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Disassembly trim
- To remove the diaphragm (020), unscrew the screw (018) from spindle (012).
- To remove the guide sleeve (008), unscrew the screws (037) and remove it of the guide (009).
- To remove the primary seal(007),unscrew the screws (038)and remove the disc flange(016)
Then unscrew the nut (019) and remove the primary seal (007) by holding spherical screw (015).
FIGURE 4-DISASEMBLY TRIM
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74LP PRESSURE RELIEF VALVE
SARASIN-RSBD
™
