Chapter 3 Fuel Injection Equipment
10. Test Bench Adjustment of VE Pump
i 4LHA Series
Idling
Idling
Maximum-speed
Maximum-speed
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.
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
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