Locking Dog Assembly

A complete tool system for the PISA® family of anchors consists of: Kelly Bar Adapter, torque Indicator, Locking Dog Assembly, and Drive-End Wrench. The C3030069HD is used with 5-1/4” bolt circle Kelly Bar Adapters. The C3030981 is used with 7-5/8” bolt circle Kelly Bar Adapters. The Locking Dog Assembly has three ring positions. The inside ring position allows the Locking Dogs to hold both the Drive-End Wrench and the Pisa Rod. The middle position releases the Pisa Rod but holds the Drive-End Wrench. The outside position releases the Pisa Rod and Drive-End Wrench.