1
I
Fig. 7
Six
cylinder A
type
fuel injection pump
1. Fuel inlet adaptor 2. Fuel return adaptor 3. Fuel outlet valve tightening seat 4. Fuel outlet valve S. Plunger
mate 6. Adjusting rod gear 7. Adjusting ring gear 8.
Inspection
window cover 9. Plunger spring
10.
Oil groove
screw
11.
Pump assembly 12. Fuel pump camshaft 13. Bolt 14. Fuel pump fixing flange IS. Fuel pump gear hub
16. Fuel pump timing plate 17. Nut 18. Fuel pump gear platen 19. Fuel pump gear
The quantity
of
fuel delivered
by
the
bigh pressure
pump
has been adjusted before
letting released
from
factory.
It's
forbidden
to
open
the
high pressure
pump
inspec-
tion
window
cover
to
rotate
the
plunger so as
to
prevent
the
delivered fuel quantity
and
the
fuel quantity in cylinders
from
being changed,
if
necessary,
the
adjustment
should
be o'perated on a high pressure pump
test
bench.
8. 4 Governor
There is a
RSV
mechanical full range·
type
governor. Vehicle diesel engine is equipped
with
a
RFD
full full range - double poles type governor.
The function
of
the
RSV
full range
type
governor is
to
keep
the
speed
of
the
diesel
engine varying in
the
scope
of
fluctuating rate
when
the
load
doesnt
change and var-
ying in
the
scope
of
stable speed adjusted rate
when
the
load changes sQ,that it can
work
stablv.
The high speed position limiting bolt and
low
speed position limiting
bolt
are used
to
.
~
adjust
the
highest idling speed and
the
lowest
idling stabJespeed separately. The fu-
el quantity limiting
screw
is used
to
adjust
the
quantity
of
fuel detivered
to
the
fuel
• 37 •
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