Engine System - Petrol (Gasoline)204Service Manual – H aram Captor IIIgnition On• When the main machine controller sees the key switch input, it sends 12v out on the Ignition Requestcircuit.• 12v is provided to the common contact at pin 3 of the high coolant temp. shutdown relay and on throughthe normally closed contacts to the fuel pump.• Ignition power is fed to the low oil pressure shut down relay energizing the relay– Since there is no oil pressure, the oil pressure switch is closed causing the relay to be energized. Thisprevents power from being passed to the “engine run” input into the main machine controller.• 12v passes through the fuel select connector from pin 3 to 1 via the gasoline plug connector to the ignitionrequest relay coil.• 12v is provided to the actuator pin 1, which wakes it up.– The actuator provides a switched path from pin 9 to 5. This provides a ground for the ignition requestrelay turning it on.– The ignition request relay passes battery power to the ignition system, carburetor fuel shut off solenoidand the low oil pressure shutdown relay common contact at pin 3.– Solenoid.10AIGN. REQUEST15AMAIN5ACONTROLLERUNUSEDUNUSEDUNUSED UNUSED UNUSEDUNUSEDWOODWARDFUEL LOCK-OFFSOLENOIDN3-0342 ORFUEL PUMPOIL SWITCH(OPEN FORPRESSURE)TEMP. SWITCH(OPEN FORNORMAL TEMP.)SHIELDED WIRERUN ENABLE SIGNALSHUTDOWN SIGNALCRANK REQUEST - BLU/PNK 16IGNITION REQUEST - PNK 16ENGINE RUN (12V INPUT) - GRY 16HIGH COOLANT TEMP. (GROUND INPUT) - GRN/YEL 16SPEED 2 (12V OUTPUT) - RED 16SPEED 3 (12V OUTPUT) - BLACK 16MAGNETICPICK-UP(Engine RPMSensor)STARTERBATTERYALTERNATORIGNITION POWERFOR IGNITERIGNITION CONNECTORFOR PLUGGING INTOKUBOTA IGNITION HARNESSKUBOTAFUELSOLENOIDEG551-44790SPEED 2 (12V OUTPUT)GRY/BLU 16SPEED 3 (12V OUTPUT)GRY/ORG 16SHIELDED WIREWOODWARDAUTO CHOKESOLENOIDSA-4741BLU/LTGRN 16HIGH COOLANT TEMP.SHUTDOWN RELAY1 5 432BLK16CONTROLRELAY1 5 432BLK 16IGNITIONREQUEST RELAY1 5 432RED18POWERRELAY1 5 432RED 14LOW OIL PRESS.SHUTDOWNRELAY1 5 432AEES RN65127FUSE & RELAYBLOCK ASSYCRANKREQUESTRELAYBLK/ WHT 16RED/GRN 16YEL 16SRPNMLFEDCBAKJHGSRPNMLFEDCBAKJHGCONNECTOR # 1PACKARD 16 PIN MALEP/N 15326863(TO NILFISK HARNESS)CONNECTOR #2PACKARD 16 PIN FEMALEP/N 15326868(TO NILFISK HARNESS)WOODWARDL-SERIESACTUATORDEUTSCHCONNECTORDT06-12SARED 18TO PIN ABLK18BLK 18TO PIN BBLK/WHT 16BLK/WHT 16GRY/ BLU 16GRY/ ORG 16RED/BLK14RED/BLK 14RED/BLK 16LT BLU 16LT BLU16GRY/RED 16GRY/RED 16GRY/RED 16GRY 16GRY 16GRY 16GRY 16GRY16GRY 16GRN 16BLK 16RED/GRN 16RED/GRN 16PNK/GRN 16PNK/GRN16PNK/GRN 16PNK/BLU 16PNK/BLU 16PNK/BLU 16 PNK/BLU 16 PNK/BLU 16PNK/BLK 16PNK/BLU 16PUR 16PUR 16GRY/WHT 161 2 310k10k0.047μF0.047μFRED 16BLACK 16DT04-6PFUEL SELECTCONNECTORCT00023DT06-6S (BLACK)GASOLINE PLUGCT00024DT06-6S (GREY)PROPANE PLUGFUEL PUMP (+) - PNK/YEL 16
