18
| English
– Particular attention must be given when sawing side-
wards, slanted or during length cuts, as the gripping teeth
(12)
usually can not be applied.
Cutting Logs (see figures F)
– Always secure the logs before cutting.
– Always cut the logs beyond the secured points to prevent
the log from closing in and causing the chain to get
jammed.
– Never allow the saw chain to make contact with the
ground or cutting equipment.
– Be careful not to trip over tree stumps, branches, roots,
etc.
Cutting Wood under Tension (see figure G)
– Be extremely careful when sawing wood, branches or
trees under tension. Leave saw jobs like these to trained
professionals. There is a high risk of accidents.
Limbing a Branch or Tree (see figure H)
– Limbing is removing the small branches from a fallen tree
or large branch.
– Leave larger lower limbs to support the log off the ground.
– Remove the smaller limbs in one cut.
Troubleshooting
The following chart lists problem symptoms, possible causes and corrective action, if your machine does not operate properly.
If these do not identify and correct the problem, contact your service agent.
Warning: Switch off and remove plug from mains before investigating fault.
Problem
Possible Cause
Corrective Measure
Chain saw fails to oper-
ate
Kickback brake is activated
see figure
C2
Plug not connected
Connect plug
Mains socket faulty
Use another socket
Fuse faulty / blown
Replace fuse
Extension cable damaged
Use a different extension cable
Chain saw operates in-
termittently
Mains cable defective
Check mains cable and have it replaced, if re-
quired
On/Off switch
(2)
defective
Contact your Bosch Service Centre
Saw chain dry
No oil in reservoir
Refill oil
Oil outlet
(7)
clogged
Clean oil outlet
(7)
Brake does not stop
saw chain
Kickback brake/run-down brake defective
Contact your Bosch Service Centre
Saw chain/guide bar
hot
No oil in reservoir
Refill oil
Oil outlet
(7)
clogged
Clean oil outlet
(7)
Chain tension too high
Adjust chain tension
Chain bar damaged or worn
Replace chain bar or contact Bosch Service
Centre
Dull saw chain
Replace saw chain
Chain saw rips, vi-
brates, does not saw
properly
Saw chain tension too loose
Adjust chain tension
Dull saw chain
Replace saw chain
Saw chain worn out
Replace saw chain
Saw chain teeth are facing in the wrong direction Reassemble with saw chain in correct direction
Chain bar damaged or worn
Replace chain bar or contact Bosch Service
Centre
Maintenance and Service
Maintenance and Cleaning
u
Before any work on the product, disconnect supply
cord from the mains.
– Always fit the chain guard
(26)
on the chain bar
(17)
when the chain saw is not being used to prevent injury.
– For safe and proper working, always keep the power tool
and its ventilation slots clean.
– Do not use water, solvents or polishes.
F 016 L94 197 | (17.11.2021)
Bosch Power Tools
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