8-4 LeeBoy Model 8616 Conveyor Paver
Troubleshooting
SYMPTOM CAUSE REMEDY
Feeder does not work on
one or both sides
Defective switch Replace switch
Solenoid defective Replace solenoid
Feeder drive chain broken Repair chain
Defective conveyor motor Replace motor
Rear conveyor shaft broken Replace conveyor shaft
Feeder ight bars hang up Flight chains too loose
Adjust. If adjusted all the way and a link is removed
you must install a 1/2 link
Feeder drive chain too loose Adjust every 100 hours
Loss of power to drives Relief out of adjustment
Check pressure. Conveyors, augers, cylinders,
generator pressure = 3,000 PSI, Standby load
sense = 325 PSI
Piston groups worn out Replace
No charge pressure
Check charge pressure.
Charge pressure = 320 PSI
Electric Screed heating
system will not operate at
all.
Control box power switch not in
ON position
Ensure that the screed operator control box Power
switch is ON
Breakers are in a tripped
position with no breakers
showing a tripped condition
Ensure all element breakers are in their “set”
position with no breakers showing a tripped
condition
Generator malfunction See “Generator Voltage Testing” on page 7-16
Electric Screed heats, but
one screed section does
not.
Screed section not plugged into
bottom of control box out puts
Ensure the screed not heating is plugged into the
bottom of the control box out puts
Element breakers for screed
section in a tripped condition
Ensure the element breakers for that screed
section are not tripped
Faulty element relay See “Testing Element Relays” on page 7-17, or
“Element Resistance Testing” on page 7-18
When starting the electric
heat system, it will not stay
running long, or at all.
Heat system timed out See “Element Connections” on page 6-24
Electric Screed is heating,
but never gets hot enough
to pave.
Elements improperly clamped Go over proper element installation procedures,
and ensure elements are clamped properly
Generator malfunction See “Generator Speed Tuning” on page 7-16
See “Generator Voltage Testing” on page 7-16
Electric heating system
seems to be working, but
the light isn’t on.
HEAT ON indicator light is
burned out
Replace the HEAT ON indicator light
Elements have been tested
but the breaker still trips.
Faulty element wiring Test or inspect element wiring
Table 8-1. Paver Troubleshooting (Continued)
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