Bosch 1775E Manuale di istruzioni per l'uso e la sicurezza - Pagina 10
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BM 3609929818 3/03
3/10/03
This tool is intended to be used as a
tuckpointer. It is used to remove deteriorating
mortar joints so that they can be replaced
with new mortar.
For best tuckpointing results use 1/4" thick
dry diamond segmented wheel.
Use the adjustable depth stop to obtain the
desired depth of mortar removal. The
tuckpointer is held in the upside position so
that the user can easily see the joint during
operation.
Allow the tool to reach full speed before
applying it to the workpiece surface.
Hold the tool with both hands and apply the
abrasive wheel to the mortar surface.
If this tuckpointer is being used as a small
abrasive cutoff machine, the tool is only
approved for cutting or scoring masonry
products like:
Concrete, cinder blocks, bricks, and stone.
ABRASIVE WHEELS
Use type 1 silicon carbide wheels for cutting
masonry.
Use dry diamond wheels for cutting
concrete. Dry diamond wheel stay cooler,
clogs less and last longer.
1 Before running a cut-off machine, inspect
the cutting wheel for chips or cracks.
8:42 AM
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Replace bad wheels immediately. New
wheels should be run in at no load or at least
a minute in direction away from the
presence of other people. Imperfect wheels
will normally break apart during this time.
2. An abrasive cut-off machine must NEVER
be operated without the attached guard
secured in place. The guard should be
rotated into the position where maximum
protection is provided for the operator from
sparks and wheel periphery.
3. Proper apparel for operating the tool
includes eye protection, leather gloves, dust
mask and a shop apron.
4. With the tool in the "OFF" position,
become familiar with handling the tool.
Control the head of the tool with the side
handle. Control the cutting edge of the
wheel with the switch handle. Always use
both hands when operating the tool.
5. Never drop the tool. Set the tool down
gently, but never on the wheel.
6. CUTTING CONCRETE will throw large
amounts of dust into the surrounding
area.
Protective dust masks are strongly
recommended for breathing protection for
the operator and other nearby workers.
7. Due to the size and weight of the cut-off
machine it is not recommended to be used
overhead or in any position that would not
allow proper control. Ladders or scaffolding
are not considered solid support structures.
8. Avoid overloading tool. Do not allow the
wheel to bind or stall. Many cuts, especially
into solid concrete, require successive
passes. Do not expose any more abrasive
wheel than necessary to cut with normal
amount of pressure applied to tool. Begin
cutting from the edge of the material,
starting with about 1" wheel exposed. Do
not force the tool; load it normally.
Depending on material hardness and
density, make successively deeper passes
until cut is complete.
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