CONSTRUCTION AND FUNCTION
(9) Govemor ch3r8eteristic
lEnd
Of
SHoks
limited by
$IMlvl!!~
\ /
Rac
k
p~ed
in
bvyond
___
r
fl
~
/////
full·load
po.itlo
n b'f H "
start spring
S
"'rt
,
pd
ng;n . ,,;on
-
1
~
Control block
oPPOs.eci
by adaPlor
SQrtl'lg.
Adtplor
spring
yielding
10 t
he
pu
d'l
Adapt
or
~p:i n
g
fully
comp
rsssRd,
co
r
ntol
bloek being oppossd dirK't
by
utMion
Ilt'Vtf
'"
E
" E
r
~
I I \
p"
t.
oor~.
I \
E
'§
k I
",
..
ng
8
e>.
~
J
I
i.
"'-
Maximum
sp
eed co
ntr
ol
ra n
~
(
Te
nsi
on lever
;$
off
full·rood
n
oppe
r.)
n
o·
load positIon
Ad
j
ur;ting
lo
...
er
in
id
l,i'l
g position-
Sratt $pring and
Spe:c:
ified
I.....t-\
K idling speed
idling
spri~
in
lK::uon----f-L._-
_ _
-'-
__
_
L_.J....
___
L....L
__
Pump speed (rpm)
___
(10) Stopping tbe engine with stop lever
The stop device, menlioned
in
CONS
TRUCTION
DET
AILS
,
i,
shown schematically, " mOcialed
with
{he
bottom
end
of
the
control
lever
.
With
the
stop
le"ter
in
norma
l position,
the
c:ontrol
l
ever
has
its
bottom
end
at
the
position
for
normal
governor
operstion
.
Push.ing
down
the
SLOp
lever
1·AdjU9Ung
leve
r
2-Control l
elo't:t
3-Guide lever
6~ontrol
block
1 ·Flywl!ights
8-Swivtling
'e~er
4·T emlon levtr 9-CDntrol spring
5-SI
OP
It!l'er
10-Conuol
rack
StOpping the engine
with
SlOp lever
,.
tillS t
he
conllol lever to pull lbe control
rack
aU
the
way
out
10
the
non-injection position,
thereby
causmg
the
engine
to stop.
lnjec.tion
nOlzle
and
ooz
rle
bolder
Referring
to
the
cross
section
of
the
n07..z1e,
t
he
internal
spac<
of
Ihe nozzle
and
holder
is
filled
with
fuel. The
leakoff line for passing the fuel back to
feed
pump
is
connected to nozzle holder.
The
leakoff
passag
e drilled
out
in
the
holder
is
communicated
to
the
spac
e
above
distance
piece
,
in
which
pressure
spring
is
contained
10
load
upon
pressure
pin
.
The
fuel
inlet, to
whi
ch
lb.
injection pipe (not shown)
is
connected, is provided in the holder. The inlel
passage
extends through lbe nozzle holder and opens out at the
pr
e
s.sure
chamber
formed
in
the
rip
of
injection
nou
l
e.
The
ne
e
dle
valve has its conical face e"posed to the
fuel
In
Ihe
pre
ssu
re
chamber.
In operation. a shot
of
high·pressure fuel reaches
lhe
pressure
chamber
In
the
form
of a
pressure
rise
,
causing
the
needle
to
unseal
$0
that
lhe
fuel
is
forced
out
through the orifice into the precombwlion chamber.
The
pressure
at
which
the
needle
unseats
itself
is
deter-
mined
by
t
he
compressed Slate
of
pressure .pring.
TM
pr
eload can
be
valied for adjustment
by
changing
the
thi
c
kness
of
was
h
er
.
The
internal
matin
g
faces
as
well
is
the
threaded
p
or
tio
ns
are
flnished
to
extremely
cl
ose
toleran
ce
s to ensure the high oil·lightness
req
uired of
this injectlItg unit.
35
To Next Page
Loading...
