Procedure
1.
Put the knurled nut and clamping ring onto the tube. Observe the position of the
clamping ring.
2.
Push the tube onto the screw-in piece.
3.
Turn the knurled nut hand-tight.
5.3.3
Using a push-in fitting (pneumatic)
Overview
Figure 5: Push-in fitting with retaining ring (example shown)
1
Retaining ring
2
Tube
Procedure
Fitting the tube
1.
Push the tube in.
Removing the tube
1.
Press the retaining ring in.
2.
Pull the tube out.
5.4
Mechanical and electrical installation
Important information
NOTICE
Observe the order of assembly.
If the assembly sequence is incorrect, there is a risk of contamination of the gas sam‐
pling unit. This can cause exhaust gas to enter the unheated analyzer and condense
out.
b
First connect instrument air and voltage supply.
b
Only then install the gas sampling unit in the flue gas duct.
Assembly sequence
•
Fit the assembly frame on the wall.
•
Connect the sample gas line to the gas sampling unit SFU
•
Connect the hose bundle line to the gas sampling unit SFU
•
Connect the sample gas line to the sample conditioning and distribution unit
•
Connect the hose bundle line to the sample conditioning and distribution unit
•
Connect the discharge hose to the condensate pump
MOUNTING
5
8021339/1CHC/V1-1/2021-07 | SICK
O P E R A T I N G I N S T R U C T I O N S | MARSIC280
25
Subject to change without notice
