Bosch GSH Professional 16-28 User manual

Robert Bosch Power Tools GmbH
70538 Stuttgart
GERMANY
www.bosch-pt.com
1 609 92A 2BF (2019.01) DOC / 143
de Originalbetriebsanleitung
en Original instructions
fr Notice originale
es Manual original
pt Manual original
it Istruzioni originali
nl Oorspronkelijke gebruiksaanwijzing
da Original brugsanvisning
sv Bruksanvisning i original
no Original driftsinstruks
fi Alkuperäiset ohjeet
el Πρωτότυπο οδηγιών χρήσης
tr Orijinal işletme talimatı
pl Instrukcja oryginalna
cs Původní návod k používání
sk Pôvodný návod na použitie
hu Eredeti használati utasítás
ru Оригинальное руководство по
эксплуатации
uk Оригінальна інструкція з
експлуатації
kk Пайдалану нұсқаулығының
түпнұсқасы
ro Instrucțiuni originale
bg Оригинална инструкция
mk Оригинално упатство за работа
sr Originalno uputstvo za rad
sl Izvirna navodila
hr Originalne upute za rad
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lt Originali instrukcija
ar   
fa   
1 609 92A 2BF
GSH Professional
16-28 | 16-30

10 | English
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English
Safety instructions
General Power Tool Safety Warnings
WARNING Read all safety warnings and all in-
structions. Failure to follow the
warnings and instructions may result in electric shock, fire
and/or serious injury.
Save all warnings and instructions for future reference.
The term "power tool" in the warnings refers to your mains-
operated (corded) power tool or battery-operated (cord-
less) power tool.
Work area safety
uKeep work area clean and well lit. Cluttered or dark
areas invite accidents.
uDo not operate power tools in explosive atmospheres,
such as in the presence of flammable liquids, gases or
dust. Power tools create sparks which may ignite the dust
or fumes.
uKeep children and bystanders away while operating a
power tool. Distractions can cause you to lose control.
Electrical safety
uPower tool plugs must match the outlet. Never modify
the plug in any way. Do not use any adapter plugs with
earthed (grounded) power tools. Unmodified plugs and
matching outlets will reduce risk of electric shock.
uAvoid body contact with earthed or grounded sur-
faces, such as pipes, radiators, ranges and refrigerat-
ors. There is an increased risk of electric shock if your
body is earthed or grounded.
uDo not expose power tools to rain or wet conditions.
Water entering a power tool will increase the risk of elec-
tric shock.
uDo not abuse the cord. Never use the cord for carry-
ing, pulling or unplugging the power tool. Keep cord
away from heat, oil, sharp edges or moving parts.
Damaged or entangled cords increase the risk of electric
shock.
uWhen operating a power tool outdoors, use an exten-
sion cord suitable for outdoor use. Use of a cord suit-
able for outdoor use reduces the risk of electric shock..
uIf operating a power tool in a damp location is un-
avoidable, use a residual current device (RCD) protec-
ted supply. Use of an RCD reduces the risk of electric
shock.
Personal safety
uStay alert, watch what you are doing and use common
sense when operating a power tool. Do not use a
power tool while you are tired or under the influence
of drugs, alcohol or medication. A moment of inatten-
tion while operating power tools may result in serious per-
sonal injury.
uUse personal protective equipment. Always wear eye
protection. Protective equipment such as dust mask,
non-skid safety shoes, hard hat, or hearing protection
used for appropriate conditions will reduce personal in-
juries.
uPrevent unintentional starting. Ensure the switch is in
the off-position before connecting to power source
and/or battery pack, picking up or carrying the tool.
Carrying power tools with your finger on the switch or en-
ergising power tools that have the switch on invites acci-
dents.
uRemove any adjusting key or wrench before turning
the power tool on. A wrench or a key left attached to a
rotating part of the power tool may result in personal in-
jury.
uDo not overreach. Keep proper footing and balance at
all times. This enables better control of the power tool in
unexpected situations.
uDress properly. Do not wear loose clothing or jew-
ellery. Keep your hair, clothing and gloves away from
moving parts. Loose clothes, jewellery or long hair can
be caught in moving parts.
uIf devices are provided for the connection of dust ex-
traction and collection facilities, ensure these are con-
nected and properly used. Use of dust collection can re-
duce dust-related hazards.
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English | 11
Power tool use and care
uDo not force the power tool. Use the correct power
tool for your application. The correct power tool will do
the job better and safer at the rate for which it was de-
signed.
uDo not use the power tool if the switch does not turn it
on and off. Any power tool that cannot be controlled
with the switch is dangerous and must be repaired.
uDisconnect the plug from the power source and/or the
battery pack from the power tool before making any
adjustments, changing accessories, or storing power
tools. Such preventive safety measures reduce the risk
of starting the power tool accidentally.
uStore idle power tools out of the reach of children and
do not allow persons unfamiliar with the power tool or
these instructions to operate the power tool. Power
tools are dangerous in the hands of untrained users.
uMaintain power tools. Check for misalignment or bind-
ing of moving parts, breakage of parts and any other
condition that may affect the power tool’s operation.
If damaged, have the power tool repaired before use.
Many accidents are caused by poorly maintained power
tools.
uKeep cutting tools sharp and clean. Properly main-
tained cutting tools with sharp cutting edges are less
likely to bind and are easier to control.
uUse the power tool, accessories and tool bits etc. in
accordance with these instructions, taking into ac-
count the working conditions and the work to be per-
formed. Use of the power tool for operations different
from those intended could result in a hazardous situation.
Service
uHave your power tool serviced by a qualified repair
person using only identical replacement parts. This
will ensure that the safety of the power tool is maintained.
Hammer Safety Warnings
uWear ear protectors. Exposure to noise can cause hear-
ing loss.
uUse auxiliary handle(s), if supplied with the tool. Loss
of control can cause personal injury.
uHold power tool by insulated gripping surfaces, when
performing an operation where the cutting accessory
may contact hidden wiring or its own cord. Cutting ac-
cessory contacting a "live" wire may make exposed metal
parts of the power tool "live" and could give the operator
an electric shock.
uUse suitable detectors to determine if utility lines are
hidden in the work area or call the local utility com-
pany for assistance. Contact with electric lines can lead
to fire and electric shock. Damaging a gas line can lead to
explosion. Penetrating a water line causes property dam-
age or may cause an electric shock.
Products sold in GB only:
Your product is fitted with an BS 1363/A approved electric
plug with internal fuse (ASTA approved to BS 1362).
If the plug is not suitable for your socket outlets, it should be
cut off and an appropriate plug fitted in its place by an au-
thorised customer service agent. The replacement plug
should have the same fuse rating as the original plug.
The severed plug must be disposed of to avoid a possible
shock hazard and should never be inserted into a mains
socket elsewhere.
uHold the power tool firmly with both hands and make
sure you have a stable footing. The power tool can be
more securely guided with both hands.
Product Description and
Specifications
Read all the safety and general instructions.
Failure to observe the safety and general in-
structions may result in electric shock, fire
and/or serious injury.
Please observe the illustrations at the beginning of this oper-
ating manual.
Intended use
The power tool is intended for heavy chiselling and demoli-
tion work as well as for driving in and compacting with the
appropriate accessories.
Product features
The numbering of the product features refers to the diagram
of the power tool on the graphics page.
(1) Handle (insulated gripping surface)
(2) On/off switch
(3) Carrying handle
(4) Knurled nut with carrying handle
(5) Lock bolt (GSH 16-30)
(6) Tool retainer (GSH 16-28)
(7) Tool shank
(8) Tool holder
(9) Shoulder
Technical data
Demolition Ham-
mer GSH 16-28 GSH 16-30
Article number 3 611 C35 0.. 3 611 C35 1..
Rated power input W 1750 1750
Impact rate min-1 1 300 1 300
Impact energy per
stroke according to
EPTA-Procedure
05/2009
J 41 41
Tool holder mm 28 30
Weight according
to kg 18.3 16.9
Bosch Power Tools 1 609 92A 2BF | (01.02.2019)

12 | English
Demolition Ham-
mer GSH 16-28 GSH 16-30
EPTA-Procedure
01:2014
Protection class / II / II
The specifications apply to a rated voltage [U] of 230 V. These spe-
cifications may vary at different voltages and in country-specific mod-
els.
Noise/Vibration Information
Noise emission values determined according to
EN 60745-2-6.
Typically, the A-weighted noise level of the power tool is:
93dB(A); sound power level 104dB(A). Uncertainty
K=3dB.
Wear hearing protection
Total vibration values ah (triax vector sum) and uncertainty K
determined according to
EN 60745-2-6:
Chiselling: ah=13m/s2, K=1,5m/s2
The vibration level given in these instructions has been
measured in accordance with a standardised measuring pro-
cedure and may be used to compare power tools. It can also
be used for a preliminary estimation of exposure to vibra-
tion.
The stated vibration level applies to the main applications of
the power tool. However, if the power tool is used for differ-
ent applications, with different application tools or poorly
maintained, the vibration level may differ. This can signific-
antly increase the exposure to vibration over the total work-
ing period.
To estimate the exposure to vibration accurately, the times
when the tool is switched off or when it is running but not ac-
tually being used should also be taken into account. This can
significantly reduce the exposure to vibration over the total
working period.
Implement additional safety measures to protect the oper-
ator from the effects of vibration, such as servicing the
power tool and application tools, keeping the hands warm,
and organising workflows correctly.
Assembly
Carrying handle
The carrying handle (3) can be turned to any position.
Loosen the knurled nut(4), rotate the carrying handle (3)
around the axis of the tool to the required position and
retighten the knurled nut (4).
The carrying handle (3) can be refitted in a different posi-
tion. Completely unscrew the knurled nut (4) and then pull
the hexagon bolt upwards and out. Pull off the carrying
handle (3) to the side and rotate the remaining clamping ele-
ment by 180°. Fit the carrying handle (3) by following the
steps in reverse order.
Changing the tool (GSH 16-28)
uPull the plug out of the socket before carrying out any
work on the power tool.
Clean the tool shank (7) and apply a light coating of grease.
Application tools without collar (see figuresA – B)
– Pivot the tool retainer (6) upwards by approx. 150° and
insert the application tool into the tool holder (8).
– Pivot the tool retainer (6) back down to lock the applica-
tion tool in place.
– Check that it is locked by pulling on the tool.
Application tools with collar (see figuresC – D)
Application tools with an insertion length of 152mm (6") to
the collar can be used.
– Pivot the tool retainer (6) upwards by approx. 180° and
insert the application tool into the tool holder (8).
– Pivot the tool retainer (6) back as far as the application
tool to lock it in place. The collar (9) must be held by the
tool retainer (6).
– Check that it is locked by pulling on the tool.
Changing the tool (GSH 16-30)
uPull the plug out of the socket before carrying out any
work on the power tool.
– Clean the tool shank (7) and apply a light coating of
grease.
– Pull out the lock bolt (5) and turn it anticlockwise by
180°. Allow the lock bolt 5 to engage again.
– Push the application tool all the way into the tool holder
(8). The groove of the tool shank (7) must face upwards
as shown in the figure.
– Pull out the lock bolt (5) and turn it clockwise by 180°. Al-
low the lock bolt (5) to engage again.
– Check that it is locked by pulling on the tool.
Dust/Chip Extraction
Dust 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 dust can cause allergic
reactions and/or lead to respiratory infections of the user or
bystanders.
Certain dust, such as oak or beech dust, is considered carci-
nogenic, especially in connection with wood-treatment ad-
ditives (chromate, wood preservative). Materials containing
asbestos may only be worked by specialists.
– 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 ma-
terials to be worked.
uAvoid dust accumulation at the workplace. Dust can
easily ignite.
1 609 92A 2BF | (01.02.2019) Bosch Power Tools

English | 13
Operation
Starting operation
uPay attention to the mains voltage. The voltage of the
power source must match the voltage specified on the
rating plate of the power tool. Power tools marked
with 230V can also be operated with 220V.
Switching on/off
– To start the power tool, tilt the on/off switch (2) to the "I"
position.
– To switch off the power tool, tilt the on/off switch (2) to
the "0" position.
At low temperatures, the power tool will take a certain
amount of time to reach its full impact performance. You can
shorten this warm-up time by tapping the power tool's inser-
ted application tool on the ground once.
Working advice
uPull the plug out of the socket before carrying out any
work on the power tool.
While working, hold the power tool with both hands by the
handle (1). The handle (1) can move up and down around its
axis by approx. 30 mm. This has a damping effect against vi-
brations.
For the highest possible impact damping, work only with
moderate pressure.
Sharpening Chisels
Only sharp chiselling tools will produce good results, there-
fore sharpen your chiselling tools in good time before use.
This will ensure a long service life for the tools and good
work results.
Resharpening
Grind chiselling tools against sanding discs, e.g. aluminium
oxide, under a steady stream of water. Take care that no an-
nealing colouration appears on the cutting edges; this im-
pairs the hardness of the chiselling tools.
4
60
ca.60
ca.40
6060
20
To forge a chisel, heat it to between 850 and 1050 °C (pale
red to yellow).
To harden a chisel, heat it to approx. 900 °C and quench in
oil. Then, leave it in an oven for approx. one hour at 320 °C
(annealing colour: pale blue).
Maintenance and Service
Maintenance and Cleaning
uPull the plug out of the socket before carrying out any
work on the power tool.
uTo ensure safe and efficient operation, always keep
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
after-sales service centre that is authorised to repair Bosch
power tools.
When the carbon brushes are worn out, the power tool
switches itself off. The power tool must be sent to the after-
sales service for maintenance; see the "After-sales service
and application service" section for addresses.
After-Sales Service and Application Service
Our after-sales service responds to your questions concern-
ing maintenance and repair of your product as well as spare
parts. You can find explosion 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 nameplate
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 arrange
the collection of a product in need of servicing or repair.
Tel. Service: [phone]
E-Mail: [email protected]
Ireland
Origo Ltd.
Unit 23 Magna Drive
Magna Business Park
City West
Dublin 24
Tel. Service: [phone]
Fax: [phone]
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: [phone]
Fax: [phone]
Bosch Power Tools 1 609 92A 2BF | (01.02.2019)