You can push the rocker arm to the side against the spring and lift the pushrod out of the top. Shake it sideways a little as you lift to avoid pulling the lifter out of its bore. The most common cause of pushrods bending is varnish from stale gasoline causing valves to stick in their guides.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!