5. Presspiston(12)byhandorwithablunttool
fromtheheadholder(11).
6. Loosenretainingring(1)byhandandremove
ittogetherwiththeaircap(3)andtheaircap
gasket(2).
7. Loosennozzle(4)withsocketwrenchornut
SW13andremoveittogetherwiththeairdis-
tributingring(7)andthetwogaskets(6).