Many Codes to choose from ...
The PushButton code chamber consists of 13 buttons
from which the code is selected, and a 'C' button
which is used to re-set the chamber after an incorrect
entry, and which must always be used as the first
digit of a code. Buttons may only be used ONCE
in a code. For example, 1212 is not possible.
A PushButton code, or combination, can be entered
in any order or sequence; e.g 1234 can be 4321
or 1342 or whatever sequence is most convenient
to remember.
With 13 buttons, a total of 8,191 different codes
are available, any of which can be entered in
any sequence.The total is arrived at as follows:
| 'C' plus |
1 |
digit |
= |
13 |
|
'C' plus |
6 |
digits |
= |
1716 |
|
'C'plus |
11 |
digits |
= |
78 |
| " |
2 |
|
= |
78 |
|
" |
7 |
|
= |
1716 |
|
" |
12 |
|
= |
13 |
| " |
3 |
|
= |
286 |
|
" |
8 |
|
= |
1287 |
|
" |
13 |
|
= |
1 |
| " |
4 |
|
= |
715 |
|
" |
9 |
|
= |
715 |
|
|
|
|
|
|
| " |
5 |
|
= |
1287 |
|
" |
10 |
|
= |
286 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total = 8191 |
Most people will set a code in the range of 4 to
7 digits, and the total number of codes in this
range is 5434. The lock is factory set with a randomly
selected 6 digit code starting with the C button.
The code is not recorded by the factory. The code
can be changed as often as required to any other
6 digit code. Every new code must start with the
C button. Using the spare tumblers, one red and
one blue, the code length can be changed to 5 or
7 digits. Shorter codes are not recommended.
Code Change Instructions
- Take your PushButton
combination door lock off the door by unscrewing
the 2 screws in the backplate.
- Press the C button to reset the chamber and
place the lock case on a flat surface with the
buttons down.
- Remove the 2 red screws and carefully lift off
the code chamber plate. Check that all 14 springs
are held in place on the plate.
- Note that the 5 red tipped code tumblers correspond
in position to the existing code. The 8 blue tipped
non-code tumblers fill the other positions. The
C tumbler is not coloured.
- Hold the lock in your hand and depress the C
button. Keeping the C button depressed use tweezers
to re-position the tumblers to correspond with
your new code. DO NOT force the tumblers in.
NB: Holding the C button depressed whilst re-positioning
the tumblers is ESSENTIAL to avoid damaging the
internal mechanism. DO NOT attempt to reposition
the C tumbler. The square notches of all the tumblers
MUST face outwards with the coloured tips ON TOP.
- Replace the code chamber plate
carefully with the 2 red screws.
- Check the operation of the new code, and make
a written note of it before re-installing the
lock.
- On the spring latch models 250 and 255, the
spindle must engage the latch.
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