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OPERATING AND MAINTENANCE INSTRUCTION ... - larius.org

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STORM 4000<br />

replacement of the pumping group's gaskets<br />

• Extract the pumping group (M6) from the housing.<br />

Carry out this operation after cleaning the tooling.<br />

Release pressure before going on with the<br />

operations (follow the "correct procedure of<br />

decompression").<br />

M6<br />

English<br />

• Disconnect the pumping group by unscrewing the two fastening<br />

screws (M3).<br />

• Remove the protection collar (M4).<br />

• Unscrew the rigid suction pipe.<br />

• Unscrew the upper packing nut.<br />

M4<br />

M3<br />

• Slightly pull the starting belt (M5) to bring the piston to the<br />

lowest stroke point.<br />

M5<br />

• Unscrew the suction valve and clean and/or replace its parts,<br />

if necessary.<br />

• Extract the piston rod from the bottom.<br />

• Disassemble the piston rod and replace the gaskets group<br />

if worn.<br />

• If necessary, remove the upper gaskets for their replacement.<br />

• See the exploded view in the chapter of "Spare parts" for the<br />

correct assembly.<br />

11

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