FUEL SYSTEM - Injection Pump FU-77
(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.
HINT: Always use the overflow screw installed on the
pump to be adjusted.
7. (w/ ACSD)
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 3.5-7.5 mm
(0.138-0.295 in.)) between the cold starting lever
and thermo wax plunger.
HINT: Keep the cold starting system released until all
measurements and adjustments are finished.
8. ADJUST TIMER
(a) Set the timer measuring device at zero.
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