means

of

a

pair

of

angle

pincers

(Seeger-

Order-R

e

fer

enc

e J 31).

The

compression

spring

(75)

relaxes

and

draws

out

the

ball

pivot

(72)

together

with

the

lo

wer

retaining

ring

(7

3

).

Remove

the

percussion

pi

ston

(76),

the

int

ermed

iat

e

Parts List

..,

Order

>.

>-<0

Description

~z

Reference

0

I

1-50

MK

2-14-2* 1

motor

housing,

assembled

1

MK2-14

1

motor

housing

3

RJ

16-32 1

circlip

"Seeger"

4

state

typ

e 1

pole

hous

in

g,

assembled

and

voltage

with

winding

Sa SR 1-M5x60 2

hexagon

screw

5c

PT

37-8 2

protecting

plate

6-12

SA

1-10-1 1

contact

holder,

assembled

6

SA

1-10 1

contact

holder

7 BF17-124 2

bolt

8 BF17-125 4

guide

bolt

9

SA

3-7 4

contact

spring

10

PT

4-5 4

disc

11

FD

1-1

33 2

compression

spring

12

BF 5-1,5x8 2

cotter

pin

13

SR5-M4x15

4

countersunk

screw

14-22

RJ

21-13-2 1

reversing

ring,

assembled

14-14e

RJ

21-13-1 1

rev

e

rsing

ring,

assembled

14

RJ21-13

1

reversing

ring

14a BF 28-14 1

bolt

14b SR 21-44 1

sliding

button

14

c FD l-173 1

compression

spring

14d BF 9-41 1

bolt

14e FD 1-155 1

compress

i

on

spring

I I

•

state

type

and

vo

lta

ge

shaft

(71)

and

the

compression

ring

(70)

upwards.

Attention:

The

race

in

the

drive

assembly

must

be

filled

with

19

balls

(69)

of

1/s"

(3

mm)

(/).

rh

The

percussion

mechanism

may

also

be

taken

apart

by

means

of

a

pair

of

straight

"Seeger"-pincers

(Order

Reference

J 3).

When

doing

so,

first

draw

the

intermediate

shaft

(71)

out

of

the

percuss

ion

mechanism

. By

the

spring

tens

ion

the

percuss

i

on

piston

is

kept

in

its

centric

position.

Press

the

percussion

piston

sidewards

as

far

as

necessary

to

remove

the

"

Seeger"

circl

ip

with

a

pair

of

normal

p

incers

.

When

re-assembling

the

percus-

sion

mechanism

mak

e

sure

t

ha

t

the

"Seeger"

circlips

fit

com-

pletely

in

th

e

ir

groov

es.

..,

Order

.b

....

o

Description

~z

Reference

0

I I

15 EZ 12-35 2

carbon

holder

16 EZ 13-3 2

carbon

holder

cap

17 EZ 11-43 2

caroon

brush

18 SR 15-2 2

countersunk

screw

19-22

SA

2-35-1 2 contact

piece,

assembled

19

SA

2-35 4

contact

piece

20

SA3-8

2

con

ta

ct

bar

21

SR 24-22 4

thr

eaded

bolt

22

MR2-M3,5

4

he

xago

n

nut,

flat

23

PT

28-42 1

motor

housing

cover

27

SR3-M5x10

4 fillis

ter

screw

28

PT

5c-M5 4

protecting

plate

29 EZ 7-58 1

cable

with

safet

y

plug,

16

ft

(5

m)

long

30

JS

13-52 1

protecting

sl

eeve

31

PT

31-21 2

clampi

ng

bridge

32 SR3-M3,5x20 2 filli

ster

scr

ew

33

SR3-M4x8

1

earthing

screw

34 EZ 1-36a 1

switch

35 SR 8-26 1

screw

36

SA

5-31 1

switch

l

eve

r

37 BF 1-2x14 1

cy

li

nd

rical

pin

38 FD 1-149 1

comp

r

ess

ion

spring

39 BF 17-122 1

spring

hold

er

bolt

40 SR 23-32 1 gu

ide

bolt

41

JS

10-42 1 i

nsu

la

tion

I

~

1-<0

~z

42-44

42

43

44

45

46

49

50

51

52

53

54

55

56

57

58

59-61

59

62

63-77

63

64

65

66

67

68

69

70

71

72

73

Order

p:.

Description

Reference

a

~

Order

p:.

1-<

0

Descrip

t

ion

~z

Refer

e

nce

a

I I

PT

28-26-1 1

handle

cover,

assembled

74

RJ

16-19 2

"Seeger"

cir

clip

PT

28-26 1

handle

cover

75 FD 1-177 1

compress

ion s

pring

JS

15-7 1

rubber

stop

76 A 12-10 1

percussion

piston

MZ

35-28 1

"Fein"-plate

77

RJ

24-25

packing

ri

ng

(0.1

mm)

SR6-M4x15

2

fillister

countersunk

screw

78

A4-39

1

tool

hold

er

SR6-M4x30

2

fillister

countersunk

screw

MZ

35-28 1

"Fein"-plate

79-81

LA

8-104-1 1

outer

bearing,

assembled

PT9-4

1

end

cover

state

type

1

armature

with

winding

and

voltage

commutator

and

fan

EZ 10-56 1

commutator

FL 1-89 1

fan

79

LA

8-104 1

outer

be

ari

ng

81

MZ

31-1 1

oiler

82

SR33

-

M6x40

3 he

xago

n s

oc

ket

scr

ew

83

PT

6a

-

M6

3 s

pring

wa

sher

I

PT

8-128 1

disc

RJ

27i-12x28,1 1

Nilos

ring

Parts

for

low

tension

42

Volts

LK 1-8 1

ball

bearing

RJ

3-15 1

balancing

ring

LK 1-35 1

ball

bearing

1-50 I

MK

2-14-3 1

motor

housing,

assembled

14-22

RJ

21-14-2 1

reversing

ring,

assembled

14-14e

RJ

21-14-1 1

reversing

rin

g,

assembled

LA

6-146-1 1

intermediate

bearing,

assembled

14

RJ

21-14 1

rev

e

rsing

ri

ng

LA

6-146 1

interm

e

diate

be

aring

15 EZ 12-39 2 c

arbon

hold

er

RJ

16-12 1

circlip

"Se

ege

r"

16 EZ 13-5 2

carbon

ho

l

de

r

cap

A 10-8-1 1

combined

drive

assembly

A 10-8 1

drive

assembly

ZR

1-66x1 2

planetary

gear

wheel

LK 6-37 2

needle

cage

BF 16-54 2

bearing

pin

17 EZ 11-41 2

carbon

bru

sh

19-22

SA

2-53-1 2

contact

piece

,

assembled

19

SA

2-53 2

contact

piece

29 IEZ 6-108 1

cable

w

it

ho

ut

plug

52 EZ 10-62 1

commutator

RJ

15-62 2

snap

ring

Accessories

LK 1-39 1

groove

ball

bearing

LKS-3

19

ball

Z

85

e-24 1 he

xagon

att

achment

LK 10-24 1

compr

ess

ion

ring

BF 35-7 1 s

ec

uring

pin

WB

6-79 1

int

e

rm

e

di

ate s

haft

JS

19-4 1

rubb

er

ring

A 11-6 2

ball

pivot

MZ60-3

/

FK3

1

grease

tube

RJ

2-31 2

retaining

ring

z 10-8 1

socket

w

renc

h

Diagramm

for

the

destination

of

favorable

time

of

tightening

action

Use

Univer

sal

Gre

0

se

type

Sst

1

1

.-,

s

t~a

d

r.f

ot

rr->r

t·/

r) .:;-

~

;

o r

ea

sel

I High Tensile Screws

J~

,..

""""'""

..__

,.,..

~

""

~,..

Example

r--

I-

<.o

- -

--

r -

--

-

r---

r--

--

_..__

-

II

--

r-

~

·-

-

.-

~

I !

.....

,..

""

32

Standard

Screws

28

II

/J

.---

..--

~

j'

-

l

_I

I

-·

-

-·

-

·-

-

~

Itl

I_

~

·-

12K

I-'

;1~~

-

,,

.Vl

I / :

~

I I

I I

I

' time

of

tightening

-

action

-

0 5

10

75 (

seconds)

Hard

Base:

p.

ex

.

Screws

and

Nuts with

wash

er

s DIN 125

----

Elastic

Base:

p.

ex

.

motor

car

rims,

spring

washers,

stay

bolts,

extens

i

ons

Soft

Base: p. ex.

Wood-,

Lead-

or

Fibre

Washers,

Packings