Fein MSho 852 K User manual

MSho 852
To be handed to the workshop
Operating instructions
for the High Frequency Hand Grinder
Type MSho
852 and MSho 852 K {42 Volts)
1. Technical Data
Type of current: 3 phase 200, 300 cycles
Frequency Speed Input
Type
cycles
R.P.M.
Watts
MSho 852 200 12000 1100
MSho852K 300 18000 1700
1)
Wheel 80 m/s (263 ft/s)
2. Construction
This grinder is a surface cooled electric tool with high overloading
resistance and of sturdy construction. The tool offers the
advantage of total enclosure, eliminating wear caused by ingress
of grinding dust. The switch is built into the dustproof handle .
For safety reasons the machine must be earthed (according to
VDE regulation 0100 § 15) using the designed earth wire, one
end fastened to the connection plate of the switch, the other end
connected to the earth screw of the plug.
Types MSho 852 K must not be earthed .
3.
Connection and Operation
Operating voltage and frequency must correspond to the voltage
and frequency marked on the rating plate. Provide overload
protection to match the rated current.
. For good installation of high frequency, we draw your attention
to our installation instructions for High Frequency Transformers
(BE 22) .
Switch must be in the "Off" position when connecting.
Check that tool rotates in direction marked by arrow on the
machine otherwise the flange may become loose . On putting
BE 296/e X 2. 73 Print ed in German y
Grinding wheel
Net weight
Output
max. rp
I
Width
I
in. I
mm
in. I mm
lbs kg
---
810 5 125 1) 3 /4f9h6
20/14 11.6 5.2
1250 3 3/s 85 1) 11
/4/ 11/s 32/28 11.6 5.2
tool into service, switch on briefly only to check rotation . If it
does not follow arrow, reverse by changing over two leads in
the plug.
Do not exceed the dimensions of grinding wheels stipulated.
4. Maintenance and lubrication
The grinder requires proper maintenance. Before carrying out
any maintenance work always remember to pull out the plug.
In order to prevent accidents check cable at regular intervals.
To replace cable see paragraph 5 (3).
After fitting a new cable check all conductors as well as earth
wire.
Every 900 duty hours the grinder should be completely dis-
mantled as described under paragraph 5 and all parts must be
thoroughly cleaned.
Please be sure that all electric parts are only cleaned dry.
The gear needs particularly thorough lubrication . Rinse ball
bearings in clean solvent, then pack them with fresh grease.

70 71 72 73
25 24 23 22 21 20
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29
30
37 36 35 34 33
74
75
55 54 53 50 51 52
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66 67 60 67 62 63
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99 98 97 96 95 94
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Component Parts
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Descripti on
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Reference
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Order
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Refe rence
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1-4
MK 3-98-1 1) 1
motor housing, assembled
58 PT 5d-M5
1
MK 3-98 1
motor housing
59 SR 3-M4x6
3
state type,
frequency and · 1
stator assembled with winding 60 PT 27-36
voltage
61 JS 8-56
4
SR 11-M5x10 2
threaded pin
62 SR33-M5x35
6-9
WL 2-39-1 1
rotor
63 PT 5d-M5
20-32
LA 10-38-1 1
grinding spindle bearing
64 SR 33-M5x20
assembled
65
PT 5d-M5
20
LA 10-38 1
grinding spindle bearing
70
M 10-107-1
24 LK 17-5 2
grooved ball bearing
70 M 10-108-1
25
PT 11-53 1
disc
a 90
EZ 6-130
26
DJ 1-56 1
felt ring
a
90 EZ 6-131
27
RJ 13-34 1
packing ring
a 91
JS 13-95
28
WB 6-95 1
driving shaft
29 BF 23-27 1
fitting key
92-101
GH 4-67-9
30 LK 16-22 1
grooved ball bearing
b 92
GH 4-67
31
I BF 23-21 1
fitting key
a 93 EZ 1-64
32 A 2-48 1
clutch
94
PT 31-21
33 M 7-96 1
flange, 200 Hz 95
SR3-M3,5x15
33 M 7-97 1
flange, 300 Hz
96
SR2-M3,5x10
34 BU 1-174 1 intermediate sleeve
97
DJ 1-52
35
JS 2-40 2
disc, 200Hz
98
SA 5-47
35
JS 2-19 2 disc, 300Hz
99
SR 3-M3x15
36 M 8-105
1 flange, 200 Hz
100 EZ 19-50
36 M 8-106 1
flange, 300 Hz
101
DJ 5-42
37
JS 17-14 1
wood bushing
37 JS 17-23 1 wood bushing
I
40 LA 6-164 1
intermediate bearing
41
LK 16-12 1
grooved ball bearing
42
RJ 27a-28x15 1
Nilos ring
43
RJ 18-35 1
threaded race
6-9
WL 2-39-2
44
BF 21 -3x3 x12
1
fitting key
a 90 EZ 6
-1 32
45 A 2-48 1
clutch
92-101
GH 4-67-12
46 A 2-49 1 I
intermediate ring
without
100
47
LK 16-5 1
grooved ball bearing
48
BF 21-3x3 x8 1
fitting key
93 EZ 1-63
a
49 FL 1-85 1 fan
51
PT 2-27 1 disc
52
MR 4-13 1 h exa gon stee l nut
53
DJ 5-14 1
rubber gasket
'
z 10-10
54
BU 1-218 1
pipe sleeve
MZ 18-5
55
SR 3-M5 x8 1
fillister head screw
z 13-22
56
GH 7-47 1
fan housing
z 13-7
57
SR33 - M5x35 2
hexagon socket screw
I
1)
When ordering, state voltage and frequency.
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Description
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a
2
securing plate
1 fillister screw, 48-265 V
1 cable cover
1
ins ulating plate
4
hexagon socket scr ew
4
securing disc
6
hexagon socket screw
6
securing disc
1 safety guard, assembled 200 Hz
1 sa fet y guard; assembled 300 Hz
1 cab le 111-265 V
1 cable 48-110 V
1
cable protecting sleeve
1 handle assembled with switch
1
handle
I 1
switch
I
1
cable clamping b ridg e
2
fillister head screw
2 cylindrical screw
1 felt ring
1 control lever
1 fillister screw
1 connection cable
1 sealing plate
42 Volts (MSho 852K)
1 ro to r
1
cable
1
handle, assembled with switch
1 switch
Accessories
1 hexagon socket wrench
1
ho lding pin
1 peg spanner, 200 Hz
1
pin spanner, 300 Hz

The space between inner and outer ring is to be one third
filled with grease in order that the bearings do not overheat.
We resommend our special ball bearing grease Sst 1.
No claims can be entertained for damage due to negligent
maintenance and inadequate lubrication.
5. Dismantling
The marhine should only be taken apart by an expert.
Dismantling sequence:
1. Loosen screws (64) at grinding spindle bearing (20) and take
off bearing. Draw out clutch (32) of the driv i ng shaft (28) and
take away fitting key (31).
2.
Unscrew flange (36), remove hand grinder (37), disc (35),
adapter (34). flange (33) and take away fitting key (29) . Pull
driving shaft (28) out of bearing (20).
3.
Remove control lever (98) after unscrewing the screw (99).
Take off screws (62) and (96) and slide back handle (92).
Clamp off cable (90) at switch (93) and pull out after removing
cable clamping bridge (94).
4.
Pull out cable cover (60). unscrew screws (57) and remove
fan housing (56).
5.
Unscrew hexagon nut (52), draw ou t disc (51) and ventilation
fan (49) and take out fitting key (48) .
6. Remove screws (64) and pull intermediate bearing (40) with
rotor (6) out of motor housing (1).
Reassemble in reverse sequen ce.
6. Repair and Spare Parts
We recommend our Fein Service Stations to carry out all over-
haul and repair work quickly and ex pertl y.
We deliver special tools for the repairs:
ZSo 91-1 Forcing device to dismantle the clutch (32, 45) in
relation with universal puller.
ZSo 22-5-1 Special spanner for the packi ng ring (27).
When ordering spare parts, please, quote Order Refer e nce or
send in sample part , stating the ty pe of the machine .
We draw your attention to the need to carry out a high voltage
test in accordance with your local regulations (or VDE regu-
lation 0740) before taking a tool into service after any repair
carried out by your own staff.
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