Makita DCS 7900 Chainsaw User Manual


 
Cleaning the brake band and sprocket interior
CAUTION: Before doing any work on the guide bar or
chain, always switch
off
the engine and pull the plug cap
off
the spark plug (see "Replacing the spark plug"). Always
wear protective gloves!
CAUTION:
Start the chain saw only after having assem-
bled
it
completely and inspected.
Remove the sprocket guard
(1)
(See
"PUTTING INTO
OPE-
RATION" figs. 6) and clean the interior with a brush
Remove the chain
(3)
and guide bar
(2).
Unscrew screw
(4)
and remove the guide plate
(5).
Unscrew screw
(6)
and remove the brake mechanism cover
(7).
Clean the guide plate
(5)
and brake mechanism cover
(7).
Use a brush toclean the interior, especiallythe brake mechanism
Make sure to leave no residue in the oil guide groove
(IO)
NOTE:
The brake mechanism cover
(7)
holds the lever
(8)
in place.
Before putting the cover back on, check the lever
for
proper
positioning.
First put on the brake mechanism cover
(7)
and then the guide
plate
(5).
Forreplacing theguide bar, chain, and sprocket see "PUTTING
(11).
INTO
OPERATION A-H".
After assembly, always check the functioning of the chain
brake (see "Checking the chain brake")
NOTE:
The chain brake is a very important safety device and like
any other component subject to normal wear and tear.
Regular inspection and maintenance are important for
your own safety and must be done by a MAKITA service
centre.
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