Figure 30.
Conveyor Assembly Directional Control Valve.
o Shut down the hydraulic system. Disconnect the hydraulic oil lines from the
conveyor motor.
Install a tee connector and pressure gage between the oil
lines (Fig. 31).
Start the primary or backup hydraulic system and operate
the conveyor system in both directions.
The pressure gage must indicate
pressure in both directions. If line pressure was indicated in one direction
only, you must repair or replace the hydraulic oil lines from the motor to
the hydraulic control panel.
If pressure is indicated in both directions,
the conveyor hydraulic motor must be replaced.
Figure 31.
Tee Connector and Pressure Gage.
You have found the hydraulic problem in the conveyor assembly that caused the
conveyor chain not to move. Backup one step to where the problem was hydraulic and
not electrical. Now the problem is electrical, troubleshoot the electrical system.
37
OD1737
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