PRINCIPLES OF OPERATION.
Lights (Figure 1-18). Mounted forward on the 130G Grader cab are two lower floodlights, two upper
headlights and two turn signals. One blackout light is mounted far forward on the frame. Mounted at the rear of the
engine hood are one floodlight, two stop and taillights, two blackout stop and taillights and two turn signals.
Front and rear floodlights are controlled by individual switches mounted on the operators panel console. Operation of
other lights is controlled by a vehicle light switch assembly mounted at the left of the drivers seat. The headlight dimmer
switch is mounted in the cab floor toward the left of the steering console. It is foot operated. Refer to TM 5-3805-261-10
for light control operation.
Service Meter (Figure 1-19). Mounted at right front vertical section of engine hood assembly. Registers
engine hours. Electrically driven by an oil pressure actuated switch.