Dolmar PS7900H Manual De Usuario

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Starting the engine
Start the chain saw only after having assembled it com-
pletely and inspected.
Move at least 10 feet (3m) away from the place where you 
fuelled the saw.
Make sure you have a good footing, and place the saw on the 
ground in such a way that the chain is not touching anything.
Engage the chain brake (lock).
Hold the tubular handle tightly with one hand and press the 
chain saw to the ground.
Steady the rear handle by standing in the hand guard.
1
3
2
4
6
5
A
Checking the chain brake
Do not work with the chain saw without first checking the
chain brake!
Start the engine as described (make sure you have a good 
footing, and place the chain saw on the ground in such a way 
that the guide bar is free of contact).
Grasp the tubular handle firmly with one hand and hold the grip 
with the other.
With  the  engine  running  at  moderate  speed,  press  the 
hand guard (7) in the direction of the arrow with the back of  
your  hand  until  the  chain  brake  engages. The  chain  should 
stop immediately.
Immediately release the throttle and release the chain brake.
IMPORTANT:  If the chain does not stop immediately when 
you test the chain brake, do NOT use the chain saw. Take 
the chain saw to a DOLMAR service center. 
 
7
C
B
Cold-starting:
Pull the choke (1) out until it audibly clicks. This simultane ously 
actuates the half-throttle lock.
Move the I/STOP ignition switch (3) as shown by the arrow.
Slowly  pull  out  the  starter  cable  until  you  notice  resistance  
(the piston is positioned before the top dead center).
Push the decompression valve (2) (option).
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.
Push the decompression valve (2) (option).
Depress the choke (1) and pull the starter cable again. As 
soon as the engine is running, grasp the rear handle (this actuates 
the throttle stopper (5)) and tap the throttle lever (6). This will 
release the half-throttle lock and the engine will run in idle.
CAUTION: As  soon  as  the  engine  is  started  it  must  be  put  
in  idle to prevent the chain brake from being damaged.
Now release the chain brake.
Warm starting:
As described for cold starting, except before starting pull the 
choke (1) all the way out and back in one time, in order to ac-
tivate the half-throttle lock.
Stopping the engine
Move the I/STOP ignition switch to 
the “STOP” position.