Practical Advice; Maintenance And Servicing; Maintenance And Cleaning; After-Sales Service And Advice On Using Products - Bosch GSA 120 Professional Notice Originale

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Practical advice

Pull the plug out of the socket before carrying out any
u
work on the power tool.
Switch the power tool off immediately if the saw blade
u
becomes blocked.
Tips
When sawing lightweight materials, take into account
u
the statutory provisions and recommendations of the
material manufacturers.
Before sawing into wood, chipboard, building materials,
etc., check for any foreign objects such as nails, screws, etc.
and use a suitable saw blade.
Switch on the power tool and guide it towards the workpiece
you wish to work on. Place the base plate (2) on the surface
of the workpiece and saw through the material applying even
pressure and feed. Switch the power tool off once you have
finished your work.
Switch the power tool off immediately if the saw blade jams.
Widen the sawing gap slightly with a suitable tool and pull
the power tool out.
Swivelling base plate (see figure B)
Thanks to its mobility, the base plate (2) adopts the required
angle position of the surface.
Plunge cutting (see figures D–E)
Plunge cuts may only be applied to soft materials,
u
such as wood, gypsum board, etc. Do not plunge cut
metal materials.
For plunge cutting, use only short saw blades.
Place the power tool so that the edge of the base plate (2)
rests on the workpiece, without the saw blade (1) touching
the workpiece, and switch it on. When using power tools
with stroke rate control, select the maximum stroke rate.
Press the power tool firmly against the workpiece and allow
the saw blade to plunge slowly into the workpiece.
As soon as the base plate (2) rests fully on the workpiece,
continue sawing along the required cutting line.
For particular jobs, the saw blade (1) can also be fitted after
being turned 180° in order to operate the power tool the
other way around.
Flush sawing (see figure C)
Protruding components such as water pipes, for example,
can be cut directly at the wall using elastic bi-metal saw
blades.
Ensure that the saw blade is always longer than the
u
diameter of the workpiece. There is a risk of kickback.
Place the saw blade directly against the wall and bend it
slightly by applying lateral pressure to the power tool until
the base plate is flush with the wall. Switch on the power tool
and saw through the workpiece applying consistent lateral
pressure.
Coolant/lubricant
As the material heats up along the cutting line when cutting
metal, you should apply coolant or lubricant.
1 609 92A 3ZK | (25.09.2018)

Maintenance and Servicing

Maintenance and cleaning

Pull the plug out of the socket before carrying out any
u
work on the power tool.
To ensure safe and efficient operation, always keep
u
the power tool and the ventilation slots clean.
Clean the saw blade receptacle, preferably with compressed
air or with a soft brush. To do so, remove the saw blade from
the power tool. Keep the saw blade receptacle operational
by using suitable lubricants.
If the power tool becomes very dirty, this can lead to serious
faults. For this reason, do not cut materials which generate
large quantities of dust from below or overhead.
In order to avoid safety hazards, if the power supply cord
needs to be replaced, this must be done by Bosch or by a
customer service centre that is authorised to repair Bosch
power tools.
Replacing the carbon brushes (see figure F)
Check the length of the carbon brushes around every 2–3
months and replace both carbon brushes if required.
Never replace only a single carbon brush.
Note: Only use carbon brushes supplied by Bosch and inten-
ded specifically for your product.
– Unscrew the caps (4) using a suitable screwdriver.
– Replace the spring-loaded carbon brushes (10) and
screw the caps back on.
After-sales Service and Advice on Using
Products
Our after-sales service can answer questions concerning
product maintenance and repair, as well as spare parts. You
can find exploded drawings and information on spare parts
at: www.bosch-pt.com
The Bosch product use advice team will be happy to help you
with any questions about our products and their accessor-
ies.
www.powertool-portal.de, the internet portal for trades-
people and DIY enthusiasts.
In all correspondence and spare parts orders, please always
include the 10‑digit article number given on the type plate of
the product.
Cambodia
Robert Bosch (Cambodia) Co., Ltd
Unit 8BC, GT Tower, 08th Floor, Street 169,
Czechoslovakia Blvd, Sangkat Veal Vong
Khan 7 Makara, Phnom Penh
VAT TIN: 100 169 511
Tel.: +855 23 900 685
Tel.: +855 23 900 660
www.bosch.com.kh
People's Republic of China
China Mainland
Bosch Power Tool (China) Co. Ltd.
Bosch Service Center
Bosch Power Tools

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