Henny Penny 500 Service Manual page 146

he acme nut must d when there is
tween the spin-
dle and the acme nut.
9. Using a nylon tape type wrench unthread the limit
stop collar from the acme nut.
10. Gently tap the acme nut from the center crossbar.
nspect the acme nut for thread damage.
threads are "thin and sha or worn", replace with
a new acme nut.
11.
se an allen wrench and ratchet to remove the
retainer.