3-4 Surge Bin
The surge bin provides three basic functions. The asphalt from the drum mixer is fed by conveyor to the surge bin. This
bin allows the continues production of the asphalt mix in the drum mixer by providing a storage area to accumulate the
mix. This surge bin bottom opening is located 12 feet above the ground. A truck loading area Is located below this surge
bin to allow the passage of a truck for loading.
Removal, Repair and Replacement. See figure 3-11.
This procedure assumes a complete removal, repair and replacement of this assembly A partial disassembly repair and
replacement is possible Follow the procedure to the point of removing only those components requiring repair or
The Batcher is removed only after the slat conveyor has been removed from the chassis (See Section 3-4-2). Removal of
the batcher is not recommended while the conveyor is in place.
Remove the slat conveyor following the procedures outlined In Section 3-4-2.
The slat conveyor must be blocked to so that the batcher can be lowered slightly after removing the bolts to the
3. Disconnect the air lines to the air cylinder taking care to mark which line attaches to which port. Plug all openings.
Remove the cylinder pin by removing the cotter pin This disconnects the cylinder from the gate.
Remove the air cylinder by removing the 8 fasteners holding the two gate members and the cylinder in position.
6. The clam shell gate pivots on two pins, one on either side of the batcher. Support the gate so that these two pins
can be removed.
Remove the cotter pin installed into the hopper gate pivot pin. Remove the hopper gate pivot pin Repeat this for
the other side The gate can be removed.
8. The two limit switches can be removed by removing the fasteners holding them. Open the box and mark the wires
Disconnect the electrical wire from the terminal.