Toyota 1HD-FT Repair Manual page 172

ENGINE - FUEL SYSTEM
EG-159
FU0244 flJ024S
(b) If the pressure is low. adjust by lightly tapping the
regulator valve piston while watching the pressure
gauge.
HINT: If the pressure is too high or if the regulator
valve was tapped in too far. the regulator valve must
be replaced.
6. CHECK OVERFLOW VOLUME
Measure the overflow volume at the below listed rpm.
Pump Overflow volume
'Om
cc/min. (eu in.fmin.)
1.800
'.292 - 1,942 (78.8 - 118.5)
HINT: Always use the overflow screw installed on the
pump to be adjusted.
7. RELEASE COLD STARTING SYSTEM FOR NEXT
INSPECTIONS
(a) Using a screwdriver. turn the cold starting lever coun-
terclockwise approx. 20°.
(b) Put a metal plate (thickness of 5.0 - 8.0 mm (0.20 -
0.31
in.))
between the cold starting lever and thermo
wax plunger.
HINT: Keep the cold starting system released until all
measurements and adjustments are finished.
Piston strokes mm lin.)
0.63 - 1.6310.025 - 0.064)
3,24 - 4,2410. 128 - 0.167)
5.85 - 8.8510.230 - 0.2701
7.7 - 8.7 (0.303 - 0.3431
0.22 - 1.22 (0.009 - 0.0481
2.83 - 3.83 (0." 1 - O. 1511
5.44 - 6.44 (0.214 - 0.2541
7.7 - 8.7 (0.303 - 0.343)
1,080
1.440
1.800
2.000
Pump.pm
1.080
1.440
1,800
2.000
Ilem
wI
BACS
w/o
BACS
HINT: Check that the hysteresis is within 0.3 mm
(0.012 in.).
(c) Using a 5 mm hexagon wrench. adjust by turning the
timer adjusting screw.
6. ADJUST TIMER
(a) Set the timer measuring device at zero.
(b) Measure the timer piston stroke at the below listed
rpm.
~,.
5
mm
- --<~:::::'f--
Hel(agon
Wrench