Insert the clip using it to hold the inner push rod tube in place with your thumb while putting mild pressure down on the spring collar with your index finger.
Slip your screw driver under the clip pushing the tip gently against the inner push rod tube above the spring collar. Using the clip as a fulcrum point for your screw driver lever, push up on the screw driver pushing the spring collar down while putting pressure inward on the clip sliding it up the srew driver shaft toward the inner pushrod tube. Keep pushing the clip inward until it is in place against the inner push rod tube above the spring collar. Remove the screw driver and presto!!!