Fuel Pump; Disassembly; Inspection - Segway VILLIAN SSV Series Service Manual

FUEL SYSTEM
A
C
B
A
B
C
D

FUEL PUMP

!
Whenever any maintenance or inspection of the fuel
system is carried out, fuel leakage may occur, and there
must be no welding, smoke, open flames, etc. in this
area.

Disassembly

【A】Oil pump installation screw cap
【B】Fuel Pump
【C】Sealing ring
◆ Remove th e oil p ump installation s crew cap
counterclockwise【A】.
◆ Mark the direction of the fuel pump on the fuel tank,
and remove the fuel pump【B】.
◆ Keep the sealing ring【C】to prevent loss.
!
After removing the fuel pump, please protect the fuel
tank port effectively to prevent debris from falling into
the fuel tank and damage the fuel pump.

Inspection

【A】Cable plug
【B】Full position
【C】Empty position
【D】Pressure gauge
◆ Move the fl oating rod to check if it can move freely.
The float assembly should be able to return to a
lower position freely. If not, please replace the fuel
pump.
◆ Connect the multimeter to the middle two pins of
the cable plug【A】to test the fuel position sensor.
When measuring with a multimeter in the full oil
position, the resistance value shows 160 ± 5Ω, and
when measuring with a multimeter in the empty
position, the resistance value shows 40 ± 5Ω.
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