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Reference Manual
00809-0100-4631, Rev BA
April 2007
5-5
Rosemount 1154 Series H
Electrical Housing
Reassembly
1.
Replace the zero and span adjustment screw O-rings (11) whenever
you remove the zero or span adjustment screws (10). Lightly grease
the O-rings with Dow Corning 55 Silicone O-ring Grease, (Rosemount
P/N 01153-0248-0001). Reinstall adjustment screws and secure with
snap rings (12).
2.
Align the zero and span adjustment screws with the potentiometer
stems on the calibration board (5) and push the calibration board onto
the bayonet pins.
3.
Slide the header assembly board (4) onto the bayonet pins with the
component side toward the pins. Slide any excess wire behind the
calibration board,
taking care to avoid kinks
.
4.
Push the amplifier board (6) onto the bayonet pins and secure with
the holding screws (7). Use nominal torque of 10 in-lb
(1.1 N-m).
5.
Carefully replace the cover and tighten to 16.5 ft-lb (22.4 N-m)
(see “Preliminary” on page 5-4).
6.
Replace the nameplate (13) and attach with two nameplate screws
(14).
POST-ASSEMBLY TESTS
1.
Calibrate transmitter per the calibration section of this manual.
2.
Conduct nuclear cleaning to 1 ppm chloride content of transmitter
“wetted parts.”
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