•Spread jaws to clamp recessed area of tappet and use slide hammer to remove.
•Remove most stuck hydraulic valve tappets with this slide hammer-type tool. 
•Turn adjusting nut with 5/8" wrench.
 

•Spread jaws to clamp recessed area of tappet and use slide hammer to remove.
•Remove most stuck hydraulic valve tappets with this slide hammer-type tool. 
•Turn adjusting nut with 5/8" wrench.