51QT Removable Floor Closer
with Threshold
3/4" Offset Pivoted - Handed
Installation Instructions
WARNING
This product can expose you to lead which is known to the state of
California to cause cancer and birth defects or other reproductive
harm. For more information go to www.P65warnings.ca.gov.
13/16
3/16 R
Bevel Edge of
Door 1/8 in 2
Jamb
2-7/8
2-3/4
Where vertical adjustment is necessary
two 1/16" thick shims are provided to be
placed between arm & arm bearing washer.
2-3/4
2-3/4
2-3/8
3/4
2-1/4
3/4
1-1/4
Right Hand Shown
Conversion from inches to metric: inch x 25.4
Use only with 1-3/4" doors.
Maximum 11/16" clearance with standard spindle.
Closer mounted flush with finished floor.
Copyright © 2005, 2009, 2022, ASSA ABLOY Accessories and Door Controls Group, Inc. All rights reserved. Reproduction in whole
or in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
5100QT Rev 3 01/22
3/4
1/8 Min. Clearance Required
Between Door and Stop
3/4
Arm
Floor Plate
19-1/4
Drill (3) 3/8" Dia. Clearance Holes
in Door for Arm Mounting Screws.
Fasten Front
Mtg Screws First
19-1/8
1"
4"
3 Holes for
1/4"-20 x 2-1/8" Long
Truss Head Machine Screw
25/64
Jamb
Bevel Edge
of Door
1/8 in 2
4-1/2
1/16
Floor Plate
3/4
2
Below Surface of Finished Floor
4-5/8
5"
5/16
4-1/4
3-55/64
2-45/64
3/8
1-35/64
1/8 R.
5/8
7/16
3/4
13/16
3/4
C L
1/4
3/4
3/4
1-1/8
4-3/8
WITH THRESHOLD
Set Cement Case 3/4"
Bevel Heel Edge of Door 1/8 in 2
13/16
3/4
3/4
Door Leaf
Jamb Leaf
1-7/16
3/8
1-15/16
2-1/2
3-9/16
13/16
1-1/8
4-1/4
NORTON
RIXSON
180 Top Pivot
23/64
45/64
1-1/16
2
3/4
Holes for
1/4-20x5/8" FHMS or
#14x1-1/2" FHWS
1/4
Door Mortised "A"
Deep for Arm
"A"
"B"
1/4 Threshold
9/16
15/16
1/2 Threshold
5/16
11/16
B
3/16
Threshold
5/16
5/16
3/16 R.
1/4
1/8 Min.
Clearance
1-1/8
7/16
1-17/32
2-1/2
3-15/32
4-9/16
5"
5/16
13/16
1-1/8
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