Dolmar PS-7910 Chainsaw User Manual


 
30
12
16
15
13
17
Replacing the saw chain
CAUTION: Use only chains and guide bars designed for
this saw (see the Extract from the spare-parts list)!
Check the sprocket before mounting a new chain.
Worn out sprockets (12) may damage the new chain and must
therefore be replaced.
Remove the sprocket guard (1) (See „PUTTING INTO OPE-
RATION“ gs. B).
Remove the chain and guide bar.
Remove circlip (13).
CAREFUL: The circlip will jump out of the groove unless you
hold it down with your thumb while removing it.
Remove cup-disc (15).
Replace the old sprocket (12) with a new one (16). For the part
number consult the “Extract from the spare parts list”.
Assemble the new sprocket, cup-disc and circlip.
For replacing the guide bar, chain, and sprocket see „PUTTING
INTO OPERATION A-H“.
NOTE:
New chains stretch, so check the chain tension frequently (see
“Checking the chain tension”).
D
C
Replacingthefuellter
The felt lter (17) can become clogged. It is recommended to
replace the fuel lter once every three months in order to ensure
unimpeded fuel ow to the carburetor.
To remove the fuel lter for replacement, pull it out through
the tank ller neck using a piece of wire. Bent wire at one end
to form a hook.
E
Cleaning the guide bar
CAUTION: Protective gloves must be worn.
Regularly inspect the bearing surfaces of the guide bar for
damage, and clean them with a suitable tool.