Cadillac 54-6219 1954 Shop Manual page 245

ENGINE FUEL ANb
EXHAUST
iepe rfoi-2
he reaiajos_ec
t.
AccJ.,_
Pump
Adjjstment
Back off iaa
crop end inst idle
screws SO
the
throttle valves
ate
tllv
closed
ftaId the
throttle in chic
position and carefuay
bead the
pump read until
LIme dilmleneioit
frostm the air horn
surface
ro the &Jrsom
ndge of the punt
Plunger
rod l 61/4mm
es
shown in Fig.
12' -13.
NCiTtc.
If thIs adjuate:en
greop
separateJy
the
rst
Idle screw must
as
It:
paragrpah ''1" &low.
d
Atrnosph,ic
WIe Veet
NOTE;
ThLs edjuatment is
fenpnrta.it cause it ineurea pee
evn Opening
nt closed titrortie
le;set,an the possiogjity
or
porcalutiun
1. Place
ooa'
end ofwire
gaige Tool No.
j-S195,
between tl:e tu4o:rue
reive end the prime
ry bore of
the throttie
y
the side
°PPOsite the idle od
-
Justit:g screws,
2. Close the titrorrue
ageunat flea gauge
ataj bend
the atmosplric
'/ent conct arm
oeing Tl
Nc
7
t
en eec 5 time
atmoepheric cMm
valve hi the bow]
cover rig. i2._l9
e.
Choke Modifier
Aaiusiment
2.
Loos0o thetm:ioeter
Jet-er reroinfng
stcrew
Rotate metal
pointer eei.prt,rt.,sk...
from free
pasftlon ore ii then
n nero:
spring e
to close
Choke valve Cnntintio
cotumnr&i
cnn I
nie-ni
kcer
ilnee
with the index
posiLresm o:i thernto_
stat cover.
3. Tighten retait:jt,
screw
Pcst idle
Adiustnent_ccirbu,
OW Engn.
Move the fox: idle
can: so char cho
is ftthly
elCeed
2. I bid tile
llmrottle lever in
the c}cmaed position
that tt,e last idle
se Yew re5.5 na
higes step of
fast idle c'eta:,
F mg t2_t9 id i Vot
Aa
ioafrnent
1. Cloae prinlar3,
throttle
& eertarn throttle
valves ere eaetetJ
in their heres
3.
djuer fast Idle screw
to oheaiam
cicea-ance of
.026"
&twcen
the throttle
valves
str
she
rirfmarv
la're of the throttle
lsjy
on
the side crasite
the
idle adjosting
tleedles,
Gig. 12-20.
Measure the
thretc}e opening
with
Tool No. K4Lub3
c-l.a.' w.,
cMta.ca
V
2-to
Saw Idle Ad
j