1.12.5. Hopper Auger/Conveyor Systems

TM 5-3895-373-20 1.12.5. Hopper Auger/Conveyor Systems. The paving machine is equipped with right and left independently controlled auger/conveyor systems. Each system is driven by a hydraulic motor mounted on the main frame bulkhead. The main auger/conveyor system components are as follows: a. Conveyors. There are two conveyors located in the hopper. Each conveyor consists of conveyor rollers, drive shafts, conveyor chains with drag bars, conveyor drive sprocket wheels, and drag plates. When the auger/conveyor system is turned on, the conveyors pull paving material from the hopper back to the augers in front of the screed. b. Augers. Two spiral augers are used to move the paving material deposited by the conveyors. When the auger/conveyor drive is turned on, the spiral augers spread paving material evenly across the width of the screed. c. Auger/Conveyor Drive System. The conveyors and augers are driven by two hydraulic motors. The hydraulic motors are turned on and off at the operator switch panel or at the screed control panels. Reverse control switches on the switch panel allow each conveyor and auger to be run in reverse. Speed control valves can be manually adjusted to speed up or slow down conveyor and auger rotation. Each motor is connected to a drive sprocket wheel and drive chain. The drive chain engages with the conveyor drive sprocket wheel and auger drive sprocket wheel. The position of the motors and sprocket wheels is adjustable for maintaining chain tension. 1-10