Yamaha F90D, Руководство по обслуживанию

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FUEL
Fuel system
4-15
6D81G11
6. Check that the fuel pressure reduces
when vacuum pressure is applied to the
pressure regulator. If the fuel pressure
does not reduce, replace the pressure
regulator.
NOTE:
When the vacuum pressure reaches the
specified level, the fuel pressure reduces.
Draining the fuel
1. Remove the cap
1
.
2. Cover the pressure check valve
a
of the
vapor separator with a rag, and then
press in the pressure check valve
a
using a thin screwdriver to release the
fuel pressure.
WARNING
Always reduce the fuel pressure in the
high-pressure fuel line before servicing
the line or the vapor separator. If the fuel
pressure is not released, pressurized fuel
may spray out.
3. Place a container under the vapor sepa-
rator drain hose, and then loosen the
drain screw
2
.
4. Drain the fuel from the vapor separator
drain hose by pressing the pressure
check valve using a thin screwdriver.
WARNING
Reduce the fuel pressure before loosen-
ing the vapor separator drain screw, or
pressurized fuel will spray out and may
result in serious injury.
Removing the fuel hose clamp
1. Remove the fuel hose clamp by cutting
the crimped section of the clamp.
CAUTION:
If the fuel hose clamp is removed without
cutting the crimp first, the fuel hose will
be damaged.
Installing the fuel hose clamp
1. Crimp the fuel hose clamp properly to
securely fasten it.
WARNING
Do not reuse the fuel hose clamp, always
replace it with a new one.
Disassembling the vapor separator
1. Remove the float chamber, float pin, and
float.
S6D84100
a
1
2