Owner`s manual

27
Choosing either a Solid or Hollow Auger
Auger assemblies can be provided as “HOLLOW” assemblies allowing the insertion of 3/8” (#3)
reinforcing rod into the curb during the extrusion process, or as “SOLID” assemblies for curbing
without rebar. Determine which type of auger is required for your job site. The augers that are
mounted onto a solid auger shaft have one (1) long shear bolt through the center of each auger.
The augers that are mounted onto a hollow auger shaft have two (2), short, specially machined
shear bolts which engage each side of the shaft but do not interfere with the rebar.
Note: Hollow Auger Assemblies can only be mounted on the LEFT side of the Curbilder.
Reviewing any Special Applications that can Apply to
your Job Site
A. Placing Reinforcing Rod/Rebar in an Extruded Curb
With a hollow auger assembly (available for 5”, 6” and 8” diameter augers) a
3
/
8
” diameter
steel reinforcing rod can be inserted through the center of the Optional Hollow Shaft
Assembly. The Front Wheel Support must be moved away from the LEFT side of the frame
on which the Auger housing is mounted so that a special bracket can be mounted to the front
of the frame to guide the rebar into the Hollow auger Shaft. The machine operator inserts
reinforcing rod in 10’ lengths into this bracket. From the bracket the rebar then passes into
the Hollow Shaft during the curbing operation. The rod passes through the auger shaft and
curb form and into the finished curb. For radius work stranded steel aircraft cable can be
used.
When choosing a curb form to be used with reinforcing rod, curb height and configuration are
important considerations. As much material as possible should surround the rod within the
finished curb. The location of the rod from the ground is fixed for each auger size.
Therefore, it is important to have sufficient curb form height to adequately cover the rod.
With a 5” auger assembly, the top of the reinforcing rod will be approximately 3-1/2” above
the ground. With a 6” auger assembly, the top of the reinforcing rod will be approximately 4”
from the ground. With an 8” auger assembly, the top of the reinforcing rod will be
approximately 5” from the ground. A minimum of 1” and preferably 2” of material should
be on top of the reinforcing rod.