Inspect And Adjust Boost Compensator Characteristic Tendency - Toyota 2L-T Repair Manual

F U-38 FUEL SYSTEM
-
Injection Pump
14. (2L-T)
INSPECT AND ADJUST BOOST COMPENSATOR
CHARACTERISTIC TENDENCY
(a)
Apply pressure to the boost compensator.
(b) Measure injection volume.
Austria
Others
Pump rpm
-
3
-
0
>
C
0
~~
.-
4-
o
Boost Pressure
-
Q
.-
C
(a) Adjust full-load injection
(d) Adjust boost compensator
volume characteristic
(b) Adjust full-load minimum (e) Adjust boost compensator
injection volume characteristic tendency
(c) Adjust.cold starting injection
volume
F U Z ~ ~ ? 67012
FU2973 68899
1
Austria
I
500
1
0.41 (5.9,40)
1
200
1
14.6
-
15.4 (0.89
-
0.93)
1
I I
I I
Others 1,200 0.14 (1.9, 13) 200 1 1.2
-
12.0 (0.68
-
0.73)
I
Item
la-
Sub Spring
-
Boost pressure
kg/cm2 (psi, kPa)
Pump
rpm
(c)
(Austria)
I f the injection volume is not as specified, replace the
sub spring of the boost compensator with one with
different spring constant.
Spring constant: 1.2 kglcm (1 .O4 Iblin.)
1.4 kglcm (1.22 Iblin.)
No. of measuring
strokes
Injection volume
cc (cu in.)