1
Put 10 cup springs each, back-to-back, onto the three threaded bolts on the flange
fixture of the SR-unit.
2
Pull the sealing ring over the flange of the purge air fixture and hang it loosely over
the purge air unit.
3
Carefully push the measuring probe with the device flange onto the three threaded
bolts of the flange fixture fitted with cup springs.
4
Position the centering discs.
NOTICE
Observe the direction of the centering disc: The convex side must fit into the
groove on the purge air fixture.
5
Tighten the self-locking nuts with a wrench (19 mm) so that the cup springs are
slightly compressed and an even gap of approx. 3 ± 0.5 mm remains. This gap is
important for adjustment of the optical alignment.
6
Fit the sealing ring over the gap.
7
Push two hose clamps over the sealing ring and screw tight.
8
Refit the flange fixture back on the SR-unit when it was removed beforehand.
w
Insert the hinge pins back in and close the quick release fasteners.
9
Set the lever on the probe flange to the “open” position to open the locking device
on the probe towards the sample gas.
7.7
Aligning the measuring probe in flow direction
Flow direction aligned at the factory
NOTE
When the gas flow direction is already known during project planning, the installation
angle of the of the measuring probe is already set accordingly when delivered.
A sticker marks the setting.
1
2
3
Figure 26: Flow direction marking
1
Device flange
2
Flow direction sticker
3
Mounting ring screws (4 pcs.)
Measuring probe, aligning
The measuring probe can be adjusted by turning the device flange.
COMMISSIONING
7
8019532/100Q/V1-1/2018-08 | SICK
O P E R A T I N G I N S T R U C T I O N S | GM700 Ex
51
Subject to change without notice