Yanmar 4LHA-HTP Operation Manual page 411

Chapter 3 Fuel Injection Equipment
10. Test Bench Adjustment of VE Pump
Idling
Fig. 24
2. VE Pump Special Specifications
a) Pump equipped with load timer
For a pump equipped with a load timer,
move the control lever in the idling direction
until the specified fuel injection quantity is
reached at the specified test speed, and fix.
Then, adjust the governor shaft so that the
timer advances as specified.
Idling
b) Electrical shut-off
(1) Actuating voltages.
Check, as follows, at speeds as specified in
the test standard.
Raise the voltage from O volts until the
• magnet actuates. Note the voltage and
compare with the specifications.
(2) Fuel injection stop control
Cut off the voltage at the specified speed
and ensure the fuel injection quantity is
zero.
3-1-54
i 4LHA Series
Maximum-speed
Maximum-speed