Which of the precautions listed should be taken when gagging a boiler safety valve?
Tighten the gag only finger tight to prevent damage to the valve stem, disc or seat.
Tighten the gag only with the special wrench supplied with the gag.
Ensure that all moving parts of the safety valve are free to move before installing the gag.
Do not allow the gag to contact the safety valve stem.
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