Maintenance And Service; Maintenance And Cleaning - Bosch GST Professional 135 CE Notice Originale

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– Saw applying only low feed. Orbital action
and stroke ensure sufficient working process.
– Always guide the machine resting firmly
against the parallel guide 27 or an auxiliary
guide rail. Avoid lateral pressure on the han-
dle 4 to prevent tilting of the machine.
– While sawing, hold the machine with one
hand by the handle 4 and with the other hand
by the plastic cap 1.
Plunge Cutting (see figures I–J)
Plunge cuts may only be applied to soft
materials, such as wood, gypsum plaster
boards, etc.!
Use only short saw blades for plunge cutting.
Plunge cutting is possible only with the bevel
angle set at 0°.
Place the machine with the front edge of the base
plate 9 on to the workpiece without the saw
blade 15 touching the workpiece and switch on.
For machines with stroke rate control, select the
maximum stroke rate. Firmly hold the machine
against the workpiece and by tilting the machine,
slowly plunge the saw blade into the workpiece.
When the base plate 9 fully lays on the workpiece,
continue sawing along the desired cutting line.
Parallel Guide with Circle Cutter (Accessory)
For cuts using the parallel guide with circle cut-
ter 27 (accessory), the thickness of the material
must not exceed a maximum of 30 mm.
Parallel cuts (see figure K): Loosen the locking
screw 26 and slide the scale of the parallel guide
through the lead 25 in the base plate. Set the
desired cutting width as the scale value on the
inside edge of the base plate. Tighten the lock-
ing screw 26.
Circular cuts (see figure L): Set the locking
screw 26 to the other side of the parallel guide.
Slide the scale of the parallel guide through the
lead 25 in the base plate. Drill a hole in the work-
piece centered in the section to be sawn. Insert
the centering tip 28 through the inside opening
of the parallel guide and into the drilled hole.
Set the radius as the scale value on the inside
edge of the base plate. Tighten the locking
screw 26.
Bosch Power Tools
Coolant/Lubricant
When sawing metal, coolant/lubricant should be
applied alongside cutting line because of the
material heating up.

Maintenance and Service

Maintenance and Cleaning

Before any work on the power tool itself,
pull the mains plug.
For safe and proper working, always keep
the power tool and the ventilation slots
clean.
Clean the saw blade holder regularly. For this,
remove the saw blade from the machine and
lightly tap out the power tool on a level surface.
Heavy contamination of the power tool can lead
to malfunctions. Therefore, do not saw mate-
rials that produce a lot of dust from below or
overhead.
In extreme working conditions, conductive
dust can accumulate in the interior of the
power tool when working with metal. The
protective insulation of the power tool can
be degraded. The use of a stationary extrac-
tion system is recommended in such cases
as well as frequently blowing out the venti-
lation slots and installing a ground fault
circuit interrupter (GFCI).
Lubricate the guide roller 14 occasionally with a
drop of oil.
Check the guide roller 14 regularly. If worn, it
must be replaced through an authorized Bosch
after-sales service agent.
If the power tool should fail despite the care
taken in manufacturing and testing procedures,
repair should be carried out by an after-sales
service center for Bosch power tools.
In all correspondence and spare parts orders,
please always include the 10-digit article number
given on the type plate of the power tool.
1 609 929 N52 | (12.3.08)
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