ABB Platinum standard Series Product Instruction page 86

WBPEEUI110504A0
12. Torque the flange adapter bolts to 45 to 49 Nm (33 to
37 ft-lbs).
NOTE: If the O-rings are PTFE, tighten to the same torque again
after five days . This is necessary due to the cold flow properties of
PTFE. Tests have shown that a loss of torque of as much as
40 percent occurs over the five days. After a second tightening, no
loss of torque is apparent.
13. If supplied and removed, wrap the threads of the vent/
drain plugs and pipe plugs with one layer of Tape-Seal using a
small overlap.
14. Press the tape into the thread slightly to hold it in place.
15. Install the vent/drain plugs and pipe plugs and tighten
them with the adjustable end wrench.
16. Perform the procedures in
bration of the transmitter has not changed.
PREVENTIVE MAINTENANCE PROCEDURES
MAINTENANCE
Section 4 to verify that the cali-
7 - 5