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(3) Remove bolts (9) ,ecuring the
mounting
nange
o.
the injecUon pump
to
the engine front
plate,
and
take down the
injection
pump unil.
Installation
9·Solt Ind washer
Removing injection
pump (3
)
(l)
Alignment marks (tine marks) are prOvided on
the
pump body <lnd mounting flange. Make sure that
these marks
are
lined up. With the pump gear ,nd
idler ploperly positioned in their
meshed
condilion
inside lile timing gear case, that is, the match
marks on these ge31s
indexed
to
each
other. mount
the injection pump
unit
on
th~
engUic
front plate
and
secure
it
by
~ghten.ing
the
mounting
bolts.
(2) Install
fuel
feed pipe, and
lube
oil pipe,
and
reconnee!
all
but
No.
1
fuel
inje
ction
Pipe
.
(l)
Turn
over
en~c
crankshaft 'lowly until
the
plunger in
No.
I
pumping
element cames
to
the
pOSition
for
"beginning of injec
(ion."
Check to be
sure thai
the timjng
mark 011 crank puUey
is
matched to (he mark on
the
timing
gear
case;
if
not
,
a.djust
the
mou.nted.
position
of the pump
in the
foUQwrng
manner
:
Setting injection
timing
DISASSEMBLY
AND
A
EASSEMBLY
(4)
T!.lting
the p\lrnp toward the engine advances
the
liming,
and "ice versa
.
Refer to the gr:adulltjon
macKs
pro\;ded
on
the edge face
o
f
the
mountmg
flange:
one division is equivalent
to
6 dtg.
of
crank
angle
.
(5)
Having m,de
S"ro
that
aU
timjng marks arc
matched as
preSCribed
and
tha. the
be~nlng
of
injection
is
correctJy timed (in refe rence:
10
No. 1
cylinder)
, reconnect
the injection
pipe
(No.
1)
.
Prime the fue
l
circuit
in
the
manner
previously
describ
ed: make
sure that no
air
remains trapped
irl
any
part
or
the
circuit.
(
NDT£]
Whether
the
injection
pump
is
correctly
instaU·
ed must be
chec~ed
by
actually
PJ
nning the
engine. Run the engine
in aU speed
ranges;
Usten in
for
abnorm~l
noise
and
examine the
color of
exhausl
smoke. Evidence
of
malcondi·
tiOllS
noted
could
be due to mistuned fuel
injecIIon.
feed pump
removal
and
installa.tion
(I) Disconnect fuel feed pipe (I) and return
pipe
(2).
(2) Remove nuts
(3)
securjng
ihe
reed
pump
to tile
injection
pump
body,
and
t.ke off
feed pump
aSSem
bly (4).
1·Fuet
filled pipe
3·Nut
and
w~ihe
r
(3 pC$
' C
I;Deh)
2-Return pipEr
4·Feed
pomp
as~embt'r'
Removing feed pump
107
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