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OPERATING MODE
OPEN VALVE LOCK POSITION
• To lock the valve in fully open position, first you must
pull the trigger to its maximum opening.
• Then, move the cam to the lock position. Then, the
trigger can be released and the valve will remain open.
MAINTENANCE
WARNING: Release all pressure within the
!
system prior to performing any maintenance or
disassembly operation. Verify that the pump is
VALVE DISASSEMBLY
To perform valve inspection or replacement, proceed
as follows:
1. Check that there is no pressure in the system.
2. Pull out the pin (1) and then remove the trigger (2).
The trigger has a torsion spring (3).
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896 854 R. 03/23
SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com
• To unlock the open valve position, pull the trigger again
to its maximum opening and then return the cam to
the rest position. After that, trigger can be released to
rest position with the valve closed.
disconnected. Discharge pressure operating the control
valve into an appropriate container and open any fluid
drain valves in the system if necessary.
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