AVL AVL DiCom 4000, Service Manual

Page: 156 / 182

Opacity Measuring Chamber Type A AVL 4000
6-32 Service Manual
6.13 Reassembly of the Opacity Measuring Chamber
•
Check that the seal in half-shell 2 is sitting correctly.
•
Join the two half-shells together
−
Before doing so, feed the disconnected cables through the space in half-shell 2
(fan, heating block and protective conductor cables, see section 6.12 Electrical
Wiring).
Note:
−
The axles of the optical units must be fitted into the mounting;
−
The purging air panels must be correctly mounted;
−
No cables should be caught or pinched.
•
Screw the half-shells back together with the stud bolts (including the handle).
•
Fit the housing cover and probe holder.
•
Make sure not to confuse the housing covers when reassembling - they are not
interchangeable!
Tighten the stud bolts gently so as not to damage the half- shells.
If you use a torque wrench:
tightening torque for stud bolts = 3 Nm
Check that the seals are sitting properly.
After doing any maintenance work that involves
dismantling the measuring chamber, always carry out a full
function test (see Operating Manual).