Cylinder Installation Guide
Key demountable handle (KDH): Remove cylinder by turning any operating key, de press ing a retainer in the
shank of the handle, and pulling on the handle.
Most contemporary cylindrical locks have key demountable handles.
Non-key demountable handle (Non-KDH): Remove cylinder by disassembling the lockset.
Corbin Russwin and Sargent grade 1 knobs and preassembled locksets are the primary Non-KDH hardware.
brand grade 1 grade 1 grade 1 grade 2 grade 2
levers knobs preassembled levers knobs
Arrow KDH KDH KDH KDH
Corbin KDH Non-KDH Non-KDH KDH KDH/Non-KDH
Russwin
Falcon KDH KDH KDH KDH KDH
LSDA KDH KDH KDH KDH
Marks KDH KDH KDH KDH
PDQ KDH KDH KDH KDH
Sargent KDH Non-KDH Non-KDH * KDH KDH
Schlage KDH KDH KDH KDH
Yale KDH KDH KDH KDH KDH
1. Turn any operating key
to the right about 45 degrees.
2. Depress the re tain er through the access hole
in the trim, and pull off the knob.
NOTES:
*Sargent discontinued their
unit lock decades ago.
However, they also made a
lock called the “IntegraLock”
(7600 Line) that used a
small mortise body with
through-bolted key-in-knob
trim.
Cylinder Removal Methods
Arrow Architectural Hardware
Division of Assa Abloy
• “ARROW” appears on the latch face.
• Basic hand tools required.
NOTES:
• Flexcore is available in small format interchangeable core only.
• Entire Arrow line is available prepped for small format interchangeable core.
Arrow H series J series L, M series M series tubular
grade 1 grade 2 grade 2 grade 2 deadlocks
knobs & levers interconnected levers knobs
retrofit type KDH KDH KDH KDH
Peaks Preferred 8400-xx-1099 8400-xx-1099 8400-xx-1099 8400-xx-1099 8400-xx-1099
Peaks Classic 3400-xx-1099 3400-xx-1099 3400-xx-1099 3400-xx-1099 3400-xx-1099
Section 5 - 3