block)
onlo
Ihe
nyweight
su
ppo
rt,
and measure
the distance
be
tweeD
the end
face
of
gove:r-nor
housing and the
nang
e of control block. This
distance
~
pre
sc
ri
b
ed
to
be from 15
mm
(0.591
in.)
<0
15,2
mm
(0.598
'in.); if not, adjust
it
by
'himming. The ,him , tock for this purpose
is
avail,ble
iJ1
three size
s:
0.2 mm (0.
0078
in.), 0,3
mm
(0,0]18
in
.)
and 0.4 mm (0.0157 in,).
l·GovernOr ,Ieelle
2-CoMTO'
block
[
c;+1}.2
• 0
3·Govs-rnor
housi~
Position
of
control
block
•
Pressi(Jg
ball
bearing i
nto
governor
sfeeYe
*
(i)
'-Conuol
block 2·
lnner
ring
1UPPOfti"lJ toOl
Pressing
control
block
i
nto
ball bearing
DISASSEMBLY
AND
REASSEMBLY
(3) Check to
be
SUr
. thai I
he
adjusling screw in Ihe
swiveling lever is positioned as
pI(~scrJbedi
if
'he
screw js
to
o far in Or
QUL,
adjust it
by
referri
ng
to
the
va
lue indica
ted
in the
lis
t
of
adjus(ing standards
so
thal
~he
governor adjuscing work to be carried
out after
re
ass
-embly
w
ill
be
made
easier.
Checking po
si
tion
01
adjusting
scrrwlo
'
in
swivelin9
le\rer
(4) Make sure thaI each lever and link set
in
position
mOYeS
smoothly without unduly
hea,-,y
reSLs.tanc.e,
After securing the
go\'crnOi
cover to the housing.
check
to be
Slire
that tensIoning and ielaxmg
Ihe
start Spiing cause the control rack to slide outward
and inward
smoothly
.
Injection pump disassembly, inspection and reassembly
(1) G.nernJ rules
on
work
Q..
M3ke
a balch
of
washin~
fluid available ror ready
use,
For the W
as.h
Ltl
g
fluid
,
use
cl
ean
kerosme
Or
diesel fuel oil.
b. Work
in a clean place. The injec.tlon
pump
is
:j]
preC'ision-machine component. and,
as
such,
abhors
dust. After removjng
it
from
the
engine, wash
ils
exterior
clean
and
im~ct
for damage: ti
llS
should
be .ccomplished before starting 10 disassemble
I~'
pump.
c. Sorne
jobs
ilre
prescribed to
be
effected with
the
use
of
special tools ..
Use
of
common tools
is
not
permitted.
d.
H<Uldle
each plunger and
it'
cylinder (banel)
as
,
suit, and e
il
ch delivery
valve
with its seat as another
suit.
Upon
removal or
tltese
parts, have them
sat
aside:
as
di!:
tiil
tt
suits iden
UfLed
for the cylin
der
numbers.
e. When inslalling the delivery valve
halder,
be
ole
efu]
not
to
overtighten
it
or the
pump
housing
will
break, A sticky
conlrol
rack
is
often
due
<0
an
overtightened
val
ve
holder.
Use
a
torque
wren
cb.
and
tighten it
to
th
is torque limit:
111
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