Dolmar PS-7900 - Manuel (Page 29)

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8
10 11
7
5
4
5
1
6 7
2 3
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 assembled
it completely and inspected.
Remove the sprocket guard (1) (See "PUTTING INTO OPERA-
TION" figs. B) 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).
A
SERVICE
B
Clean the guide plate (5) and brake mechanism cover (7).
Use a brush to clean the interior, especially the brake mecha-
nism (11).
Make sure to leave no residue in the oil guide groove (10)
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).
For replacing the guide bar, chain, and sprocket see "PUTTING
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 DOLMAR service
center.