BELT-SERPENTINE 2432143 - Caterpillar

Torque for Standard Bolts, Nuts and Taperlock Studs
The following charts give general torques for bolts, nuts and taperlock studs of SAE Grade 5 or better quality.
Torques for Bolts and Nuts With Standard Threads
Torques for Taperlock Studs
Use these standard torque values for all fasteners unless otherwise specified in this publication or in the Service Manual.Torque for Metric Fasteners
Be very careful never to mix metric with customary (SAE standard) fasteners. Mismatched or incorrect fasteners will cause engine damage or malfunction and can result in personal injury.Original fasteners removed from the engine should be saved for reassembly whenever possible. If new fasteners are needed, they must be of the same size and grade as the ones that are being replaced.
The material strength identification is usually shown on the bolt head by numbers (8.8, 10.9, etc.). The following chart gives general torques for bolts and nuts with Grade 10.9. This product uses 10.9 Grade metric fasteners. Use these standard torque values unless otherwise specified in this publication.Torques for 10.9 Grade Bolts and Nuts with Metric Threads
Torque for Standard Hose Clamps-Worm Drive Band Type
The following chart gives the torques for initial installation of hose clamps on new hose and for reassembly or tightening of hose clamps on existing hose.