1 609 929 Y30 | (16.8.12) Bosch Power Tools
14 | English
Declaration of Conformity
We declare underonsibility that the product
described under “T” is in conformity with the
following standards or standardization documents:
EN 792 according to the provisions of the directive
2006/42/EC.
Technical file (2006/42/EC)
Robert Bosch GmbH, PT/ESC,
D-70745 Leinfelden-Echter
Robert Bosch GmbH, Power Tools Division
D-70745 Leinfelden
Leinfelden, 1
Assembly
Connecting the
Make sure that the pressure of the compressed-air system
is below the maximum permitted rated pr
pneumatic tool. Firstly, set the air pr
value of the recommended rated pressure (see “T
Data”).
When in doubt, c
pressure ga
For maximum perf
hose 13 (connection thread, maximum op
sure, inner ho
“Technical Data
The compressed air supplied sho
terial and moisture to protect the tool from damage, c
taminatifo
All fittings, connecting lines and hoses must be dimen-
sioned for the prd the required air volume.
Avoid restrictions in the air supply, e.
kinking, or stretching!
Connecting the Air Supply to the Pneumatic Tool
– E8.
(See “Emptying the
For the following worksteps, a f
charged when interior paof the pneumatic tool are
not in the stardue to repairs, ma
or transport.
– C6 with a supply-a13
equipped with an air-connection coupling 12.
– Check the proper functio11 or
the rubber workpiece p1 of the pneuma
onto a piece of scrap wood or
charging once or twice.
Loading the Magazine (see figure–B2)
Disconnect the air supply before making
any adjustments, changing accessories,
or placing the pneumatic tool aside. This
safety measure prevents ac
ing of the pneumatic tool.
f Use only original Bosch accessories (see “Technical
Data”). Th
as the magaz and the shot duct are
matched to Bosch staples, nails and br
ufacturers use other steel qualities and sizes.
Using fasten
matic tool and cause injuries.
While loading the magazine, hold the pneumatic tool in
such a manner that the outlet 11 is not pointed at y
body or at other persons.
– Pull back the magazine slider 7 until it engages at the
rear.
Note: The magazine slider must slide back wit
force (finger-pressure). A tight-running magazine slider
causes the nails to be d
– Clea7 as required
and make sure that the8 is not dirty/soiled.
– Inse14.
Do not use nail strips with less than 5 nails. Do not insert
more than 2 nail strips. Make sure tha
nails do not overlap.
GSN 90-34 DK: With this pneumatic tool, a lock function
of the magazine slider prevents the last nails from being
discharged. App
– Completely pull ba7 once more
to free the lock.
– Carefully guide the magazine slider to the front until it
touches the nail strip.
Make sure that the magazine slider is slid beyond
head of the last nail.
Note: Do not let the magazine slider snap back without
guiding it. Otherwise, the maga
damaged, an
or pinched.
Operation
Actuation systems
The pneumatic tool can be operated w
tuations systems:
– Single actuation with s
With this actuatio2
must first be firmly pressed against the wor
fastener is not discharged until the trigger 10 is pulled.
Afterwards,
actuated, when the trigger and the discharge lock-off
have first been set back to the starting position.
– Contac
With this actuation system, the trigger 10 must be
pulled first. A fastener is al
discharge lock-off 2 is firmly pressed against the work-
piece while the tr
This enables a higher working speed to be achieved.
The actuation system is set via t9.
Starting Operation
Disconnect the air supply before making
any adjustments, changing acces
or placing the pneumatic tool aside. This
safety measure prevents accidental star
ing of the pneumatic tool.
Working with Single Actuation (see figure C)
– Press selector switch 9 inward
ot it to the bottom position until it engages.
The actuat
actuatio
– Release the selector switch 9 again.
– Firm11 or the rubber workpiec
protector 1 on the wo 2
is pressed in completely.
– Afterwards, briefly press trigger 10 and release again.
A nail is discharged.
– Allow the pneumatic tool to bounce back from the work-
piece.
– For completely lift th
matic tool from the workpiece and position it firmly at
the next desired loc
Working with Contact Actuation (see figure D)
– Press selector switch 9 i
ot it to the upper position until it engages.
The actuation syste
“contact
set.
– Release the selector9 again.
– Press and hold the trigger 10.
– Firm11 or the rubber workpiec
protector 1 on the wo 2
is pressed in completely.
A nail is discharged.
– Allow the pneumatic tool to bounce back from the work-
piece.
– For completely lift th
matic tool from the workpiece and position it firmly at
the next desired loc
– Move theiformly over the workpiece
by lifting it off and applying it again.
Each time when applyi
discharge lock-off is pressed in,
charged.
– As soon as the desired
in, release trigg10 again.
Working Advice
Disconnect the air supply before making
any adjustments, changing ac
or placing the pneumatic tool aside. This
safety measure prevents accidental start-
ing of the pneumatic tool.
Check the proper function of the safety a
vices, and the tight seating of all screws and nuts each time
before using.
Disconnect a defective or not pr
ic tool immediately from of the air supply and contact an
authorised service agent for Bosch powe
Do not perform any incorrec
matic tool. Door block any components of
the pneumatic tool, such as the discharge lock-off.
Do not carry out “emergency repairs” with unsuitable
means. The pneumatic tool is to be main
and properly (see “Maintena
Avoid any weakening a
matic tool, e.g., throug
– Imprintin
– Retrofitting measures not approved by the manufactur
er,
– Guiding along templates manufactured of hard mate
e.g. steel,
– Dropping on or
– Using as a hammer,
– Applying an
Ma
piece. Do not shoot nails into walls, ceilings or floors, when
persons are behind thenails can burst through the
workpiece and injure someo
Noise/Vibration Informa
Measured noise values determine
Typically the A-weighted noise l
Sound pressure level XXX dB(A); sound power dB(A). Un-
certainty K
Wear hearing protection!
dB(A)
dB(A)
XXX = 110
YYY = 123
XXX = 110
YYY = 123
XXX = 94
YYY = 107
Vibration total values a
h
and uncertainty K determined according to
EN ISO 20643:
a
h
=Z
2
, K
2
. m/s
2
ZZZ < 2.5 ZZZ < 2.5 ZZZ = 4.4
Compressed-air nailer GSN 90-21 RK GSN 90-34 DK GSN 100-34 DK
Dr. Egbert Schneider
Senior Vice President
Engineering
Helmut Heinzelmann
Head of Product Certification
PT/ETM9
OBJ_BUCH-1037-004.bo
