Adjust Cold Starting System; Adjust Fast Idle - Toyota 3b Repair Manual

Y
FU-59
Woodruff
Key
FU21
26
15.
[w,z ACSD]
ADJUST COLD STARTING SYSTEM
(a)
Remove
the
overflow screw
and
check
the
fuel
temperature in the fuel pump.
Fuel
temperature:
1S
-
3SoC (Sg
-
gSoF)
(b)
Set the woodruff key on
the pump drive shaft
in
a
vertical or horizontal position.
(c)
(d)
(e)
(f)
Set
the
scale of the timer measuring
device to
zero.
Check the adjusting lever opening angle and consider
this angle
as
zero.
Remove the metal
plate put between the cold starting
lever and thermo wax.
Torque the cold starting lever clockwise to approx. 50
kg-cm
(43 in.-lb, 4.9
N.m) and
keep
the
lever
tightened
for
about
1O seconds. Then
release the
torque.
16.
(g)
Measure the timer piston stroke.
lf
not
within
specification, adjust
with the timer
adjusting
screw.
HINT:
Screw in for stroke
decrease.
Fuel temperature
Clearance
1soc
(sgoF)
1.9
mm (0.075
in.)
40oc
(104oF)
O
mm
(O
in.)
(b)
Adjust the fast idle adjusting screw.
ADJUST FAST
IDLE
(a)
Measure the
clearance between
the adjusting
lever
and idle speed adjusting screw.
E
E
o
:
o
a
o
a
ii
o
E
F
FU2127
FU2312
@h{p*o
ldle
Speed
usting Screw
Fast ldle
Adjusting
Screw
FU2120