Fein MSfv 649 User manual

(
MSfv 649
.To be handed to the workshop!
Operating instructions
for the double insulated and radio suppress' ed
Electric Angle Grinder
type MSfv 649 and MSfv 749 (42 Volts)
1. Technical Data
Typ e of c urrent: .-v A.C.
double insulated without earth wire
radio suppressed
Type
Speed Input
R.P.M.
Watts
I
MSfv 649
MSfv 749 (42 V)
12 000 750
I
2. Operation
Switch in "Off" position.
Output
H.P.
max. c/)
I
in . I
mm
I
0.65 5 125
Main vol~age must correspond to the operation voltage marked
on the rating plate.
To prevent the overbridging of the double insulation no addi-
tional marking plates and signs must be riveted or screwed . W e
recomm e nd the use of transfers.
Only use the grinding wheels with the admissible peripheral
speed. Pay attention to the national safe ty regulations . To adjust
wheel guard loosen the nuts.
3. Maintenance and Lubrication
Before carrying out any maintenance work pull out the plug.
After 100 duty hours clean air openings of the motor housing and
blow out motor with pneumatic air.
After 300 duty hours change gear grease. Only us e sp ecia l F ei n
gear grease FG 9. Do not mix with oth er greases therefore also
BE 249/e X 8. 68 Print ed in Germany
G rin ding Wheel
I
Admiss. peri-
Thre ad
Net weight
of
I
max . width
hole pheral speed
in.
I
mm in . I
mm
ft/s I m/s
spindle
lbs . I kg
I I
'I•
6
1/s
22 246 80 M 14
I
us e FG 9 for ball and ro ller bea rings in the gear head. Observe
the grease quantiti es .
No claims can be entertai ne d f or damages due to negligent main-
tenance and inadequate lubrication.
After 900 duty hours clean m ac hine thoroughl y . W a sh ball bea r-
ing s in clea n solvent and r egrea se them . Quantit y and qualit y of
Type of
I
Order
I
Contents
grease
Quantit y
reference
I
oz . g
For gears:
FG9
I
22.
I MZ 60-3/ FG 91 ab ou t z 2j3 1 80
For ball bearings:
FK 3 for ball
MZ 60-2/ FK3
abo ut 11/a 40
bearings parts
about one
37, 71 , 75
third of the
FG 9 for ball
space bet wee n
MZ 60-3/ FG 9
about 22/3 80
and ro ll er
inner and
be ar in gs parts
outer ring
3 1, 34, 48

~
~
<.n
-
g:
~
.t-..,
.t-..,
<.n
'-1
0)
C:>
R}
~
8l
~
(2
0
~
<.n
'-1
"v
'-1
~
~
-
<::::>
0)

Component Parts
Part Order
>.
Reference
a
Description
No
Part Order
>.
Description
No
Reference
a
1-12 MK 3-99-4 1
motor housing, assembled
73 A 2-48 1 clutch
1
MK3-99
1
motor housing
2, 3 EZ 12-52-1 2
carbon holder, assembled
4 SR3-M3,5x10 4
halfround fillister head screw
5 EZ 11-67 2 c
arbon brush
6
SR3-M4x6
2
halfround fillister head screw
74
A2-49
1
intermediate ring
75 LK 16-10 1 groove ball bearing
76 SR 33-M5x30 4
hexagon socket screw
77 SR 33-M5x35 4
hexagon socket screw
78 PT 5d-M5 8 securing plate
7
st a te ty pe
1
pole housing with winding,
a nd ten si on
assembled
101-
GH 4-67-18 1
handle assembled with switch
8
PT 37-13 2
securing plate
110
9
SR 1-M4x60 2
hexagon screw
101
GH 4-67 1
handle
10
JS 28-10 1 a
ir conducting ring
102 EZ 1-61 1
switch
11
PT 27-40 2
cover
12
SR 38-4,2x13 4
Parker screw
103
PT 31-21 1
cable clamping bridge
104 SR3-M3,5x12 2
fillister screw
25-29 state type 1
armature with winding, commutator
and tens ion
and fan, balanced
105 EZ 22-43 1
capacitor
105a JS 13-98 1
hose
29 FL 4-10 1
fan wheel
106 SR2-M3,5x10 2
cylindrical screw
107
DJ 1-52 1
felt ring
30-68
GH 6-60-1 1
gear housing, assembled
108
SA 5-47 1
switch le v er
30
GH 6-60 1
gear housing
31
LK 6a-14 1 needle cage
32
WB 7-20 1 drive shaft
33
DJ 2-6 1 joint
109 SR 3-M3x15 1
fillister screw
110
DJ 5-42 1
sealing plate
111
EZ 7-102-4 1
cable for 220 V
112 JS 13-94 1
protecting sleeve
34
LK6-40
1
needle bearing
35
RJ 30a-17x1 1 circlip
37
RJ 24-67 1 packing ring
38
RJ 1-158 1
ring
Parts for MSfv 749 (42 V)
39 LK 2-22 1
groove ball bearing
40
BU 1-226 1
sleeve
41
PT 16-63 1
plate
1-12
MK3-99-5
1
motor housing, assembled
2,3
EZ 12-53-1 2
carbon holder, assembled
5 EZ 11-72 2
carbon brush
42
SR 2b-M4x12
3
slotted cylindrical screw
111
EZ 6-152 1
cable
43
WB 6-86 1
drive shaft
44 ZR 14-116 1 bevel gear wheel
112
JS 13-95 1
protecting sleeve
45
BF 21-4x4x8 1
fitting key
46-50
PT 19-52-1 1
bearing plate, assembled
Accessories
51
SR 33-M5x18 3
hexagon socket scrE:w z 10-10 1 hexagon socket wrench
52
DJ 11-5x9 3 s
ealing ring
z 10-4 1
hexagon socket wrench
53
DJ 12-10 1
ring
z 13-22 1
peg spanner
54
RJ 24-63
packing ring
Z 7-SW 8 1
single end spanner
55
RJ 27i-15x 31 ,8 1
ring
MZ60-2 / FG9 1
tube of gear grease
56 BF 22-1 1 fitting key EZ 11-67 2 carbon brush only for MSfv 649
57 M 7-79 1
grindi . ng whe el flange
EZ 11-72 2
carbon brush only for MSfv 749
58
MS-84
1 grinding wheel flange
59 SR 7-55 3 s tud bolt
60
PT 5d-M5
3 securing plate
61
MR 1-M5 3 hexagon nut
62 M 10-105 1 whee! guard
63
MZ 37-45 1
plate
64 BF 4-5 2 ha
lfround groov ed pin
65 A 2-48 1 clutch
66 BF 23-21 1
fitting key
67
RJ 1-164 1
distance ring
68 BU 1-232 1
distance tube
70 LA 6-175 1 intermediate bearing
71
LK 16-43 1
groo ve ball be a ring
72 BF21-3x3x12 1 fitting ke y

grease see table, dismantling see paragraph 4, sections 5 and 6.
Clean electric parts only dry.
Replade carbon brushes at the latest when they have worn down
to 7 mm (1/4"). To replace them see paragraph 4, sections 1 and 2.
Only use Fein carbon brushes.
After fitting new brushes run tool unloaded for about 15 minutes.
Check connection cable at regular intervals . Replacement see
paragraph 4, section 3.
4. Dismantling of the Machine
The tool should only be taken apart by an expert!
1. Loosen screws (12). remove cover (11).
2. Clamp off carbon cable and draw carbon brushes (5) out of
holder.
3. Loosen screw (109), remove switch lever (108). Loosen screws
(76). push back handle . Clamp off cable at switch (102).
4. Loosen screws (77). remove gear housing (30) and interme-
diate ring (59), draw intermediate bearing (70) with armature
(25) out of motor housing (1). Remove clutch (73).
5. Remove grinding wheel. Unscrew nuts (61) and take off wheel
guard (62).
6.
Loosen screws (51) and remove bearing plate (46).
7.
Remove inner flange (57). fitting ke y (56) and ring (55), pull
drive shaft (43) out of bearing pla te (46).
8. Loosen plate (4 1) and pull out dri ve sha ft (32).
9. Draw insulation (10) out of motor ho us ing, loosen screws (9 ).
take out pole housing (7).
10. Loosen screws (4). take off carbo n ho l der.
Re-assemble in re ver se sequence.
Pay attention to packing rings (37, 54) for positi0ning the gea r.
When fitting bearing plate (46) ch eck th at the bevel gear wheels
mesh accurately. For this purpose turn drive sh aft (43) slightly;
only then fasten screws (51).
5. Repair and Spare Parts
We recommend our Fein Se rvice Stations to carry out all over-
haul and repair work qui ck ly an d expertly.
When ordering spare parts, please, state always the order refer-
ence or send in sample indicating the type of machine.
We draw your attention to the need to carry out a high vo ltage
test in accordance with your local regulations (or VDE regula-
tions 0740) befor e taking a tool into service after an y re p air car -
ried out by yo ur own staff.