How do you adjust the adjustable push rods on a Harley Davidson?
Keep the pushrod tube from rotating with a 1/2 in or adjustable wrench. Slowly turn the adjusting screw with a 5/16 in wrench 2-1/2 complete turns counterclockwise (lengthening the pushrod) as viewed from the bottom. Hold adjusting screw and tighten locknut with 1/2 in open-end wrench against the pushrod tube.
How do you adjust the pushrod on a Harley Davidson?
Turn your motor, by hand, and position the lifter you are adjusting to its lowest point of travel on the cam. Next, extend your adjustable pushrod until you have zero lash (adjust by hand until you pushrod is seated, but without collapsing the lifter).
How many turns can an adjustable pushrod do?
Next, extend your adjustable pushrod until you have zero lash (adjust by hand until you pushrod is seated, but without collapsing the lifter). Next, (depending on the manufacturers instructions) you may be instructed to extend the pushrod another 2 1/2 to, maybe, 3 full turns.
Do you have to lock down the pushrod?
The pushrod must spin freely. with NO up and down movement. From this point you want to shorten one full turn, 6 flats. Lock down the pushrod and repeat for the rear cylinder. DO NOT TRY TO MAKE SHORTCUTS IN THIS PROCESS. Proper bleeding down of tappets, is critical for healthy running motors.
Do you need to shorten the pushrod on a tappet?
If you cannot spin the pushrod, you have S&S Limited Travel tappets (HL2T kit). From this point you want to shorten the pushrod. While shortening you will feel drag on the pushrod, this is the valve spring tension. While shortening, you will feel the valve spring release the pressure on the pushrod.
Turn your motor, by hand, and position the lifter you are adjusting to its lowest point of travel on the cam. Next, extend your adjustable pushrod until you have zero lash (adjust by hand until you pushrod is seated, but without collapsing the lifter).
Next, extend your adjustable pushrod until you have zero lash (adjust by hand until you pushrod is seated, but without collapsing the lifter). Next, (depending on the manufacturers instructions) you may be instructed to extend the pushrod another 2 1/2 to, maybe, 3 full turns.
The pushrod must spin freely. with NO up and down movement. From this point you want to shorten one full turn, 6 flats. Lock down the pushrod and repeat for the rear cylinder. DO NOT TRY TO MAKE SHORTCUTS IN THIS PROCESS. Proper bleeding down of tappets, is critical for healthy running motors.
What makes Screamin Eagle pushrods tapered and adjustable?
The one-piece chrome moly tube adds rigidity and durability, and the threaded adjustment feature provides easy cam installation without removing the cylinder heads or rocker boxes. These premium pushrods are tapered for enhanced clearance at the cylinder head, allowing the use of higher lift cams.