Stud Tensioner Tool Caterpillar 1791904

The Stud Tensioner Tool Group is used to simultaneously tension four cylinder head studs or two crankshaft main bearing cap studs during engine assembly and overhaul procedures. It provides controlled hydraulic load applications to ensure accurate stud preload and uniform clamping force. The group includes seal kits for cylinder groups and the pump group, supporting consistent maintenance operations.Attributes:• Simultaneously, tighten the four cylinder head studs.• Automatic piston return after pressure release.• Includes seal kits for cylinder and pump groups.• Air cylinder assists main bearing cap handling.Applications: The Stud Tensioner Tool Group is used on engine assemblies to tension cylinder head and main bearing studs and to raise or lower main bearing caps during inspection, replacement, and overhaul procedures.