FUEL SYSTEM
8-18
2.5.7 Tightening delivery valve holder
(1) Place the pump housing upright, and grab the housing
with a vise.
(2) Tighten the delivery valve holder to the specified
torque.
Tightening delivery valve holder
2.5.8 Inspecting control rack for smooth opera-
tion
(1) Remove the pump housing from the vise and check the
control rack for smooth movement.
If the movement is not smooth, the following defects
are suspected:
· Sliding of the element is poor.
· A foreign substance is present in the teeth
of rack or sleeve.
· The valve holder is overtightened.
(2) Check the injection timing.
Checking sliding of control rack
2.5.9 Installing lock plate
(1) Grab the pump housing with a vise.
(2) Install the center lock plate first and then side lock
plates later.
(3) Tighten the screws to the specified torque.
Installing lock plate
2.5.10 Installing swivel nipple
(1) Install the swivel nipple on the pump housing
(2) Tighten the hollow screw to the specified torque.
Installing swivel nipple
Delivery valve
holder
34.3 to 38.2 N㨯m
{3.5 to 3.9 kgf㨯m}
[25.3 to 28.2 lbf㨯ft]
Pump housing
Lock
plate
Screw
3.2 to 4.0 N㨯m
{0.3 to 0.4 kgf㨯m}
[2.2 to 2.9 lbf㨯ft]
Swivel nipple
Tightening torque
9.8 to 14.7 N㨯m
{1.0 to 1.5 kgf㨯m}
[7.2 to 10.8 lbf㨯ft]