Spectra DG711 User Manual Page 71

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6 DG511/711 Additional Accessories
64 DG711 and DG511 Pipe Laser User Guide
1232 Precast Invert
Adapter 6.4.6
The 1232 Precast Invert Adapter is
used with a 1244 T-Bar and 1239
Universal Fixed Pole when the
laser is positioned slightly above
flowline of a precast invert.
Setup instructions
1 Install the 1232 onto the 1239
Universal Fixed Pole.
2 Install these components onto a
1244 T-Bar Assembly.
3 Set the 1244 T-Bar with the
adjustable pole in the manhole with
the horizontal slide assembly over
the invert.
4 Adjust the elevation of the pole
clamp so the laser is placed at the
desired elevation over the flow
line.
5 Place a grade rod on top of the
Laser housing to set elevation.
Model 1232
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