Toyota B - Injection Pump Adjustment and Test

-
FU-44 FUEL SYSTEM
-
lniection Pump
FUI 71
3
FUl
804
ADJUSTMENT
OF
INJECTION
PUMP
1. PRE-TEST
CHECK
AND PREPARATION
(a)
The
specifications
for test
nozzle
and
nozzle holders
are as
follows.
Test nozzle: DN 12
SD
12
Test
nozzle holder valve
opening
pressure:
145
-
155
kg/cm2
12,062
-
2,205
psi,
14,220
-
15,2OO kPa)
(b)
Check the
accuracy of the tachometer.
Allowable
error:
*
40 rpm
(c)
lnstall the angle
gauge
stand.
(d)
Mount
the
injection
pump
body
on the
pump
tester.
HINT: Place
a
mark
on the
key
groove
portion
of
the
coupling.
(e)
lnstall
an
injection
pipe
with the
following
specifica-
tions.
Outer
Diameter: 6.O mm
(0.236
in.)
lnner
diameter:
2.O mm
(0.079
in.)
Length:
84O
mm
(33.O7
in.)
Minimum
bending
radius: More than 25
mm
(O.98
in.l
(0
Connect the
fuel inlet
pipe
with
an adapter.
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Fuel
lnlet Pipe
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