Preparing installation/preparing tank
OXiStop OXS-LID
en
Page 33 / 112
MoWa OXS-LID 3992764e en-us 2018-08-10.docx
2018-08-10
Tightening sequence
The screws on the OXS--30/45/70LID are to be tightened as follows:
Number of screws n = 26; nominal torque Mn = 7 Nm
1.
Tighten screws 1-6 with 20% of the nominal torque.
2.
Check plane parallelism.
3.
Tighten screws 1-6 with 60% of the nominal torque.
4.
Tighten screws 1-6 with 105% of the nominal torque.
5.
Tighten screws 7-n with 105% of the nominal torque.
6.
Tighten screws 1-n with 105% of the nominal torque.
7
Check screws 1-n with 100% of the nominal torque.
