Fuel Pump Assembly Inspection - Segway VILLIAN SSV Series Service Manual

ELECTRICAL SYSTEM
I
H
L
F

Fuel pump assembly inspection

◆ Structural drawing of the front view of the fuel pump
◆ Definition diagram of pin function of fuel pump
◆ Remove the driver's seat assembly and the lower
◆ Move the fl oating rod to check if it can move freely.
J
◆ Connect the multimeter to the middle two pins of the
Lowest point (L point)
Highest point (H point)
◆ Use the pressure gauge【F】to test the pressure
W380224A-
◆ If the resistance reading shows unstable, please
◆ If the fuel pump supply pressure test does not meet
14 - 40
assembly【J】.
electrical connector【I】.
cover of the driver's seat then use a multimeter set
to the resistance ohm position to check the fuel level
sensor of the fuel pump according to the following
steps.
The float assembly should be able to return to a
lower position freely. If not, please replace the fuel
pump.
cable plug【D】to test the fuel position sensor. The
multimeter displays 235±5Ω on the full fuel position
【H】, and 40±2Ω on the empty fuel position【L】.
of the fuel pump supply port, and the test pressure
value is 330±17Kpa under the power-on state.
Test
Type
pressure(Kpa)
300
JK
A882CHT 300
!
clean the resistance wiper with alcohol and retest.
If it is still incorrect, please replace the fuel pump.
the requirements, please replace the fuel pump.
Height（mm）
Resistance (Ω)
Height（mm）
Resistance (Ω)
Flow Electric
（L/h） current(A) pressure(Kpa)
110-
5.5
140
≥100 ≤5.8
41±4
40±2
186±5
235±5
Sealing
550-850
330±5%