Order Of Fastening The Water Piping Bolts - LG RCWFL Series Installation Manual

7-3. Order of Fastening the Water Piping Bolts

Flange bolt using the flat gasket or O-ring should be fastened diagonally and fastened diagonally after moving 90˚ as
shown in the picture below.
Improper fastening of the flange connection part may cause leakage and water leakage.
1) Fastening the piping flange bolt.
: Refer to the Figure 12. Tighten the bolts with an adequate torque following the flange fastening order.
Repeat this with the clamping force fit to the bolts.
2) Fastening Water Box Flange Bolt
: Fasten 12 bolts with an adequate torque following the order by referring to the Figure 12.
Fasten the next 12 bolts with a final torque following the consecutive sequence.
And fasten the first 12 bolts and unfastened bolts with the final torque.
Start fastening the bolt from number "1" and fasten the rest in clockwise direction around the flange in order.
Figure 12. Order for Fastening the Flange Connection Part Bolts
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