Расширитель поршневых колец Caterpillar 7M-3978

The Piston Ring Expander enables safe and controlled handling of piston rings during removal and installation tasks, reducing the chance of ring distortion and breakage during engine service work. The tool applies an even outward force to open rings smoothly, allowing placement or removal without excessive stress on ring edges. This controlled action helps maintain correct ring shape, supports proper seating on the piston, and reduces rework caused by damaged components. Attributes:• Supports safe handling of piston rings during engine service.• Reduces the risk of piston ring cracking and snapping.• Allows smooth engagement and disengagement of rings.• Suitable for 137.2millimeter engine bore size.Applications: The Piston Ring Expander is used in engine service areas where pistons and piston rings are handled and supports controlled removal and installation of piston rings during maintenance work.