Drive
shaft
Nut
-
Shake lightly
i3ia-uge
(Force less than 20 N (2 kgf)
[4.416
fl)
Wear
amount
measurement
8.
Check the governor lever and spill ring.
Insert the governor lever ball pin into the hole in the spill
ring. Check that the parts slide on each other smoothly.
9.
Check the plunger springs.
(1) Replace those that have damaged surfaces.
Caution:
Replace both springs at the same time.
(2) Squareness of the spring
Limit:
A
=
2.0
mm
(0.08
in.)
10. Check the pump housing.
(1) Check the feed pump for wear or scratches on the
sliding surface.
(2) Check the threads for damage.
(3)
Wear on the housing bushing
(a)
Fit the nut on the drive shaft as shown to the
left. Lightly shake the drive shaft in the
direction of the wear (lightly pushing by hand)
and measure the amount of wear.
Bushing wear limit:
0.1
mm
(0.0039
in.)
If the limit is exceeded, replace the pump housing.
(Not possible to replace the bushing only)
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