Removal
2)
Disconnect negative (–) cable at battery.
3)
Remove injector cover.
4)
Disconnect fuel injector connectors (1) and glow plug connectors (2) of No.3 and No.4 cylinders.
6)
Disconnect return hose (1) from venturi (2) on injection pump.
7)
Plug disconnected hose and venturi of injection pump with cap available as a spare part to prevent them from entering dust. (Refer to “Precaution” under
Fuel Delivery System Description:K9K
for parts number and handling.)
8)
Disconnect connectors from fuel temperature sensor (1) and fuel flow actuator (2).
9)
Remove fuel flow actuator screws (3).
10)
Pull out fuel flow actuator by hand using small successive turns.
CAUTION:
Do not use fuel flow actuator connector as a lever arm when turning fuel flow actuator.
Installation
For installation, reverse removal procedure noting the following.
•
Do not apply to O-rings of fuel flow actuator with grease or used diesel oil. Apply oil (spare parts) to O-ring of fuel flow actuator.
•
Tighten fuel flow actuator bolts to specified torque.
Tightening torque
Fuel flow actuator bolt
(
a
):
5.5
N·m (
0.55
kg-m,
4.0
lb-ft)
•
Use new high pressure pipe of No.4 cylinder referring to
High Pressure Pipes Removal and Installation:K9K
.
•
Check fuel leakage referring to
Fuel Leakage Check:K9K
.