Practical Advice; Maintenance And Servicing - Bosch Professional GBM 345 Original Instructions Manual

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8 | English
rating plate of the power tool. Power tools marked
with 230 V can also be operated with 220 V.
Products that are only sold in AUS and NZ: Use a resid-
u
ual current device (RCD) with a nominal residual current
of 30 mA or less.
Reversing the Rotational Direction
Do not use the rotational direction switch (4) when
u
the power tool is in operation, as this may damage it.
The rotational direction switch (4) is used to change the ro-
tational direction of the power tool. However, this is not pos-
sible while the on/off switch (3) is being pressed.
Right rotation: To drill and to drive in screws, press the ro-
tational direction switch (4) through to the left stop.
Left Rotation: To loosen and unscrew screws and nuts,
press the rotational direction switch (4) through to the right
stop.
Switching On/Off
To start the power tool, press and hold the on/off switch
(3).
Press the lock-on button (2) to lock the on/off switch (3) in
this position.
To switch off the power tool, release the on/off switch (3).
Adjusting the Speed
You can adjust the speed of the power tool when it is on by
pressing in the on/off switch (3) to varying extents.
A light pressure on the on/off switch (3) results in a low rota-
tional speed. Increased pressure on the switch causes an in-
crease in speed.

Practical advice

Pull the plug out of the socket before carrying out any
u
work on the power tool.
Only apply the power tool to the screw/nut when the
u
tool is switched off. Rotating tool inserts can slip off.
After working at a low speed for an extended period, you
should operate the power tool at the maximum speed for ap-
proximately three minutes without load to cool it down.
When drilling into metal, only use sharpened HSS drills (HSS
= high-speed steel) which are in perfect condition. The
Bosch accessory range guarantees appropriate quality.
Before screwing larger, longer screws into hard materials, it
is advisable to pre-drill a pilot hole with the core diameter of
the thread to approx. 2/3 of the screw length.

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.
In order to avoid safety hazards, if the power supply cord
needs to be replaced, this must be done by Bosch or by an
1 609 92A 4U6 | (03.12.2018)
after-sales service centre that is authorised to repair Bosch
power tools.
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.
In all correspondence and spare parts orders, please always
include the 10‑digit article number given on the type plate of
the product.
Great Britain
Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham Uxbridge
UB 9 5HJ
At www.bosch-pt.co.uk you can order spare parts or ar-
range the collection of a product in need of servicing or re-
pair.
Tel. Service: (0344) 7360109
E-Mail: boschservicecentre@bosch.com
Ireland
Origo Ltd.
Unit 23 Magna Drive
Magna Business Park
City West
Dublin 24
Tel. Service: (01) 4666700
Fax: (01) 4666888
Australia, New Zealand and Pacific Islands
Robert Bosch Australia Pty. Ltd.
Power Tools
Locked Bag 66
Clayton South VIC 3169
Customer Contact Center
Inside Australia:
Phone: (01300) 307044
Fax: (01300) 307045
Inside New Zealand:
Phone: (0800) 543353
Fax: (0800) 428570
Outside AU and NZ:
Phone: +61 3 95415555
www.bosch-pt.com.au
www.bosch-pt.co.nz
Republic of South Africa
Customer service
Hotline: (011) 6519600
Gauteng – BSC Service Centre
35 Roper Street, New Centre
Johannesburg
Bosch Power Tools

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