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English | 25
Bosch Power Tools F 016 L81 719 | (21.12.17)
Maintenance and Cleaning
Warning: Switch off and remove battery from power
tool before adjusting or cleaning.
Note: To ensure long and reliable service, carry out the
following maintenance regularly.
For safe and proper working, always keep the power tool and
its ventilation slots clean.
Regulary check the chain saw for obvious defects such as
loose, dislodged or damaged saw chain and chain bar, loose
fixings and worn or damaged components.
Check that covers and guards are undamaged and correctly
fitted. Carry out necessary maintenance or repairs before
using.
Note: Before returning the chain saw, ensure all oil in the oil
reservoir has been emptied.
Replacing/Changing the Saw Chain and Chain Bar
(see figures B1–B4)
Check the saw chain and chain bar according to section
“Tensioning the Saw Chain”.
Exchange a worn chain bar.
Check the drive sprocket 20. If it is worn out or damaged due
to strain, have it exchanged by an authorized Bosch after-
sales service.
Sharpening the Saw Chain
Do not sharpen the saw chain yourself, unless you are
experienced in doing so. Please obtain the replacement saw
chain (F 016 800 489) or have your chain sharpened
professionally at your authorized Bosch after-sales service.
Checking the Automatic Oiler
Proper functioning of the automatic saw chain oiler can be
checked by running the chain saw and pointing the tip of the
chain bar towards a piece of cardboard or paper on the
ground. Do not touch the ground with the chain and ensure a
safety clearance of 20 cm. If an increasing oil pattern
develops, the automatic oiler is operating fine. If there is no oil
pattern despite a full oil reservoir, see section
“Troubleshooting” or contact your authorized Bosch after-
sales service.
After Use/Storage
Remove the oil from the reservoir before storage.
Clean the moulded plastic housing of the chain saw using a
soft brush and clean cloth. Do not use water, solvents or
polishes. Remove all debris, especially from the motor
cooling vents.
After 1 – 3 hours of use, remove the cover 15, the chain bar
11 and the saw chain 12, and clean them using a brush.
Sawing time per
battery charge too
low
Too much friction, due to lack of lubricant Ensure that lubrication is working (see “Saw-chain
Lubrication”)
Saw chain needs cleaning Clean saw chain
Poor sawing technique see “Working with the Chain Saw”
Battery not fully charged Recharge battery; also see “Battery Charging”
Battery outside of battery temperature Allow battery to warm naturally to room
temperature (within battery operating
temperature 0 –45 °C)
The saw chain is
running slow
Battery discharged Recharge battery; also see “Battery Charging”
Battery outside of battery temperature Allow battery to warm naturally to room
temperature (within battery operating
temperature 0 –45 °C)
Continuous lighting
of the battery charge
indicator
No charging
procedure possible
Battery not (properly) inserted Properly insert battery into battery charger
Battery contacts contaminated Clean the battery contacts (e.g. by inserting and
removing the battery several times) or replace the
battery
Battery pack defective Replace the battery
The charge control
LEDs 24 and 25
respectively, do not
light up after
inserting the mains
plug into the socket
Mains plug of battery charger not plugged in
(properly)
Insert mains plug (fully) into the socket outlet
Socket outlet, mains cable or battery charger
defective
Check the mains voltage; have the battery charger
checked by an authorised after-sales service
agent for Bosch power tools
Problem Possible Cause Corrective Action
OBJ_BUCH-3472-001.book Page 25 Thursday, December 21, 2017 4:11 PM
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