PowerGrip Quick Reference Guide

Quick Reference Guide for Multi-Purpose Jaw Buckets and Hydraulic Thumbs Attachment Features Helac PowerGrip® Cylinder Style Hydraulic Thumb Mounting Configuration Integral with Bucket Attached to Dipper Arm Weight Penalty of Attachment Minor Moderate Constant Swing Speed Yes No Constant Clamp Force Thru Full Rotation Yes No Single Function Control in Handling Materials Yes No Holding Torque   Approx. 3X Clamp Force Yes No Integral Load Holding and Pressure Control Manifold Yes No Operating Mechanism Integral with Sliding Spline Rotary Actuator Exposed Cylinder and Rod Pins, Bushings and Linkage in Mechanism No Yes More Than Two Grease Fittings No Yes