Toyota 3R-B 1969, Repair Manual

Page: 102 / 193

F U E L S Y S T E M - Car buret or 5-33
a re r e m o v e d , check if these valves ( 0 . 0 3 11) by the variation of one
a re c o rre ctly operating after the gasket shim,
assembly, and then calk the valve
retaining s c r e w ends to prevent
them from loosening.
Adjustment
Float L e v e l
Check the float level at lo w e re d posi­
tion with the Adjust Kit Gauge as
shown in figure 5-69.
F i g . 5-71
Adjusting Fuel
L e v e l
V5271
F i g . 5-69 Checking Float G3140
at L o w e r e d Position
If n e c e s s a r y , adjust the float level by
bending the float tabs as shown in
figure 5-70.
F i g . 5-70
Adjusting Float
T abs
V5268
T h e adjustment of the fuel level is
perform ed in relation to the fuel level
in the float chamber with the level
gauge line alignment, by adding o r
d ecreasing
the needle seat gasket
shims .
T h e fuel level will v a r y about 0. 7 mm
S e c o n d a r y Throttle V a lv e
Initial Opening A n g le
Position the p rim a ry throttle valve at
30° b efore fully-opened position using
the A n g le G auge. A t this time , check
if the throttle shaft link end ( a ) touches
the extrem e end of the g r o o v e ( b )
as shown in figure 5-72 , and if n e­
c e s s a r y , bend the throttle shaft link.
T h e se c on d a ry throttle v a lv e should
not open when this checking is p e r ­
fo rm e d .
A n g le G a u g e
a b
F i g . 5-72 Adjusting Initial G3141
Opening A n g le
F a st Idle
S et the p rim ary throttle v a lv e so that
it starts to open by the throttle va lve
adjusting s c r e w , and then position the
choke valve at fully—closed position.
A t this tim e, the throttle v a lv e should
be opened to 12° from fu lly-closed