Emerson Rosemount 2088 Reference Manual page 77

Section 6: Troubleshooting
March 2014
6.4 Disassembly procedures
Do not remove the instrument cover in explosive atmospheres when the circuit is live.
6.4.1 Removing from service
1.
2.
3.
4.
5.
a. The Rosemount 2088 Transmitter is attached to the process by a single hex nut process
Note
Do not wrench on neck of transmitter. See warning in
6.
7.
6.4.2 Removing terminal block
Electrical connections are located on the terminal block in the compartment labeled "FIELD
TERMINALS."
1.
2.
3.
6.4.3 Removing the electronics board
The transmitter electronics board is located in the compartment opposite the terminal side. To
remove the electronics board see
1.
2.
68
Follow all plant safety rules and procedures.
Power down device.
Isolate and vent the process from the transmitter before removing the transmitter from
service.
Remove all electrical leads and disconnect conduit.
Remove the transmitter from the process connection.
connection. Loosen the hex nut to separate the transmitter from the process.
Do not scratch, puncture, or depress the isolating diaphragms.
Clean isolating diaphragms with a soft rag and a mild cleaning solution, and rinse with
clear water.
Remove the housing cover from the field terminal side.
Loosen the two small screws located on the assembly in the 9 o'clock and 5 o'clock
positions relative to the top of the transmitter.
Pull the entire terminal block out to remove it.
Remove the housing cover opposite the field terminal side.
If you are disassembling a transmitter with a LCD display/LOI display, loosen the two
captive screws that are visible (See
screws anchor the LCD display/LOI display to the electronics board and the electronics
board to the housing.
"Inline process connection" on page
Figure 4-1 on page 40 and perform following procedure:
Figure 4-3 on page 43
Reference Manual
00809-0100-4108, Rev BA
49.
for screw locations). The two
Troubleshooting