For a standard cleaning job, you will need to connect both gun/spray handle and spray lance. How to connect the gun/spray handle to the spray lance Hold the gun/spray handle with one hand and push the coupling on the lance into the spray handle. Turn the spray lance clockwise and release. The spray lance will lock in position. Plug the high-pressure hose into the gun/spray handle. How to remove the gun/spray handle from the spray lance Pull out the high-pressure hose from the gun/spray handle. Push the spray lance and turn it counter-clockwise, depending on your product model. Pull out the spray lance from the gun/spray handle.