Bedienungsanleitung Bosch UniversalChain 40 (Seite 21 von 343) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Polnisch, Türkisch, Schwedisch, Norwegisch, Finnisch)

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English | 21

When the log is supported along its entire length, it is cut

from the top (overbuck).

When the log is supported on one end, cut 1/3 the diameter

from the underside (underbuck).

When the log is supported on both ends, cut 1/3 the dia-

meter from the top overbuck. Then make the finished cut by

underbucking the lower 2/3 to meet the first cut.

When bucking on a slope, always stand on the uphill side of

the log. When “cutting through”, release the cutting pressure

near the end of the cut without relaxing your grip on the

chain saw handles in order to maintain complete control.

Don’t let the chain contact the ground. After completing the

cut, wait for the saw chain to stop before you move the chain

saw. Always stop the chain saw motor before moving from

tree to tree.

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.

u Warning: Switch off and remove plug from mains be-

fore investigating fault.

Problem Possible Cause Corrective Action

Chain saw fails to oper-

ate

Kickback brake is activated Pull back the activation lever for kickback brake

(4) to position , so that the white dot is on the

"I" symbol.

Plug not connected Connect plug

Mains socket faulty Use another socket

Fuse faulty / blown Replace fuse

Extension cable damaged Try without extension cable

Chain saw operates in-

termittently

Mains cable defective Check mains cable and have it replaced, if re-

quired

External or internal wiring defect Contact your Bosch Service Centre

On/Off switch (2) defective

Contact your Bosch Service Centre

Saw chain dry No oil in reservoir Refill oil

Vent in oil filler cap (14) clogged Clean oil filler cap (14)

Oil passage clogged Clean oil passage

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

Vent in oil filler cap (14) clogged Clean oil filler cap (14)

Oil passage clogged Clean oil passage

Chain tension too high Tension saw chain

Dull saw chain Sharpen saw chain or replace

Chain saw rips, vi-

brates, does not saw

properly

Chain tension too loose Tension saw chain

Dull saw chain Sharpen saw chain or replace

Chain worn out Replace saw chain

Chain teeth are facing in the wrong direction Reassemble with chain in correct direction

Maintenance and Cleaning

u Warning! Switch off and remove plug from mains be-

fore adjusting or cleaning. The same applies when the

mains cable is damaged, cut or entangled.

If the replacement of the supply cord is necessary, this has

to be done by Bosch or an authorized Bosch service agent in

order to avoid a safety hazard.

Note: To ensure long and reliable service, carry out the fol-

lowing maintenance regularly.

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.

When disassembling the saw chain, take care that the chain

is first loosened with the chain tensioning ring (11). Disas-

sembly of the chain saw without first loosening the saw chain

can damage the chain saw.

Bosch Power Tools F 016 L81 829 | (28.11.2019)

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Bosch UniversalChain 40 Seite 21

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