Capped or plugged ports must be air tight.
2. If not in place, install exhaust tube (B, Figure 10-13) in exhaust port
according to instructions provided.
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
instrument air inlet fitting.
5. Observe the manometer reading.
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.
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 Figure 10-25. Loosen screw (L) and slide locking clip (K) away from cover
(A). Retighten screw (L).
Maintenance and service Manual
December 2022 00809-0500-4880
280 Emerson.com/Rosemount
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