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solenoid

Glossary “solenoid” Definition:
1). Electro-mechanical device similar in operation to a relay, however, the movement of the armature or iron core results in changing electrical energy into mechanical energy. 2). An electro-mechanical device used to effect a push-pull mechanical operation using electrical current. 3). A relay with an external mechanical movement.

soft parts

Glossary “soft parts” Definition:
Parts in a rebuild kit, all rubber seals and gaskets, bands, friction discs, thrust washers, and bushings.

soft solder 95/5

Glossary “soft solder 95/5” Definition:
A lead-free metallic alloy of 95% tin (Sn) and 5% antimony (Sb); used to repair or join ferrous metal parts for temperatures below 350¡ãF.

sodium cooled valve

Glossary “sodium cooled valve” Definition:
Partially hollow valve stem containing metallic sodium that melts at a low temperature (208¡ãF) and when in its liquid state at operating temperatures splashes around inside the valve, transferring heat away from the valve head to the valve guide, and then transferred to the cooling system..