LeeBoy 8608 - Generator Voltage Testing; Generator Capacitor Replacement

Maintenance
LeeBoy 8608 Commercial Paver5-30
Generator Voltage TestingGenerator Voltage Testing
The generator is belt-driven (from the engine). When
the engine is running at 2100 RPMs (paving speed), the
generator produces 240 VAC. (Figure 5-27)
This procedure must be performed by
a qualied electrical technician due to the danger of
electrical shock.
Input
Wires
Figure 5-27. Generator Voltage Testing
Test the generator voltage at the generator and at the
electric heat control box:
1. Use a volt meter to measure between the two main
input wires L-1 (black wire) and L-2 (white wire) at
the terminal block, which should measure 240 ± 5
VAC. If you measure from L-1 to the frame of the
paver, or ground, the voltage should be approxi-
mately 120 VAC.
2. If the voltage is lower, make certain the generator is
turning the correct speed by testing with a Hz meter
(valve should be 60 - 63 Hz.
3. If the voltage is still low, contact your authorized
LeeBoy dealer for generator speed tuning (see next
section).
Generator Capacitor Generator Capacitor
ReplacementReplacement
The two generator capacitors control and regulate
voltage while the machine operates. (Figure 5-28) If
the capacitor fails, the voltage will drop below normal or
no output at all. It is located under the generator cover.
If experiencing a drop in voltage, replacing the capacitor
will help determine if the capacitor is at fault.
To perform this procedure:
1. Shut down the machine.
2. Detach the wires on top of the capacitor.
3. Remove the capacitor and replace with new one.
4. Reattach wires.
Main
Input Wires
Capacitors
Figure 5-28. Generator