Toyota 1HD-FT Repair Manual page 179

EG-'66
ENGINE - FUEL SYSTEM
EG
5mm
Hexagon
Wrench
Governor Shaft
(g) Slowly move the adjusting lever from the maximum
speed side to the idle speed side. and secure it at the
point where the pump inner pressure begins to drop.
(h) Measure the injection volume at the drop point (start-
ing point).
Pump rpm
No. of measuring Injection velums of each cylinder
strokes
cc leu in.}
',BOO
200
Measured value at step
(f)
minus
1.0 fO.061
±
0.3 fO.021
"""
(i)
Using a 5 mm hexagon wrench. adjust the load sens-
ing timer by turning the governor shaft. and do the
measurement again as specified.
HINT: The injection volume will increase approx. 3 cc
(0.2 cu in.) with each 1/2 turn of the governor shaft.
Item
Pump
No. of mesuring Injection volume of each cylinder Timer piston stroke
'pm strokes
cc leu in.) mmlin.1
w/BACS ',440
200
Measured value at step
If)
minus 1.56 2.56
3.8 (0.231
±
1.0 (0.06) (0.061 - 0.1011
w/o
BACS
',440
200
Me8Sured value a1 step 10 minus
'.29 2.29
3.810.231
±
1.0 (0.061
(0.051 - 0.090)
HINT: The end point is hard to identify, so use the
methods used in the chart above.
(k) When the adjusting lever is moved slowly from the
maximum speed side to the idle speed side.
wI
BACS:
Pump rpm
Tim.r pilton Itroll. mm(in.)
1.440 0.77 1.77 (0.030
0.069)
wlo
BACS:
Pump rpm Timer pillon Itrokl
mm
(in.)
1M.
1.45 - 2.45 (0.057 0.096J
If the timer stroke is not as specified when the load
sensing is at maximum retard Zlngle, select a new
governor sleeve.