Tappet Axle / Roller Replacement Tool

Step 1: drill out ends of old axle

• Use included 7/32" drillbit and drill about 1/16" into each side of the old tappet axle. Lightly oil the drill bit before putting in through the hardened drill bushing.  Be sure to blow chips out in between drilling the two sides of the lifter. 

Step 2: Drive out old axle

• Carefully drive out the old tappet axle using the included pin punch.  This should take a few firm strikes from a 16oz ballpeen hammer.  If 2-3 firm strikes aren't enough to start moving the old axle out, take out the lifter and move it back to station/step 1 and drill out a little more of the end of the axle before continuing again to step 2 and driving the axle out. 

Step 3: Install new roller assembly and set the ends of new axle

• Install new/replacement roller assembly and axle into lifter body.  New axle should slide right through lifter body without being forced.  Set lifter assembly into station/step 3 of the tool and use the included roll pin punch to lightly set the ends of the new axle on each side.  This should take just 2-3 light/medium strikes with a 16oz ballpeen hammer. 
• Its best to flip the lifter back and fourth a couple of times between the first few light strikes with a hammer.  Axle should remain centered within the lifter body, with an equal amount of the axle protruding out of each side.  

Warning:

• Be sure the new axle is secure and has no detectible movement.  
• Be sure the new roller moves freely

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