TM 5-3895-374-24-2
Electric Motor
Feeder #1
Feeder #2
Feeder #3
Feeder #4
Gathering Conveyor
Scalping Screen
Feed Conveyor
Drum Drive
Hot Mix Conveyor
Burner Fan
Surge Bin Hydraulics
Surge Bin Air Compressor
Exhaust Fan
Baghouse Air Compressor
Hopper Screw A
Hopper Screw B
Hopper Screw C
Hopper Screw D
Baghouse Transfer Screw
Baghouse Discharge Incline Screw
Baghouse Airlock
Baghouse Fines Blower
Hot Oil Heater
Asphalt Transfer Pump
Asphalt Metering Pump
Burner Fuel Pump
Hydraulic Power Pack
Interlocked to:
Gathering Conveyor
Gathering Conveyor
Gathering Conveyor
Gathering Conveyor
Scalping Screen
Feed Conveyor
Drum Drive
Hot Mix Conveyor
Not Interlocked
Not Interlocked
Not Interlocked
Not Interlocked
Not Interlocked
Not Interlocked
Baghouse Transfer Screw
Baghouse Transfer Screw
Baghouse Transfer Screw
Baghouse Transfer Screw
Baghouse Discharge Incline Screw
Baghouse Airlock
Baghouse Fines Blower
Not Interlocked
Not Interlocked
Not Interlocked
Not Interlocked
Not Interlocked
Not Interlocked
An interlock bypass switch labelled DRUM INTERLOCK is mounted on the Motor Control Panel (B). During plant
operation it should be in the Normal position. If it is necessary to run the feed conveyor and the equipment interlocked to it
without running the drum (i.e. during belt scale calibration), select the Bypass Off position.
4-10. Control Logic Charts
See figures 4-1 to 4-13.
The charts included in this section provide an understanding of the control logic incorporated into the control of the asphalt
mixing plant. they do not provide specific trouble shooting information but will assist in determining the possible causes of
a problem.
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