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Bosch Power Tools

1 619 929 J79 | (23.11.11)

Noise/Vibration Information

Measured sound values determined according to EN 60745.
Typically the A-weighted noise levels of the product are: 

Sound pressure level 89 dB(A); Sound power level 

100 dB(A). Uncertainty K = 3 dB.

Wear hearing protection!

Vibration total values a

h

 (triax vector sum) and uncertainty K 

determined according to EN 60745:

a

h

= 5.5 m/s

2

, K = 2.5 m/s

2

.

The vibration emission level given in this information sheet 

has been measured in accordance with a standardised test 

given in EN 60745 and may be used to compare one tool with 

another. It may be used for a preliminary assessment of expo-

sure.

The declared vibration emission level represents the main ap-

plications of the tool. However if the tool is used for different 

applications, with different accessories or poorly maintained, 

the vibration emission may differ. This may significantly in-

crease the exposure level over the total working period.

An estimation of the level of exposure to vibration should also 

take into account the times when the tool is switched off or 

when it is running but not actually doing the job. This may sig-

nificantly reduce the exposure level over the total working pe-

riod.

Identify additional safety measures to protect the operator 

from the effects of vibration such as: maintain the tool and the 

accessories, keep hands warm, organise work patterns. 

Declaration of Conformity

We declare under our sole responsibility that the product de-

scribed under “Technical Data” is in conformity with the fol-

lowing standards or standardization documents: EN 60745 

according to the provisions of the directives 2011/65/EU, 

2004/108/EC, 2006/42/EC.
Technical file (2006/42/EC) at:

Robert Bosch GmbH, PT/ETM9, 

D-70745 Leinfelden-Echterdingen

Robert Bosch GmbH, Power Tools Division

D-70745 Leinfelden-Echterdingen

26.10.2011

Assembly

Inserting a Router Bit (see figure A)

f

Before any work on the machine itself, pull the mains 

plug.

f

It is recommended to wear protective gloves when in-

serting or replacing router bits.

Depending on the application, router bits are available in the 

most different designs and qualities.

Router bits made of high speed steel (HSS)

 are suitable for 

the machining of soft materials, e. g. softwood and plastic.

Carbide tipped router bits (HM)

 are particularly suitable for 

hard and abrasive materials, e. g. hardwood and aluminium.
Original router bits from the extensive Bosch accessories pro-

gram are available at your specialist shop.
Only use clean router bits that are in perfect condition.
– Fold the chip shield 

6

 down.

– Push the spindle lock lever 

4

 in clockwise direction and 

hold it in this position (

n

). If required, turn the motor spin-

dle by hand until it is locked.

– Loosen the tightening nut 

23

 with the open-end spanner 

25

 (size 24 mm) by turning in antclockwise direction (

o

).

– Insert the router bit into the collet. The shank of the router 

bit must be immersed at least 20 mm into the collet.

– Tighten the tightening nut 

23

 with the open-end spanner 

25

 (size 24 mm) by turning in clockwise direction. Release 

the spindle lock lever 

4

.

– Fold the chip shield 

6

 up again.

f

Do not insert a router bit with a diameter larger than 

50 mm when the guide bushing is not mounted. 

Such 

router bits do not fit through the base plate.

f

Do not tighten the tightening nut of the collet without a 

router bit inserted. 

Otherwise the collet can be damaged.

Dust/Chip Extraction (see figure B)

f

Dusts from materials such as lead-containing coatings, 

some wood types, minerals and metal can be harmful to 

one’s health. Touching or breathing-in the dusts can cause 

allergic reactions and/or lead to respiratory infections of 

the user or bystanders.

Certain dusts, such as oak or beech dust, are considered 

as carcinogenic, especially in connection with wood-treat-

ment additives (chromate, wood preservative). Materials 

containing asbestos may only be worked by specialists.

– As far as possible, use a dust extraction system suita-

ble for the material.

– Provide for good ventilation of the working place.

– It is recommended to wear a P2 filter-class respirator.

Observe the relevant regulations in your country for the 

materials to be worked.

f

Prevent dust accumulation at the workplace. 

Dusts can 

easily ignite.

Mounting the Extraction Adapter

The extraction adapter 

27

 can be mounted with the hose con-

nection to the front or to the rear. When the guide bushing 

adapter 

44

 is mounted, it is possible that the guide bushing 

adapter must be turned by 180 °  so that the extraction adapt-

er 

27

 does not touch the release lever 

46

. When mounting 

with the hose connection in front, the chip shield 

6

 must be 

removed first. Fasten the extraction adapter 

27

 with the 

2 knurled screws 

28

 to the base plate 

12

.

Connecting the Dust Extraction

Insert an extraction hose (Ø 35 mm) 

26

 (accessory) into the 

mounted extraction adapter. Connect the extraction hose 

26

to a vacuum cleaner (accessory).

Dr. Egbert Schneider

Senior Vice President

Engineering

Dr. Eckerhard Strötgen

Engineering Director

PT/ESI

OBJ_BUCH-203-004.book  Page 17  Wednesday, November 23, 2011  9:50 AM