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Starting the engine
Cold-starting
the
DCS 430,431, DCS 520, DCS 540:
The carburetors of these saws have a choke valve for cold
starting (mixture enrichment).
To make it easier to start, the chain saw
DCS
431 is equipped
with a semi-automatic starting valve (W5). Pushing this valve
in reduces the amount of compression effort needed, so that it
is easier to bring the engine up to starting speed when pulling
the starter cable. The high pressure increase in the combustion
chamber that results from the first ignitions will automatically
close the starting valve (button pops back out).
Model DCS 430, DCS 520 do not have a startlng valve.
Starting and carburetor adjustment are as for model DCS
431 except without tho Instruction 'Push tho starting
valve".
-
Put the short-circuit ignition switch in the
' I '
position
(Ell).
-
Pull
out
the choke
(812).
-
Depressthe half-throttle lockbutton
(W3)
half-way andhold.
-
Depress the throttle
(814)
and half-throttle lock button
(en)
all the way. Release the throttle
-
it will now be held at
half-throttle by the lock button.
Push the starting valve
(815)
(only DCS
431).
Slowly pull out the starter cable until you notice resistance
(the piston is positioned before the top dead center).
Now pull the starter cable with a fast and forceful movement
until you hear the first ignition.
-
-
-
CAUTION: Do not pull out the starter cable more than approx.
50 cm. and lead it back by hand.
-
When you hear the
first
ignition, push the choke (BM) in.
Push the starting valve again (only DCS 431) and pull the
starter cable. As soon as the engine is running, press
the throttle
(W4)
to release the half-throttle lock
(W3).
allowing the engine
to
idle.
CAUTION: As soon as the engine is started
it
must be put in
idle to prevent the chain brake from being damaged.
-
22
Now release the chain brake.
-
Move at least 10 feet
(3
m) away from the place where you
\ - ,
fuelled the saw.
-
Makesure you have agoodfooting, and place thesaw on the
ground in such a way that the chain
i s
not touching anything.
-
Engage the chain brake (lock).
-
Hold the tubular handle tightly wlth one hand and press the
chain saw to the ground.
-
Steady the rear handle by standing in the hand guard.
Cold-starting the DCS 520i and DCS 5200i:
The carburetors of these saws have a fuel-injection system
(injection carburetor) for cold starting (mixture enrichment).
These
two
cold-starting systems work differently.
-
-
-
-
.
Put the short-circuit ignition switch in the
"I'
position
(Wl).
Pull out the choke (BE) (opens the injection valve).
Depress the half-throttle lock button
(W3)
half-way and hold.
Depress the throttle
(W4)
and half-throttle lock button
(W3)
all the way. Release the throttle
-
it will now be held at
half-throttle by the lock button.
Note: If the temperature is below
-15"
C (5' F) start at full
throttle.
-
Slowly pull out the starter cable until you notice resistance
(the piston is positioned before the top dead center).
-
Now pull the starter Able with a fast and forceful movement
until you hear the first ignition.
CAUTION:
Do
not pull out the starter cable more than approx.
50 cm. and lead it back by hand.
-
Push in the choke (BM) when the engine
starts,
or after the
first audible ignitions.
-
If the engine has not yet started, keep pulling the starter
<:;
cable until
it
does.
-
As
soon
as the engine is running, press the throttle
(W4)
to
r g
release the half-throttle lock(B/3), allowing theengine
to
idle.
CAWION:
As
soon as the engine
is
started it must be put in
idle to prevent the chain brake from being damaged.
-
Warm starting
(all models):
-
&
Now release the chain brake.
As
described above for cold starting, but without using
the choke (W2). Keep the choke in.
Starting under special conditions
(MAKITA DCS 520i and DCS 5200i only):
In conditions of high ambient temperature and when the engine
has been stopped for only a short,period following fulCload
operation, if afuel with alow boiling point is used (winter fuel). and
at high altitudes especially, the heat could prevent the engine from
starting immediately. If this happens, proceed as follows:
-
Pull out the choke (BE) and start the engine at half-throttle.
as described for cold starting.
-
When the engine has started. release the chain brake
Immediately and gun the engine all the way several times
until it runs smoothly.
Now push in the choke
(812).
-
If
the engine won't start:
If the engine refuses to start even after a number of tries, check
the spark plug (see the section on "Replacing the spark plug").
Stopping the
engine
-
@
Put the short-circuiting switch (ell) in position "0" (STOP).
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