Remove complete backhead and handle assembly from any existing PHQ250 Jackleg  Canun S260 Jackleg or Boart (Secan) S250 Jackleg and replace with complete assembly.

Includes complete AVBH Assembly shown below as well as side rods, water valve assembly, water tube. throttle valve and handle, air and water connection assemblies, and complete control handle assembly

Remove complete backhead and handle assembly from any existing PHQ250 Jackleg Canun S260 Jackleg or Boart (Secan) S250 Jackleg and replace with this assembly.

Remove 2 side rods, water valve connection assembly, water tube. throttle valve and handle  air and water connections, and complete control handle assembly from the existing Jackleg drill and add to those components to complete the assembly.