Distillation Process Analyzer DPA-4.5
Maintenance
Overview
1
Outer box
2
Flame filter
left (L)
3
Ribbed ring
4
Flame filter
right (R)
6
O-ring
7
Inner box
Figure 10.3: Flame arrester design. Three flame filters are installed. The
middle flame filter (4) is equipped with gaps with a right-hand angular
offset, and the two other flame filters (2) are equipped with gaps with a
left-hand angular offset.
Personal protective equipment
−
Safety goggles
−
Safety gloves (hazardous substances)
Required tools
−
Open-end wrenches of the following sizes:
−
14 mm, 22 mm, 2x 36 mm
−
Plastic stamp (blunt) or
supplied 3.9 mm cotter pin driver (see page 127)
−
Plastic mallet
−
Fitting lubricant
General preparations
for maintenance
•
Switch off the analyzer (see page 111).
•
Secure the analyzer against being switched back on again.
•
Depressurize all supply lines. Drain them if necessary.
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December 2013