Generac Power Systems GTV99O Service Manual page 19

SECTION 2: IGNITION
Figue 2-6, Che.k Hwheel And eankshaft
INSTALL FL\ryVHEEL:
Note: CLEAN flwheel and (ankshaft taper removing all
oil, dirt or gtease.
1. Insertflylvheel key into crankshaft.
2. Align keyways and assernble flylvheel to crankshaft.
3. Installwasher and flylvheel nut.
a. Toque fly,vl/heelnut
to 203.0 Nm (150 ft.lbs.), Fiqure 2-7.
4. as5emblefan and retainerto flywheel, Figure 2 8.
a.Torque screws to 2l.7 Nm (192ln. lbs.).
Figure 2-7, Totquing Flwheel Nut
Figurc 2-S.lnsta ing Flywheel And Fan
ENGINE KILL WIRES
The engine kill wires conslst of a grcund wire with a diodefor
each armatureand a separate wire for the carbu retor solenoLd.
The engine killwires are connected to the wirlng harness pro-
vided by the equipment manulacturer
See engine wire diagram, Page 6-3.
TESTiNG GROUND WIRES:
Use a Digital Multimeter (Figure 2-9) to test the ground
wires.
The iollowing test w llbe made with the meter in the Diode Ten
In the Diode Test position, the meter will display the foftvard
voltage drop acrcssthe diode(s). lf the voltage drop is less than
0.7 volts, the meter will ' Beep' once as well as display the volt-
age drop. A continuous tone indicates continuity(shoned diode)
An incomplete circuit (open diode) will be displayed as 'OL. '
2 . 3
Figurc 10. Digital Multinetel