Yanmar EF-494T - Fuel Injection Pump

3 ENGINE 3 ENGINE
EF494T TM 06/2011 edition
84
Replacement intervalEvery 300 operating hours
or 6 months, whichever is earlier
Every 300 operating hours or 6 months,
whichever is earlier
(B) Fuel
filter


3.1.5 Fuel
injection
pump
(Type
MP4
direct-
injection
pump)
A mono-plunger
pump where, in
response to the
signal from the
actuator of the
Eco-governor, a
pinion rotates the
plunger to adjust
the relative
positions of the
plunger notch and
the fuel port,
thereby
controlling the
fuel injection
quantity.
(C) Fuel injection
pump 

