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Instruction Manual
Hazardous Area Oxymitter DR
b.Carefully align the new terminal block on the pins so that it sits flat in the housing. The round end of the terminal block should be on the opposite side of the housing con- duit ports and should not be able to rotate.
c.Tighten the three mounting screws and en-
sure the terminal block is secure in the | |
housing. |
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Opening the termination housing will cause the loss of ALL hazardous per- mits. Opening the termination housing in hazardous areas may cause an ex- plosion resulting in loss of property, severe personal injury, or death. It may be required to get a hot work permit from your company safety offi- cer before opening the electronic housing.
4-5 ENTIRE PROBE REPLACEMENT
Do not attempt to replace the probe until all other possibilities for poor performance have been considered. If probe replacement is needed, see Table
a.Follow the instructions in paragraph
b.Remove four screws (15, Figure
c.When installing the new probe, make sure that
d.Install the four washers (14) and screws (15) and tighten.
e.Replace the housing cover (20) and ensure it is tight.
f.Follow the instructions in paragraph
HEATER STRUT REPLACEMENT
This paragraph covers heater strut replacement. Do not attempt to replace the heater strut until all other possibilities for poor performance have been considered. If heater strut replacement is needed, order a replacement heater strut (Table
Use heat resistant gloves and clothing when removing probe. Do not attempt to work on the probe until it has cooled to room temperature. The probe can be as hot as 800°F (427°C). This can cause severe burns.
a.Follow the instructions in paragraph
b.Remove four screws (15, Figure
c.Once the probe and termination housing are separated, spring tension releases and the heater strut moves up. Carefully remove the CAL and REF gas silicon tubes by pulling them off the CAL and REF gas ports. Pull the silicon tubes off the CAL and REF gas lines.
d.Remove pressure clamp (28).
e.Remove tube nuts (26), and capillary breather tubes (23) from the CAL, REF, and VENT ports.
Rosemount Analytical Inc. A Division of Emerson Process Management |