Flowserve BB 1 - Manual (Page 17)

7
Maintenance
– continued –
BB 1... Changing springs and O-rings
– continued –
Tools
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Spanner socket A. F. 7, 9, 22, 24 mm to DIN 324
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Hexagon socket spanner A. F. 5, 6, 0, 2 mm to ISO 2936
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Torque spanner 0-60 Nm, 60-20 Nm, DIN ISO 6789
Insert and tighten screws. Remove tension plates.
Install dual-plate check valve BB ...
5 6
7