How To Install AccuLock S Liners Step 1 A. Remove nozzle B. Loosen gas diffuser C. Remove gas diffuser. D. Remove power pin cap from the rear of the gun Step 2 A. Remove old liner B. Replace new liner through the neck C. With the gun laying straight, push liner through until the brass liner lock bottoms on the neck Step 3 A. To lock and center the liner, reinstall gas diffuser B. Reinstall nozzle C. Identify power pin to determine appropriate power pin cap torque specification.Power pin shown left:If your power pin has a large ID, please contact Customer Support to obtain the proper AccuLock S Power PinPower pin shown right:Torque to 10 ft-lbs /120 in-lbs (13.5 Nm) D. Place power pin cap over the liner E. Place torque wrench on power pin cap and torque to value identified in 3C Step 4 A. Trim liner flush with the power pin Back to Top