Table 2-7 lists common malfunctions associated with the
auger/conveyor system that may be found during
operation or maintenance of the paving machine.
Perform the tests/ inspections and corrective actions for
a particular malfunction in the order given.
This table cannot list all possible malfunctions that may
occur, nor all tests, inspections, or corrective actions. If
a malfunction is not listed, or is not corrected by listed
corrective actions, notify your supervisor.
Table 2-7. Auger/Conveyor System Troubleshooting.
TEST OR INSPECTION
AUGER/CONVEYOR DOES NOT OPERATE OR OPERATES SLUGGISHLY.
Throughout auger/conveyor system troubleshooting (Table 2-7), reference is made to
right and left auxiliary hydraulic pumps, manual auger/conveyor speed control valves,
etc. These references do not represent the physical location of individual components.
They refer to the physical locations of systems. For example, the left auxiliary
hydraulic pump refers to the auxiliary hydraulic pump that drives the left hand auger
With paving machine turned off, turn auger by hand.
If auger turns easily, replace auger/conveyor hydraulic motor key, auger shaft key, conveyor
shaft key, or drive chain, as necessary. Refer to paragraphs 2.63, 2.64, 2.68, and 2.69.