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FUEL SYSTEM (J08E)
EN07–9
(1)
Unfasten the bolts (4 pcs.) securing the supply pump, and remove the
supply pump, the coupling, and the O-ring from the air compressor.
! CAUTION
Remove the supply pump and the bearing holder case together.
(2)
Unfasten the nut with the coupling flange locked with a vise, and
remove the coupling flange.
(3)
Unfasten the bolts (3 pcs.) to remove the bearing holder case and the
O-ring from the supply pump.
INSPECTING THE COMPONENT PARTS
1.
INSPECTING THE SUCTION CONTROL VALVE AND THE FUEL
TEMPERATURE SENSOR
(1)
Using Hino-DX, inspect the suction control valve and the fuel temper-
ature sensor. If some abnormalities are found, replace the supply
pump.
Air compressor
Bearing holder case
Supply pump
Coupling
Bolt
O-ring
SAPH011060700015
Bearing holder case
Shaft
Nut
Coupling flange
SAPH011060700016
Supply pump
O-ring
Bearing holder
case
Bolt
SAPH011060700017
Fuel temperature
sensor
Suction control
valve
SAPH011060700018