Assembly And Operation; Applications; Prior To Operation - Metabo HPT G 12SQ Instructions De Sécurité Et Mode D'emploi

English

APPLICATIONS

○ Removal of casting fi n and fi nishing of various type of
steel, bronze and aluminum materials and castings.
○ Grinding of welded sections or sections cut by means
of an acetylene torch.
○ Grinding of synthetic resins, slate, brick, marble.
WARNING
To avoid the risk of serious injury, NEVER use
this grinder with cup wheels and/or saw blades.

PRIOR TO OPERATION

1. Power source
Ensure that the power source to be utilized conforms
to the power source requirements specifi ed on the
product nameplate.
2. Power switch
Ensure that the switch is in the OFF position. If the
plug is connected to a receptacle while the switch is
in the ON position, the power tool will start operating
immediately and can cause serious injury.
3. Extension cord
When the work area is far away from the power
source, use an extension cord of suffi cient thickness
and rated capacity. The extension cord should be
kept as short as practicable.
WARNING
Damaged cord must be replaced
or repaired.
4. Check the receptacle
If the receptacle only loosely accepts the plug, the
receptacle must be repaired. Contact a licensed
electrician to make appropriate repairs.
If such a faulty receptacle is used, it may cause
overheating, resulting in a serious hazard.
5. Check your work environment
Ensure the following before operation;
○ No fl ammable gas, liquid, or object at worksite.
○ When grinding thin steel sheet it may cause a high
booming noise.
To avoid such noise, place a rubber mat under the
workpiece.
○ Clear the area of children or unauthorized
personnel.
6. Mounting the wheel guard
Be sure to mount the wheel guard at an angle that will
protect the operator's body from injury by a broken
wheel piece.
10

ASSEMBLY AND OPERATION

[Installing Wheel Guard]
○ Slightly loosen the screw on the wheel guard.
○ Install the wheel guard to the packing gland, turn
it to the angle suitable for operation, and make
adjustment.
○ After the adjustment, ensure that the screw is
securely tightened on the wheel guard in order to
fi x it completely.
Wheel guard
WARNING
If the wheel guard is not attached properly, a
broken wheel may result in and cause death or
serious injury.
7. Thoroughly check that the depressed center wheel
is free of cracks, splits and other abnomalities before
mounting. Make sure it is fi rmly clamped and has
been properly mounted. Refer to page 11 of this
manual for Depressed Center Wheel Assembly and
Disassembly
8. Test the grinder before using.
Before actually beginning the grinding work, test the
grinder by fi rst clearing the area of all other personnel.
Make sure the wheel guard is in place and that you
are wearing eye protection. Turn the grinder "on", and
make sure the grinder runs smoothly and shows no
abnormalities.
Duration of the trial run is as follows:
When depressed center wheel is replaced
................................................ 3 minutes or more
When starting daily work
.................................................. 1 minute or more
Packing gland
Fig. 2