The focus is adjustable with a double nut mechanism enabled by
lock nut plus locking screws.
Initially, I thought it was an E Model (so many sub models) because of the "E" stamped TDC in front of the barrel
lock nut. But that same barrel
lock nut is depicted in Gun Digest's exploded long-gun drawings as a C or CL Model.
Unscrew the
lock nut and washer from the base of the fill valve (the water inlet pipe).
"The
lock nut is generally left in the car, which doesn't really make sense," says Gurdip.
that takes a special cam
lock nut. The cam can be repositioned in relation to the flutes on the chucked step tool by loosening the cam
lock nut and rotating the cam on the spindle.
These front mount receptacles with front
lock nut are designed for thread mount applications that need specific keyway orientations due to the space constraint or any other unexpected engineering situations.
Remove and save the screw and
lock nut from the eyelet on the W16/W3 cable.
The Quickchange clamp allows simultaneous access to the tool,
lock nut, set screw, and pull stud.
Then the spindle
lock nut may back off in the hub assembly and your HMMWV could lose a wheel while moving.