3.2
tools
Use only tools and adapters recommended by the
manufacturer. Observe the tool manufacturers in-
structions! Do not use cutting discs for side-grind-
ing. Only tools with a maximum diameter of 125 mm may
be used. Use only grinding tools and chucks whose ad-
missible maximum speed is equal to or higher than the
no-load speed of the machine. Use only clean tools!
3.2.1 c
hAnging
/f
itting
the
tool
Clean backing flange, clamping nut and backing
flange surface of the tool.
Place backing flange on the spindle with the longitudinal
groove down.
Fit the grinding tool. The raised centering rim of the back-
ing flange must engage exactly in the bore of the tool.
Tighten down clamping nut with two-hole nut drive.
The grinding tool must run true. Do not use grind-
ing tools which have gotten out of round. Trial run!
Check grinding tools before use. The grinding tool
must be correctly mounted and must rotate freely. Per-
form a trial run a minimum over a period of 30 seconds
without load. Do not used grinding tools which are dam-
aged, which do not run true or which vibrate!
3.3 w
orKing
instructions
To run the machine down release the valve lever!
On failure of the compressed air release the valve
lever! Place or fasten the tool securely on the
working surface. To achieve an optimum grinding result,
move grinding wheel uniformly back and forth with light
pressure. Excessive pressure lessens the working capa-
bility of the machine, as well as the life of the grinding
wheel.
Cutting procedures:
During cutting, the cutting slit should have a constant or
increasing width. If the cutting disc jams, turn off the ma-
chine, carefully dislodge cutting disc and check for dam-
age and correct fastening to the machine.
4. S
ervIce
/m
aIntenance
4.1 P
reVentiVe
mAintenAnce
Without a tool clamped in check no-load speed
periodically and after each maintenance. Even if
the machine still operates perfectly, the motor
should be removed, cleaned and the four slides checked
for wear by a specialist after approx. 300 to 400 operating
hours.
4.1.1 r
ePlAcement
of
the
exhAust
Air
hose
Detach the exhaust air hose from the swivel ring, and re-
place it.
18
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