Glossary “chain wrench” Definition:
Wrench used to grasp and turn round objects. It is used to remove stuck or damaged engine oil filters or to adjust exhaust systems.

Glossary “chain guide” Definition:
Device used to support and guide a chain, such as a timing chain, to reduce or prevent whip.

Glossary “chain length” Definition:
Distance between the joint centers at each end of a taut chain strand.

Glossary “chain pitch” Definition:
Center-to-center dimension between chain links or joints.

Glossary “chain tensioner” Definition:
Device used to maintain chain tension, such as a guide rail or a hydraulic pressure piston with a rubbing shoe.

Glossary “chain casing” Definition:
Housing, enclosure, or guard for a chain drive containing the lubricating system and providing protection from contamination.

Glossary “chain drive” Definition:
Drive system consisting of a drive, and a driven sprocket and chain, such as found in many transfer case applications..