Reference Manual
00809-0100-4801, Rev FA
October 2010
2-23
Rosemount 3051S Series
Rosemount 305 Integral
Manifold Installation
Procedure
To install a 305 Integral Manifold to a 3051S transmitter:
1. Inspect the PTFE SuperModule O-rings. If the O-rings are undamaged,
reusing them is recommended. If the O-rings are damaged (if they have
nicks or cuts, for example), replace them with new O-rings.
IMPORTANT
If replacing the O-rings, be careful not to scratch or deface the O-ring grooves
or the surface of the isolating diaphragm when removing the damaged
O-rings.
2. Install the Integral Manifold on the SuperModule. Use the four manifold
bolts for alignment. Finger tighten the bolts, then tighten the bolts
incrementally in a cross pattern to final torque value. See “Flange Bolts”
on page 2-6 for complete bolt installation information and torque values.
When fully tightened, the bolts should extend through the top of the
module housing.
3. If the PTFE SuperModule O-rings have been replaced, the flange bolts
should be re-tightened after installation to compensate for cold flow of
the O-rings.
4. If applicable, install flange adapters on the process end of the manifold
using the 1.75-in. flange bolts supplied with the transmitter.
NOTE
Always perform a zero trim on the transmitter/manifold assembly after
installation to eliminate mounting effects. See “Zero Trim” on page 4-6.
Rosemount 306 In-Line
Manifold Installation
Procedure
The 306 Manifold is for use only with a 3051S In-line transmitter.
Assemble the 306 Manifold to the 3051S In-line transmitter with a
thread sealant.
1. Place transmitter into holding fixture.
2. Apply appropriate thread paste or tape to threaded instrument end of the
manifold.
3. Count total threads on the manifold before starting assembly.
4. Start turning the manifold by hand into the process connection on the
transmitter.
NOTE
If using thread tape, be sure the thread tape does not strip when the manifold
assembly is started.
5. Wrench tighten manifold into process connection.
Note: Minimum torque value is 425 in-lbs.
6. Count how many threads are still showing.
Note: Minimum engagement is three revolutions.
(182 Seiten)
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