SECTION 3 - CHASSIS & TURNTABLE
3121813 – JLG Lift – 3-61
Start Battery
The RBS requires a 12V lead-acid start battery (not sup-
plied with the system), which provides starting power and
power for the RBS controls.
This battery is charged by the engine dynamo and
dynamo regulator when the engine is running.
Engine Starter
The engine is equipped with a 12VDC starter, which pro-
vides the mechanical power to crank the engine. Electrical
power for the starter is provided by the start battery.
The starter is energized by the start control relay.
Start Control Relay
The start control relay energizes the solenoid of the
engine starter and the pull coil of the engine fuel solenoid.
The start control relay is energized by the engine/genera-
tor controller from pin J2-4.
The start control relay is located on the fuel solenoid
bracket on the right side of the engine.
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