o Set the MASTER switch to the OFF position and disconnect the hydraulic
control panel connector.
Turn the MASTER switch to the ON position and,
using a multimeter, test for voltage by placing the red probe in socket B and
grounding the black probe (Fig. 32). If the multimeter indicated no voltage,
lead 10 to the hydraulic control panel is defective and you must notify
support maintenance.
If the multimeter indicated voltage, set the MASTER
switch to the OFF position, reconnect lead 10 to the gage panel, and continue
to troubleshoot the system.
Figure 32.
Conveyor System Panel Connector Test Point.
o Disassemble the hydraulic gage panel. Disconnect lead 10 from the conveyor
control switch, place the red probe of the multimeter in lead 10, and ground
the black probe (Fig. 33). Set the MASTER switch to the ON position and test
for voltage.
If no voltage is indicated, lead 10 is defective between the
conveyor control switch and hydraulic gage panel connector and you must
repair it. However, the multimeter indicated voltage, set the MASTER switch
to the OFF position, connect lead 10 to the conveyor control switch, and
continue to troubleshoot the system.
o Disconnect lead AAA from the conveyor control switch, place the multimeter
red probe in the switch, and ground the black probe (Fig. 34).
Set the
MASTER switch to the ON position, the conveyor control switch to the IN
position, and test for voltage.
If no voltage is indicated, replace the
conveyor control switch. However, the multimeter indicated voltage, set the
MASTER switch to the OFF position, connect lead AAA to the conveyor control
switch, and continue to troubleshoot the system.
38
OD1737
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