Gravely 424 - Page 7

I'tAlN
FUEL
AOJ.
NEEOLE
-T
t=.
USE
REPAIR
KIT FOR
RECONDITIONINE
@.-@r
\IDLE
FUEL
ADJ,
I{EEDLE
Y
THROTTLE.SHAFT
ASSEl-1BLY
tJ
'@--
(:-)
.FLOAT
[,----)\'o*,-
CHO(E
Ass0'431Y
L.
figure
2
-
Cqrburetor
Disassembly
of Carburetor
l. Remove
carburetor
from
engino'
2, Remove
bowl nut,
gasket
and
bowl.
3.
Remove
float
pin,
{oat, needle and
needle seat.
Check
foat for dents,
leaks and
wear on
float lip
or
in
float
pia
holes.
4. lemove
bowl ring
gasket.
5.
Remove
idle fuel adiusting
needle, main fuel
adiusting
needle and springs.
6.
Do
rct
remove erhake
and throttle
plates
and
shafts.
If
these
parts
are
worn,
replace carburetor
assembly.
Assembly of
Carburetor
1. Iqstall
needle
sea! aeedle,
float and
foat
pin.
2,
Set
float level. lffith
carburetor
castiug inverted
and
foat resting
lightly
against needle
ia
its
seaX
there
should
be lUM"
plus
or minus
f/32 of an inch
clearance
between
machined
surfac.e
of
casting
aa{ free
end
of float
(side
opposite
nedle
seat).
3.
Adiust
by beading
lip
of
float
with
small
screwdriver.
4,
Install uew
bowl
ring
gasket,
new
bowl
nut
gasket
(when
required)
and bowl nut.
Tigbten
securely
alter
making sure
bowl is
crentered
on
gasket.
5. Instatl main
fuel adjustment
needle.
Tura in
until
needle
seats in
nozzle
and
back
out
two
turns.
O. ]15tatt
idle fuel adjustrrent
needle.
Back
out approximately
Ut turn
after
seating
lightly
against
jet.
CALI'IION:
DO NOT
USE FORCE
ON ADIUSTMENT
NEEDLES.