Emerson Rosemount 3051 Reference Manual page 49

Reference Manual
00809-0100-4007
Procedure
1. Loosen the housing rotation set screw using a 5/64-in. hex wrench.
2.
3. Re-tighten the housing rotation set screw.
Electronics housing clearance
Mount the transmitter so the terminal side is accessible.
To remove the cover, make sure there is clearance of 0.75-in. (19 mm). Use a conduit plug
in the unused conduit opening. You need three inches of clearance to remove the cover if
a meter is installed.
Environmental seal for housing
For NEMA
male threads of conduit to provide a water and dust tight seal.
Always ensure a proper seal by installing the electronics housing cover(s) so that metal
contacts metal. Use Rosemount
Flange bolts
Emerson can ship the Rosemount
installed with four 1.75-in. flange bolts.
See Table 3-1
coplanar and traditional flanges. Emerson supplies stainless steel bolts coated with a
lubricant to ease installation. Carbon steel bolts do not require lubrication. Do not apply
additional lubrication when installing either type of bolt. Bolts supplied by Emerson are
identified by their head markings.
™
(1) Rosemount 3051C original position aligns with "H" side; Rosemount 3051T original position is the opposite side of bracket
holes.
Reference Manual
CAUTION
Transmitter damage
Over rotating can damage the transmitter.
Do not rotate the transmitter more than 180°.
Turn the housing left or right up to 180° from its original position.
®
4X, IP66, and IP68 requirements, use thread sealing (PTFE) tape or paste on
and Figure 3-3 for mounting bolts and bolting configurations for the
™
O-rings.
™
3051 with a coplanar flange or a traditional flange
Hardware installation
August 2019
(1)
49