b. Supply Pump Internal Fuel Flow The fuel that is drawn from the fuel tank passes through the route in the supply pump as illustrated, and is fed into the rail. 7YTTP]4YQT-RXIVMSV 6IKYPEXMRK:EPZI *IIH4YQT 3ZIVJPS[ 7':7YGXMSR'SRXVSP:EPZI 4YQTMRK4SVXMSR4PYRKIV 6EMP -RXEOI:EPZI *YIP8ERO 5) c. Construction of Supply Pump (in case of HP3 pump) ‡ The eccentric cam is attached to the cam shaft. The eccentric cam is connected to the ring cam. 'EQ7LEJX )GGIRXVMG'EQ 6MRK'EQ 5() ‡ As the cam shaft rotates, the eccentric cam rotates eccentrically, and the ring cam moves up and down while rotating. 4PYRKIV )GGIRXVMG'EQ 6MRK'EQ 'EQ7LEJX 5() -10-