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Problem
Possible Cause
Power tool not running Front brake has been triggered
Plug not connected
Plug socket defective
Fuse has been triggered
Extension cable damaged
Power tool works inter-
Mains cable defective
mittently
External or internal loose connection
On/off switch (2) defective
Saw chain does not
Front brake/run-out brake defective
slow down
Saw chain/guide rail
Chain tension too high
hot
Blunt saw chain
Power tool judders, vi-
Chain tension too low
brates or does not saw
Blunt saw chain
correctly
Saw chain worn
Saw teeth pointing in the wrong direction
Maintenance and Service
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 extreme conditions, always use a dust extractor if
u
possible. Blow out ventilation slots frequently and in-
stall a residual current device (RCD) upstream.
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.
Note: Perform the following maintenance work regularly to
ensure long and reliable use.
Check whether the covers and protective devices are un-
damaged and fitted correctly. Before use, carry out any re-
quired maintenance or repair work.
Regularly inspect the power tool for obvious defects, such as
a loose, dislodged or damaged saw chain, a loose fixing and
worn or damaged components.
Replacing the Saw Chain and Sprocket Wheel
Replace the saw chain and sprocket wheel with
original Bosch spare parts or have these parts replaced at
your authorised after-sales service centre for Bosch power
tools.
Bosch Power Tools
Corrective measure
Pull the lever for activating the front brake (4)
back to the
position.
Connect the plug
Use another plug socket
Change the fuse
Do not attempt without an extension cable
Operate the front brake lever to stop the saw
chain; check the mains cable and replace it if ne-
cessary
Operate the front brake lever to stop the saw
chain; contact your Bosch after-sales service
Operate the front brake lever to stop the saw
chain; contact your Bosch after-sales service
Contact your Bosch after-sales service.
Adjust the chain tension
Replace the saw chain
Adjust the chain tension
Replace the saw chain
Replace the saw chain
Install the saw chain correctly
After Use/Storage
Place the chain guard (7) on the chain bar (9) in order to
prevent injuries.
The saw chain (8) may become blunt from unintentional im-
pacts or scratches.
Clean the moulded plastic housing of the power tool using a
soft brush and a clean cloth. Do not use water or any
solvents or polishes. Remove all of the dirt, particularly any
dirt in the motor's ventilation slots.
After an application time of 1–3 hours, remove the
cover (12), the chain bar (9) and the saw chain (8) and
clean them using a brush.
If the power tool is to be stored for a prolonged period of
time, clean the saw chain (8) and the chain bar (9).
Store the power tool in a safe, dry place out of the reach of
children.
Do not place any other objects on the power tool.
Do not make any alterations to the power tool. Unreliable
alterations may compromise the safety of your power tool
and lead to increased noise and vibrations.
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.
English | 23
1 609 92A 6BF | (25.10.2022)
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