Combinating Cylinders - Assa Abloy Pyramid Owner's Manual

Combinating Cylinders

Refer to Corbin Russwin's Cylinder Manual (Cyl. Man 9506) for complete step-by-step instructions to service and
combinate Mortise, Rim, KIK/KIL and IC type cylinders.
Pyramid has seven pin chambers, each of which must be combinated as per the cylinder type and bitting specification.
Rules for Combinating:
Rules for
Conventional (Fixed
Core) Chambers
The bottom pin always
equals the shallowest
operating cut.
The master pin equals
the difference between
the deep and shallow
operating cuts.
The top pin is determined
by the plug total.
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Rules for Non Control
Chambers
The bottom pin always equals
the shallowest operating cut.
The master pin equals the
difference between the deep
and shallow operating cuts.
The top pin is determined by
the plug total.
5
Owner's Manual
Rules for Control
Chambers
The bottom pin
always equals the
shallowest operat-
ing cut.
The master pin
equals the differ-
ence between the
deep and shallow
operating cuts.
The build-up pin is
determined by sub-
tracting the plug total
from the control cut.
The top pin equals
the control cut.