Repair Electronics Housing - Emerson Rosemount OCX8800A Manual

Oxygen and combustibles transmitter
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Maintenance and service
December 2022
2. If not in place, install exhaust tube (B,
3. Connect a calibrated manometer to the CAL GAS inlet port.
4. Connect and apply clean instrument air at 35 psig (241 kPa) to the
5. Observe the manometer reading.
10.4 

Repair electronics housing

Use the following procedures to remove damaged components from the
transmitter electronics housing and to install new replacement parts.
Disassemble the transmitter only as needed to replace damaged components.
Use the assembly procedures that apply to install replacement parts and
reassemble the transmitter.
10.4.1 
Disassemble electronics housing
Remove cover
Procedure
1. See
280
Capped or plugged ports must be air tight.
according to instructions provided.
instrument air inlet fitting.
The reading should be from 10 to 13 in. (254 to 330.2 mm), water column
(WC). Locate and correct leaks if the reading is less than 10 inches WC.
Figure
10-25. Loosen screw (L) and slide locking clip (K) away from cover
(A). Retighten screw (L).
00809-0500-4880
Figure
10-13) in exhaust port
Emerson.com/Rosemount
Manual

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