Ametek Land 4500 MKIII, User Manual

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A - 11
Model 4500 MkIII Opacity and Dust Monitor
User Guide
The flange alignment tool is used as follows:
1) Remove the washers from the mounting flanges. Retain these as they
are essential to the correct installation of the instrument.
2) Tack weld the flanges in position.
3) Mount the flange alignment tool as shown below, with the light source
attached to flange 2.
4) Align flange 1 and weld it into place.
5) Remove the alignment tool and refit it with the light source attached to
flange 1.
6) Align flange 2 and weld it into place.
7) Replace the washers. See section A3.8.
A3.6 Using the Flange Alignment Tool
The flange alignment tool (part number 703.070) consists of two plates
which are mounted on to the flanges. One plate supports a light source, the
other a small telescope with a target in the centre. When the flanges are
properly aligned, the light spot is located in the centre of this target.
Light source Alignment circle
Light source
Flange 2 Flange 1
Reinforcement
if required