Makita Dolmar DCS460 Repair Manual page 23

10 TANK
9
10
Disassembly
To remove the tank it will first be necessary to
remove the carburetor, pull the fuel line out of
the carburetor bottom, pull the Bowden cable
out of the intake manifold and carburetor
bottom (08 CARBURETOR) and remove the
vibration and impact dampers (09
8
VIBRATION DAMPER).
If the saw has handle heating, the heating
cable will likewise need to be removed.
Pressure test
Connect the over/underpressure pump to the
fuel line 8.
Set up a pressure of max. 0.3 bar.
If the pressure drops off, check the following:
•
Air valve
•
Fuel line at tank entry
•
Tank cap seal
•
Check tank for holes
Vacuum test of air valve 9
Connect the over/underpressure pump to the
fuel line 8.
Close off the installation opening of the air
valve with your thumb (dampen it slightly).
Set up a negative pressure of max 0.025 bar.
This negative pressure must not change as
long as the opening is sealed. When you take
your thumb off the air valve, the negative
pressure must quickly return to normal.
Parts
To remove the suction head 10 pull it through
the tank opening with a hooked wire.
Note: Do not use pliers,as this may damage
the line.
Then carefully pull out the fuel line 8 (hold
briefly).
To pull out the air valve 9 lever out the toothed
washer with a small screwdriver.
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