Max flo locking cap screw

[ericostani]

new problem

threaded locking cap screw, how to remove....
mates 4500 max flo has this problem, and input pressure needs raising.any ideas?
cheers.

 

[CAMPBELL]

they have changed the size of the max-flo locking nut so b specific what your ordering (age of it wise)

SP charge about £2.50, ive had 2 buy 2 of these, i wouldn;t chance anythnig else because of threading