Mitsubishi 4DQ50 Service Manual page 52

injection pump is adjusted as the dotted line shown in the above figure so as to obtain large
torque as much as possible at NI within the low r.p.m. limit.
As aforesaid, without the control given by the ungleich device, if the engine is driven at
high-speed r.p.m. N2 full-load, surplus fuel will
be outlet with smoke.
The ungleich-spring and the stroke thereof shall be adjusted so that the jet volume will
meet the fuel consumption at the full-load condition, in other words, the fuel demanding
curve and the outlet curve shall be adjusted so that they may be in conformity with each
other at the time of full-load.
5. Stoppage of engine
An engine having a governor without a stop-device will be stopped by transferring
control-lever of the governor to "STOP" regardless of the position of the flyweight. Slightly
before the control lever reaches "STOP" or before the knuckle come in touch with the
topper-bolt the boss of the swivel-lever will push the guide-lever and transfer the control-rack
of the injection pump to "STOP" through the guide-lever, the floating-lever and the link
(Fig. 11).
Full-load
Idle
Start STOP
Stapper-bol t
Fig. 11
In a governor with a stop-device, control-lever may
be
transferred to "STOP" by moving
the stop-lever to "STOP" regardless of the positions of the flyweight and other lever
mechanisms (Fig. 121.
By means of the two stoppage system the engine will be stopped without jet fuel.
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