Murphy MC-900 Series User Manual

SERIES MC-900 MURPHYMATIC®MANUAL GENERATORENGINE CONTROL SYSTEMDESIGN, INSTALLATIONAND OPERATING MANUALMC-9142NRevised 12-00Section 40(00-02-0202)DISC

8been adjusted for proper running speed, turn ModeSelector switch OFF.(e) All lights on the back of the MC-900 should go off andthe engine stop. If

7-1.2 Other tools which may be required are:7-1.2.l AC/DC Voltmeter for taking voltage readings and anOhmmeter for testing resistance of wires and c

Input13.8Voltage27.6Input13.8Voltage27.6Input13.8Voltage27.6Input13.8Voltage27.6101 13.8 27.6 13.8 27.6 13.8 27.6 13.8 27.64 000000005 13.8 27.6 0 0 0

Section 8: Replacement Parts8-1 Replacement Parts8-1.1 Table 8-1 covers all of the replaceable components ofthe MC-900 Series Generator Engine Contro

Table of ContentsSection 1: Introduction page 11-1 System ...

Section 1: Introduction1-1 System.1-1.1 The MURPHYMATIC®Manual Generator EngineControl System, Series MC-900 is designed to meet therequirements of t

3-2 MC-900.3-2.1 Control / Display Module. The Control / DisplayModule, figure 3-2.1, includes the control and test switches,the solid state logic

or Start and no shutdown TATTLETALE®circuit is latched on.This can be used to signal that the generator engine is ready tostart or is running.3-3 MC-

45-1/2 in.(140 mm)3-3/4 in.(95 mm)3/16 in.(5 mm) dia.4 places5-5/8 in.(143 mm)2-13/16 in.(71 mm)3 in.(76 mm)3-3/8 in.(86 mm)6-3/4 in.(171 mm)9-3/8 in.

51526427284293031323334FUSE B+ OUTB– TO HOURMETERB GROUND MAGNETIC PICKUPLOW OIL PRESS.GROUNDHIGH WATER TEMP.SPARE #1 SHUTDOWN INPUTSPARE #2 SHUTDOWN

61526427284293031323334FUSE B+ OUTB– TO HOURMETERB GROUND MAGNETIC PICKUPLOW OIL PRESS.GROUNDHIGH WATER TEMP.SPARE #1 SHUTDOWN INPUTSPARE #2 SHUTDOWN

7across the coil to suppress reverse voltage that is generatedwhenever the inductive load is de-energized. This will protectthe electronic components