injector's tip is off

[Phil Payne]

> When I pulled injectors out of head 3 of them came out without a tip
> because the O-rings stuck in the seat pulled tips off injectors.  When
> it happened to first injector I experienced quick shock but looking on
> the tip I thought that I can just put it back on injector and it will be
> fine.  Do I oversee something here?

No.  Look very carefully at the side of the injector - there are three tiny
dots in the side showing where the tip should be pressed to.  It shouldn't
be pressed fully home on the end of the injector.