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37
Start-up
2. Pull out (03/B) the rechargeable battery
(03/1).
12.4 Checking the chain tension
Frequently check the chain tension, because new
saw chains stretch.
At operating temperature, the saw chain stretch-
es and hangs down.
NOTE
The saw chain has been tensioned
correctly when:
■
It is in contact with the underside of the guide
rail and can be pulled through by hand.
■
It can be lifted by 3 – 4 mm in the middle of
the guide rail.
CAUTION! Danger of injury due to the
saw chain jumping off!
An insufficiently ten-
sioned saw chain can jump off during operation
and lead to injury.
■
Frequently check the chain tension. The
chain tension is too low if the drive links
come out of the groove on the underside of
the chain bar.
■
Re-tension the saw chain properly if the
chain tension is too low.
12.5 Testing the function of the chain brake
The chain saw has a manual chain brake that is
triggered by the hand guard, for example if kick-
back occurs.
When the chain brake is triggered, the saw chain
is abruptly stopped and the engine switched off.
DANGER! Danger of fatal injury as a re-
sult of negligent handling!
Extremely serious
injury and even fatal injury can be caused as a
result of careless and unexpected movements of
the chain saw.
■
Pay attention to safety and work with a high
level of concentration when using the chain
saw.
■
Do not press any switch when releasing the
chain brake.
WARNING! Danger of fatal injury and
danger of extremely severe injury due to a de-
fective chain brake.
Extremely serious injury
and even fatal injury of the operator can be
caused if the chain brake does not function, e.g.
due to kickback by the running saw chain.
■
Check the chain brake each time before
starting work.
■
Do not switch the chain saw on if the chain
brake is defective. in this case, have the
chain saw checked in a customer service
workshop.
12.6 Function test of the chain brake with the
engine switched off (08)
1. Pull the rechargeable battery out of the appli-
ance, see chapter see
chapter 12.3 "Pulling
out the rechargeable battery (03)", page 36
2. To release the chain brake, pull (08/A) the
hand guard (08/1) in the direction of the han-
dle (08/2). The saw chain can be pulled
through by hand.
3. Push the hand guard (08/1) forwards (08/B)
to switch on the chain brake. It must not be
possible to pull the saw chain through.
12.7 Function test of the chain brake with the
motor switched on (08)
NOTE
Release the chain brake each time
before switching on the chain saw.
1. Hold the chain saw securely and firmly by the
handle and hand grip.
2. Release the chain brake.
3. Switch on the engine.
4. Push the hand guard (08/1) forwards (08/B).
The saw chain and engine must stop immedi-
ately.
Summary of Contents for CS 4030
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