Von Duprin 4954 Installation instructions
Von Duprin 1654 is a keyed removable mullion system designed for use on doors requiring frequent removal. It's commonly used in commercial and industrial settings, such as warehouses, factories, and retail stores, where quick and easy access is necessary. The system allows for quick and easy removal of mullions without the need for tools, making it ideal for applications where flexibility and frequent reconfiguration of spaces are required.
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*941043-00*
941043-00
Keyed Removable Mullions
KR54, KR1654
& KR4954
Installation Instructions
Not for use on electric or fire rated removable mullions
All parts below are included for KR1654 and KR4954 (Mullion with Keyed Removable Option)
WAR
NIN
G
Rem and chec ove pull m con k for rein locke d to
Locking mullion assembly
5/16 External Tooth Lock Washer
5/16-18 x 1-1/4”
Button Socket Head Cap Screw
1/4-20 x 1” Flat Head
Socket Security Machine Screw
8-32 x 1/4” Undercut Flat Head
Socket Security Machine Screw
Cylinder Lock Nut
8-32 x 3/8” Set Screw
Sex Bolt
Cylinder Locking
Washer
5/16-18 x 1-1/4” Flat Pan Head Machine Screw and Expansion Anchor
(KR1654, KR4954 & KR1654/4954 Blank Only)
Mullion Body
(KR1654, KR4954 & KR1654/4954 Blank Only)
Top mullion fitting
5/32”
Hex Key
Top Mullion
Fitting Shim
Included with KR54 (KR Kit)
Back Cover Plate
Bottom Mullion Fitting
(KR1654, KR4954 & KR1654/4954 Blank Only)
Not included with KR54 (KR Kit)
Step 1 Prepare the Keyed Removable Unit.
1
3 Thread cylinder lock nut onto mortise key cylinder.
Be sure to fasten down tight.
Position cylinder locking washer over mortise key cylinder hole.
Note: Raise the locking pin lever to aid in installation.
Collar
(not supplied)
2
Mortise key cylinder w/standard cam
(not supplied)
Insert mortise key cylinder through collar and into hole.
N ote: Cylinder must be oriented as shown.
1/8” maximum thickness
1-1/8” or 1-1/4”
Locking pin lever
Cylinder locking washer
Cylinder lock nut
© Allegion 2016
Printed in U.S.A.
941043-00 Rev. 05/16-d
4
Position back cover plate.
5/32 Sec Hex Key
5
Install screws. (8-32 x 1/4" Undercut Flat Head
Socket Security Machine Screw)
Do not tighten down.
Step
2
Install bottom mullion fitting. (If bottom mullion fitting already exists, go to Step 3 .)
Bottom mullion fitting
mounted flush against inside face of doors.
2
Cut threshold to allow bottom mullion fitting to sit on the floor. (Use bottom mullion fitting as template)
4
Install screws. (5/16-18 x 1 1/4"
Flat Pan Head Machine Screw)
3
Position bottom mullion fitting.
2
Install 5/16" x 18 expansion anchors.
1
Drill 5/8" Diameter x 1 1/2" Deep holes.
Step
3
Size mullion.
Measure from this edge.
’X’
Measure to this edge.
1
Measure distance from frame to bottom mullion fitting.
Do not cut end of mullion with warning label.
Mullion Length = ’X’ - 4 3/16"
90°
2
Determine mullion length
using formula and cut.
Remove all burrs and sharp edges.
3
Step
4
Install top mullion fitting.
CL
Top Mullion Fitting Shim
Note: If mullion is cut between 3/16" - 5/16" too short, add top mullion fitting shim.
1
Position top mullion fitting
4
Install screws and Lock Washers. (5/16-18 x 1 1/4"
Button Socket Head Cap Screw & 5/16 External Tooth Lock Washer)
16 Gauge
Reinforcement.
Supplied by frame
manufacturer.
2
Mark holes.
3
Drill and tap frame for
5/16-18 screws using top mullion fitting as template.
Top mullion fitting
mounted flush against
inside face of doors.
4
Mounting Top mullion fitting on optional frame styles:
16 Gauge
Reinforcement
16 Gauge
Reinforcement
Angle Bracket can be purchased through
Von Duprin.
16 Gauge
Reinforcement
Filler block is to be supplied by frame manufacturer.
Step
5
Attach keyed removable unit to mullion.
Keyed
Removable
Unit
!
!
WARNING
Remove key, reinstall, and pull mullion to check for locked condition.
1
Position keyed removable unit onto top of mullion.
2
With a hammer and a block of wood, tap keyed removable unit snug against mullion.
This end has label
Bottom of
Mullion
7
Tighten down screws.
5
Install sex bolts by
tapping into hole with
a hammer and a
block of wood.
4
Drill (2) 11/32" Diameter holes.
6
Install screws. (1/4-20 x 1"
Flat Head Socket Security
Machine Screw)
5/32 Security Hex Key
3
Drill (2) 13/32" Diameter
holes (this side only) using holes in unit
as template.
5
Step 6
Final Installation & Adjustment.
1
Install mullion.
2
Install screw. (8-32 x 3/8" set screw)
until flush with face of top mullion fitting.
Check for tightness of mullion by pushing
and/or pulling on mullion. To tighten, remove
7
1/2 turn. Repeat this procedure until desired
tightness is reached.
6
Step 7
Operation.
WARNING! If set screw is adjusted out too far, the bolt may not latch completely allowing the mullion to fall out when impacted.
Rotate key 180°
Clockwise to unlock and remove mullion
7
Customer Service
1-877-671-7011 www.allegion.com/us
© Allegion 2016
Printed in U.S.A.
941043-00 Rev. 05/16-d

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