Conveyor Assembly Faults.
There are four different malfunctions that could occur in the conveyor assembly.
Each of the troubles have there own starting point. The malfunctions that you will
troubleshoot are listed below:
will not move.
in one direction only.
is jammed or broken.
Assume the conveyor chain will not move.
o Shut down the hydraulic system and insert the handcrank in the conveyor.
Manually operate the conveyor assembly. If the conveyor does not move easily
one full cycle in both directions, you must troubleshoot the chain is jammed
If the system operates manually in both directions, you must
check the coupling sprocket and chain.
Assume there are no faults and
continue to troubleshoot the system.
o Ensure the override safety switch is functioning properly.
Shut down the
hydraulic system and set the MASTER switch to the OFF position. Disconnect
the ground leads from the override switch.
continuity of the switch. If there is no continuity in the switch, it must
be replaced. With continuity indicated the switch is not defective. Connect
the ground leads to the switch and continue troubleshooting.
o Disconnect the conveyor harness and check for continuity between the conveyor
harness lead and support ground (Fig. 28). If continuity is not indicated in
the conveyor harness lead, it must be replaced.
With continuity indicated,
the harness connector at the conveyor directional control valve,
continuity between the pin C connector, and ground the lead
If there is no continuity indicated, the lead is
and you must notify support maintenance.
If continuity is
connect the harness connector at the conveyor directional control
the conveyor support.
Continue to troubleshoot the conveyor