Fein ASb 110 User manual

ASb 110
To be handed to the workshop!
Operating instruction
for the Impact Wrench type ASb 110 (three phase A. C.)
and ASb110 K (42 Volts)
1. Technical Data
Type of current: 3 ~ (A.C. three phase) 50 cycles
for screws up to Max. Torque I
Type
mm
I
in .
kpm llbs. ft I
ASb 110 } 13
/t6
30
50 360
ASb 110 K (42 V)
2. Construction
The percussion mechanism of the Impact Wrench A Sb 110 is
driven by a robust, fan-cooled AC-motor. All housing parts are
made of light alloy, the two side handles of high qualit y shock-
proof plastic material. Gearings and percussion mechanism are
mounted in the tool-head. The construction is well-balanced and
clear. The tool holder complies with intern at ional standards and
has a 1" (25,4 mm) square drive.
The impact wrench can be adjusted f or clockwise and anticlock-
wise rotation. The reversing switch is mounted in the left-hand
handle and must only be operated at standstill of the machine .
3.
Mode of Operation
The motor drives the tool holder with tool attached via gearing
and percussion mechanism. The direct drive is cut out as soon
as the screw or nut has been roughly run down. Once the motor
reaches its rated load, the percussion mechanism comes into
operation and converts the drive force of the motor - which
continues to run at uniform speed - into an intermittent torque
with two strokes for each revolut ion of the dri ve assembly.
Screws and nut s are slackened in reverse order: first percussion
strokes, followed by direct drive. The tool is easy to h an dle, as
the operator needs not exert any restraining torqu e. As th e
clutch w ill a lways disengage as soon as th e rat ed l oad is
attain ed, the motor cannot be overloaded.
4. Application
The full tightening or slackening action provided depends on the
time during which the percussion mechanism is allowed to run.
Max. tightening torque is the sum of the torques applied by each
stroke. According to the typ e of screwed connection th e max .
torq ue will generally re present between 60 and 120s in gle torqu e
strokes, which are appli ed in 3 to 5 seconds. Ava ilabl e max.
torque in normal servic e is 36 0 lbs.ft (50 kpm ) (see diagramm
p. 4). There is no point in app ly ing the tool for long er than 5
BE 163
/e X 8. 66 Printed in Germany
I
Speed R.P.M. Taps Input Output Net weight
full load
per min.
Watts Watts
lbs
I
kg
I ! I
780 1560 1100 740 27.8 12.5
seconds since the torque w ill not increase any further, while
the tool head will appreciabl y heat . Overheating will lead to
incr eased wear of all percussion componen ts and excessive
lubricant consumption .
It is not advisable to us e attachments exceed i ng 8.9 lbs in
weight, since the tool hold er seating is not de signed for such
loads.
Attention! Alwa ys secure attachments with securing pin and
rubber supporting ring , otherwise the square-dri ve is liable to
break .
5.
Maintenance and Lubrication
This w ill depend on the dut y. Th e following instructions are for
continuous us e in 8-hou r day with actual tool running time
representing 40 Ofo of total c!.uty period. The tool holder (5 4)
should be lubricat ed every o the r day by means of t he oiler (56)
at the outer bearing (55). (Use machine oil or thin-flowing grease .)
The percussion mechanism should be completely cleaned of old
grease at least every 300 hours (approx. 6 weeks). For this pur-
pose remove the 6 screws (60, 61). then take off theouterbearing
(55) and lift the percussion mechanism out of the intermediate
bearing without taking it apart. Then apply grease FK 3 liberall y
to the impact fac es of par ts (53) and (54). Ball pivots (48) and
planetary gearings (45) should also be greased w ith FK 3. Th e
total quantity of grease in t he percu ssion mechanism should be
ap prox. 150 g (5 oz.). FK 3 is a high - grade quali ty grease and is
suitable for all percussion mechanism parts because of its good
heat resistance. Ball bearing grease packing s should also be
replenish ed with FK 3.
If, after long duty, the impact dogs of percussion piston (53) and
tool holder (54) are worn they must be reground so that the
machine reaches its full tightening torque. Damaged percussion
me chanisms should be dismantled according to the instru ctions
of page 4. We r ec ommend our Fein Servic e Stations to carr y
out a ll repair work of this kind quickly and expe rtly .
lJJ~ ll);Niversat Grease type Sst 1
llhetead ot oto-,er types o.t grease I

r-
,
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55 56
he ad offset through 90°
40_7 ___ _
32 --- -
(> r'(?
I I ! : I
28 1 'i 2s
1
. 26 2 ~ 24
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59 61 62 58 --
38- - ·.
Impact Wrench ASb 110 37-
-- -- --jj.lr=flr
34 33 35 36
I I I
I
3
- ~
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22 21 20 19 23
39
\19
7:
S ect ion A-B
11 -·-
/ - 14
/ · 15 <:::>
"'
'-7-
~ 18
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1
31 t:=
30 -
12 1J, offset through 90 °
·· --- 40
=t:.=-~ ~ -- -- 41

Component Parts
0
z
Order
....,
Description
....
Reference
;:.,
"'
....,
p.. 0
0
z
Order
....,
Description
....
Reference
;:.,
"' a
p..
1-18 MK 3-88-1 1
motor housing, assembled 40 GH 4-65 1 u
pper handle part
1 MK3-88
1
motor housing
41
SR 3-M4x25 2 fillister
screw
3
state t ype
1
stator assembled with winding
and voltage
4
SR 12-40 2
hexagon screw
42-44 EZ 1-55-1 1
re versi ng switch, assembled
42 EZ 1-55 1
reversing switch
5
PT 37-11 2
securing plate
43 EZ 19-41 1
connecting cable
6 BF 20-24 2
pressure piece
44 EZ 19-42 1
con n ecting cable
7
SR 14-31 4
fillister screw
8
PT 5-M6
4 el
astic lock washer
9
JS 19-12 2
cable sleeve
10
SR 3-M4x8
1
fillister screw for earthing
11
MZ 37-29 1
earth screw
12
BU 10-30 1
threaded sleeve
13
SR 27-7 1
ring screw
14
PT 11-33 1
cover plate
15
RJ 24-8
washers as required
16
RJ 30i- 30x 1,2 1
circlip Seeger
17
PT 35-38 4
protecting cover
18
SR6k-M5x12
1
fillister countersunk screw
19-21
WL 1-50-2 1
rotor with fan
45-53 A 10-7-1 1 drive
assembly
45 A 10-7 1
dr ive assembl y
46 LK 1-50 1
groove ball bearing
47 WB 6-74 1
intermediate s haft
48 A 11-4 2
ball pivot
49 A 11-5 4
suppo rting bolt
50 LK 15-2 1
ball cage
51 LK 10-18 1
pressure bearing ring
52 FDl-174
1 pressure spring
53 A 12-9 1 percussion piston
54 A4-34
1 too l holder
55, 56 LA 9-52-1 ! 1 outer
bearing, assembled
22 FL 1-110 1
fan wheel
56
MZ3 1-1
1 oiler
23 LK 16-1 1 groove ball bearing
57 SR33 -M5 x25
8 hexagon socket scre w
24-28
LA 6-138-1 1
intermedia te bearing, assemb l ed
58
SR33-M6x25
3
hexagon socket screw
24
LA 6-138 1
intermediate bearing
59
PT 6a-6 9 lock
was h er
25 LK 1-36 1
groove ball bearing
26
RJ 27a-35x19,5 2
Nilos ring
27
PT 16-53 1
bearing plate
28
SR2-M4x18 3
cylindrical screw
60
SR33-M6x55
3
hexagon socket sc re w
61 SR33-M6x35 I 3
hexagon socket scre w
62
RJ 24-50 i wa sher
I
29-36
GH 4-64-3 1
handle, assembled with switch
Accessories
and cable
z85 f-27 1 hexago n socket to ol
29-35
GH 4-64-2 1
handle, assembled with switch
BF 35-9 1 securing pin
29-31
GH 4-64-1 1
handle, assembled
29
GH 4-64 1
lower handle part
30
GH 4-65 1
upper handle part
31
SR3-M4x25
2
fillister screw
JS 19-5 1
rubber ring
MZ60 -3/ FG4 1 tube of grease
z10 -7 1 socke t spanner
z10-8 1 socke t spanner
32 EZ 1-48 1
switch, 3 po l es
I
33
PT 31-21 1
cab le clamping bridge
34 SR3-M3,5x15 2
fillister countersunk screw
Accessories on demand
35
JS 13-52 1
cable protecting sleeve
36 EZ 6-99 1
cable without plug, 16ft
I MZ 26-14-2
1
1 I
vertical suspension de vice
37-44
GH 4-66-2 1
handle, assembled with
reversing switch
37 -41
GH 4-66-1 1
handle, assemb l ed
37
GH4-66 1
lower handle part
38
JS 28 -2 1
ins ert
39
JS 16-39 1
plug
Connecting plan of the machine

6. Dismantling of the machine
a) Uns c re w six screws (60) and (61). then t ake off outer bearing
(55).
b)
Dra ~ out pe rcu ss ion m ec hanism to the fr ont.
c) Unscrew thre e screws (58) and remove in t er m ed iat e bearing
(24) with rot or (1 9-23).
d)
Open handle and clamp off connecting cables of the sw itche s.
Distribution of connections see connecting plan page 3.
e)
Unscrew axial fixing screws (4) and radi al screws (7). Pu sh
stator (3) out of motor housing.
\
Fig. 1
7. Dismantling of the percussion me c hanism
a) Turn percuss ion p iston (53) un til ball pi v ot (4 8) is paralle l
to axis.
b) Fix percussion mec hanism in the vic e and pre ss spring (5 2)
until it stops . The upper ball pivo t slides in the percussion
m ec hanism ou t of its sea ting into the bo re Cb 24 . (See fig. 1).
Her
eby th e transve r se s up por ting bolt (49) in the percussion
pist on is mad e access ibl e and ma y be pus hed o ut .
Remov e s econd su ppo r ting bo lt in perc ussion pi sto n in the
same mann er.
c) Release per cussion mechanism . Remov e percu ssion pis t on
(53). pres s ur e spr ing (52). ring (5 1), needle cage (50) a nd
intermediate sh aft (47).
d) Put dri ve assemb ly (4 5) w ith ball pi vo ts (48) in a ve r tica l
position. Incline ba ll pivots to cen t er ax is. Push suppor ti ng
bolts (4 9) ou t of dr i ve asse mbl y. See fig. 2.
Fig. 2
Re-assemble in re v erse sequence . Make sure that su pporting
bolts fit co rrectl y in t heir original posi t ion. The ball cage serves
as counterbearing of the ba ll pivo t. The cylindrical recess is
required for fre e move me nt of th e ball pivot shank .
The ball pivots are correctl y fitted when the r ecess at the fr ont
part is para ll el to th e m ac hin e ax is.
Diagram for the destination of favorable time of tightening action
Standard
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~
Screws
50
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Example
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II v
Ol
c I
~
c 30
2
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Ol
f.=
v
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II
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~.-~oo··
20
'i
l'
/
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10
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0 1 2 3 4 5 6 7 8 9 w
Hard ba s e:
El as tic base:
Soft base:
e. g. screws and nuts with was he rs DIN 125
e.
g. lock was her s, stay bolts, extensions
e. g. wood , lead or fiber washers, packings
High-tensile screws
Striking
ti me
in seconds
(