Spraydown Pump (Option)Spraydown Pump (Option)
If equipped withe the optional spraydown system, the
following troubleshooting information is provided for
troubleshooting the spraydown pump. It is mounted
inside its cover on front of the engine box behind the
left side of the operator station. (Figure 5-44)
An electronic pressure sensor displays solid or
ashing LED lights on top of the pressure switch for
pump status notications.
Green:
• Solid green means the pump is spraying.
• Flashing green means the pump is in a stand-by
mode, ready to spray.
Yellow:
• Solid yellow means the pump is priming.
Yellow/Blue:
• Flashing yellow and blue means the pump has
incorrect voltage.
Red/Blue:
• Flashing red and blue means the pump has timed-out
without uid. Cycle pump power to reset.
Red:
• Solid or ashing red light means there is an error.
Consult owner’s manual for troubleshooting.
NOTE: If an overload occurs, the pump stops and a
yellow-greenLEDwillash.Theelectronic
system will try to reactivate the pump at
preset intervals. If the overload reaches a
dangerous level, the red LED will become
solid and you must switch the power off and
start the pump again.
NOTE: When starting the spraydown pump or
emptying the tank, open the bleeder valve
slightly to expel air and facilitate priming.
As soon as the pump is operating, close the
bleeder valve.
Bleeder
Valve
LED lights located on top of the pressure switch.
Figure 5-44. Spraydown Pump
If the spraydown pump has stopped or will not start:
1. Check the effectiveness of the battery power supply
(voltage activity).
2. Check that the fuse has not blown.
3. Check for any foreign material present in the hose.
4. Avoid running the pump dry for more than a few
minutes. (Pumps run dry by the absence of uid are
not covered by warranty.)
5. If the pump does not prime itself:
• Loosen the bleeder valve inside of the cut-out
until the pump primes.
• Retighten the bleeder valve.
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Maintenance
LeeBoy Model 5300B Compact Paver 5-43