Specifications

components that were disassembled
can be seen in Photograph 11.
At this point you can see the knob
retainer and tailpiece of the lock
through the spindle opening. To
remove the knob and lock cylinder,
you must first turn the rigid tailpiece
one quarter turn counter-clockwise.
The knob retainer can not be
depressed to remove the knob without
turning the tailpiece first.
To turn the tailpiece, use a thin
piece of stiff wire approximately three
inches long and place it on the
retainer pin at the back of the lock
cylinder plug. Depress the retainer pin
with the wire then reach in and turn
the tail-piece
counter-clockwise
using a pair of
needle nose pliers
(Photograph 12.)
With turning pres-
sure being applied
to the tailpiece,
remove the wire
from the retainer
pin. The tailpiece
should then turn,
allowing enough
clearance for the
knob retainer to be
depressed, and the
knob and cylinder
removed to ser-
vice. With the cyl-
inder out, you can
now shim it and rekey the lock.
To reassemble the lock, first insert
the cam back in the spindle opening
and install the latch slide with springs
back in the lock body. To put the
inner knob plunger back in the lock,
44 • The National Locksmith
5. First remove the cotter keys
from both sides of the locks
mechanism housing cover.
6. Remove the housing cover by sliding off.
7. Bend the frame retainer post out slightly to
remove the back of the inner knob shaft.
8. Grab the inner knob shaft and pry it out.
9. The inner return springs will
also pull with the inner knob
shaft.
10. With the inner knob shaft removed you can then
remove the cam inside the spindle.
Continued on page 46
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