FU-48 FUEL SYSEM Injection Pump
5. INSPECT ROLLER RING AND ROLLERS
Using a dial indicator, measure the roller height.
Roller height variation: 0.02 mm (0.0008 in.)
If the variation is greater than specification, replace the
roller ring and roller as a set.
6. INSPECT FUEL CUT SOLENOID
(a) Connect the solenoid valve body and terminal to the
battery terminals.
(b) You should feel the click from the solenoid valve when
the battery power is connected and disconnected.
If the solenoid valve is not operating properly, replace it.
7. INSPECT PICKUP SENSOR
Using an ohmmeter, measure the resistance between the
terminals.
Resistance: 600 - 800 Q
If resistance is not as specified, replace the sensor.
8. IF NECESSARY, REPLACE OIL SEAL
(a) Using a wrench, pry out the oil seal.
NOTICE: Be careful not to damage to the pump
body.
(b) Apply IN/IP grease to the lip of a new oil seal.
(c) Using a 22 mm socket wrench, tap in the oil seal until
its surface is flush with the pump housing.
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