Fein MSh 648 Operating Instructions

MSh 648
To be handed to the workshop
Operating instructions for the double insulated
and radio suppressed portable Hand Grinder
type MSh 648 and type MSh 748 (42 Volts)
1. Technical Data
Type of current:,...,
Double insulation without earth wire in accordance with VDE 0740.
Radio suppressed in accordance with VDE 0875.
Speed Collet
Ty pe
Input
RPM
c/)
mm
Watts
MSh 648
I
MSh 748 23000 8*) 500
(42V)
*) On demand with 6 mm or
1
/ 4"
collet.
2. Operation
Switch in "Off" position.
Main voltage must correspond to the operating voltage marked
on the rating plate.
To prevent the overbridging of the insulation no additional
marking plates and signs must be riveted or screwed. We re-
commend the use of transfers.
Grinding wheels: Only use grinding wheels with the admissible
peripheral speed. In any case pay attention to your local safety
regulations on the use of grinding wheels.
3. Maintenance and lubrication
Pull out the plug before carrying out any maintenance work.
After 100 working hours clean air openings of the motor hous-
ing. Blow out motor with dry pneumatic air.
After 900 working hours clean machine thoroughly. Rinse ball
bearings in clean solvent and pack with fresh grease for ball
bearings FK 3 (tube with ca. 1
1
h
oz [40 g), order reference MZ
60-2/FK 3). Fill space between inner and outer ring only one
third with grease. Dismantling see paragraph 4.
BE 228/e x
3. 70
Capacity Grinding wheel Net weight
Output
I
I
i
max.
c/)
mm width kg lbs
Watts
63 for 80 m/s
10
300 36 for 45 m/s
50
3.1
6.9
25 for 30 m/s
50
Clean electric parts only dry.
Replace carbon brushes when they have worn down to 7 mm
(0.28 in) . To replace brushes see paragraph 4, sections 1 and 2.
Only use "Fein" carbon brushes.
After fitting new brushes, run tool unloaded for about 15 min.
Check cable at regular intervals. To exchange cable see para-
graph 4, section 3.
No claims can be entertained for damage due to negligent main-
tenance and lubrication.
4. Dismantling of the machine
The tool should only be taken apart by an expert!
1. Unscrew screws (12), remove cover (11) .
2. Clamp off carbon cable and pull carbon brushes (5) out of
holder.
3. Unscrew screw (109), remove switch lever (108) . Unscrew
screws (106, 63), push back handle. Clamp off cable from
switch (102).