Chapter 3 Fuel Injection Equipment
9. Pump Reassembly, Adjustment and Inspection
Spring
seat Plunger spring Barrel
Shim
"KF"
Distributor head
Fig.
10
i
4LHA Seriet
8.
Measurement
of Plunger Spring
Set
Length
Install the plunger and plunger spring in the
distributor head without the shim [(48) in Fig.
25],
Push
the plunger bottom lightly in an axial
direction and measure the dimension "KF".
"KF"
is the distance from the end face of the
distributor barrel to the plunger tip. Adjust the
shim
(48) refering to the specified "KF" dimen-
sion.
Cam
Lift (mm)
Dimension
"KF" (mm)
3
2.8
2.5
2.2
2.0
1.56
5.3
±
-
1
5.3
±
-
1
5.3
±
-
1
5.8
6:0
± 1
6.64*
1
1.5-2 mm „ . ^
-H-
Governor shaft
S.
Governor
Shaft
Installation
Install the governor shaft
[(108)
in Fig. 25] so
that
the distance from the end face of the
pump housing flange to the governor shaft end
face
is 1.5-2.0 mm.
For
an injection pump installed
with
a Load
Timer, screw in the governor shaft so
that
the
distance
from the end of the governor shaft to
the pump housing flange surface is 3 mm.
After adjustment, tighten the locknut to the
specified
torque.
Fig.
11
10. Testing Governor Lever Action
After reassembly, manually check the move-
ment of the start lever, governor lever
assembly
and control
sleeve.
Fig.
12
c
3-1-47
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