Locks 80 0180 219_E 3890 Removable Mullion Installation Instructions Inst

User Manual: Locks 3890 Removable Mullion Installation Instructions Mayflower Sales - Adams Rite

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STEP 1

STEP 2

DRILL 1/4" DIA. HOLES

* Measure door opening height from finished floor
to bottom of header.

* Use mounting plate as a template to drill
three 1/4" dia.holes for 10-32 rivnuts
lining up centerlines as shown in fig. 1.

SIDE
OUTER DER
A
E
OF H

* Subtract 1 1/8" from door opening dimension
to get length of mullion.

10-32 X 1/4"
PAN HEAD SCREW
2 PLCS

2 1/4"

2

* Install mounting plate with three 10-32 x 3/4"
flat head screws.

* Measure and cut mullion to size.

WASHER- 1/4
2 PLCS

* Install top fitting on mounting plate using two
1/4-20 x 3/4" pan head machine screws.

OUTER SIDE
2

10-32 X 3/4"
FLAT HEAD
CAP SCREW

10-32 RIVNUTS
(SUPPLIED W/ RIVNUT
INSTALLATION KIT)

This dimension is used when the door is flush
with the outside of the header. If this is not the
case add the distance that the door is moved
inward from the face of the header to this
dimension.

MULLION

Ø 17/64"
HOLE
KNURLED
SPACER
2 PLCS

TOP
FITTING

MULLION LENGTH
1 1/8" LESS THAN
DOOR OPENING
HEIGHT

1/4-20 X 3/8"
ACORN NUT
2 PLCS

MOUNTING
PLATE

DOOR OPENING
HEIGHT

1/4-20 X 2 1/4"
PAN HEAD SCREW
2 PLCS

STRIKE
2 PLCS
1"

1/4-20 X 3/4"
PAN HEAD SCREW
1/4-20 x 3/4"
PAN HEAD SCREW

CL
FINISHED FLOOR LINE

STEP 3

1

* Use the bottom fitting as a template
and place it on the floor against the doors
lining up on centerlines.
1

2

2"

* Drill two 17/64" dia. holes through mullion
using top and bottom fitting holes as guide.

* Mark and drill two 1/2" dia. holes by 7/8" deep.

www.adamsrite.com

Phone: 800-626-7590
800-872-3267
Fax: 866-582-4641
800-232-7329

STEP 4
* Slide mullion into top and bottom fittings.

The bottom fitting is in line with the top fitting.

* Insert two 1/2" dia. zinc anchors and
mount bottom fitting with two 1/4-20 x 3/4"
pan head mach. screw.

10-32 X 1/2"
FLAT HD. SCR.
4 PLCS

CL

1/4-20
ANCHORS
2 PLCS

1" For G88
5/8" For 8800

DOOR
(SECTION VIEW)

FIG. 1

BOTTOM
FITTING

CL
DRILL 1/2" DIA. HOLES
X 7/8" DEEP

DOOR

2"

CENTERLINE
OF PUSHBAR
ON THE DOOR

* Install & tighten the two10-32 x 1/4" pan head
screws into the rear of both fittings to stabilize
the mullion.

* Insert 1/4 -20 x 2 1/4" pan head screw through
holes in fittings and mullion.

* To install the strikes, drill two 9/32" holes through
mullion at the pushbar centerline and insert
knurled spacers.

* Slip toothed washer onto screws and secure
with 1/4-20 x 3/8" acorn nuts.

* Mount the strikes to the mullion using four
10-32 X 1/2" flat head cap screws.

3890 REMOVABLE MULLION FPR ALUMINUM DOORS
80-0180-219

Rev. E

ECN: 11955C

Date: 07-10-12

Page 1 of 1

Appvd: MP

Date: 07-19-12
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