A7426e – SARGENT 988 Surface Bolt Kit User Manual
Page 2

ATTACH COVER TO CHASSIS
WITH (4) #8 TRUSS HEAD
MACHINE SCREWS
• CHECK BOX LABEL
DEPRESS ARM INTO RAIL OPENING AND SLIDE RAIL ONTO
CHASSIS. LEVEL RAIL AND FASTEN MOUNTING PLATE
A
Main slide
Retractor
12-3727 INSTALL TOP & BOTTOM CASES
12-NB3727 INSTALL TOP CASE
Center chassis
assembly
Guide
Top cover
Top rod
Adjustment pin
Top case
4.
12-3727
1. MOUNT TOP STRIKE ACCORDING TO LOCATION
MARKED IN SECOND STEP. USE #10 STEEL
SCREWS PROVIDED.
2. SCREW TOP ROD INTO MAIN SLIDE
3. ASSEMBLE TO TOP CASE BY INSERTING
ADJUSTING PIN THROUGH RETRACTOR AND
MIDDLE HOLE IN ROD. (SEE ILLUSTRATION AT
LEFT). ADJUST SO THAT TOP CASE MOUNTING
HOLES LINE UP WITH LOCATION MARKED IN
SECOND STEP.
4. MOUNT BOTTOM CASE IN SAME MANNER AS
TOP CASE. (SEE ILLUSTRATION AT LEFT).
REFER TO ILLUSTRATIONS BELOW FOR
MORTISE OR SURFACE APPLIED STRIKE
APPLICATIONS.
5. SECURE ROD GUIDES
NOTE:
IF SHORTER RODS ARE REQUIRED,
CUT TO LENGTH AND DRILL .125 / 1/8" DIA
HOLE THROUGH.
ATTACH RAIL END CAP
TO MOUNTING PLATE
WITH (2) COVER SCREWS
VERTICAL REFERENCE LINE
(C CHASSIS)
L
FOR DOORS WITH STILE,
RAIL MUST OVERLAP STILE
BY 1/2" MIN.
CUT OFF ON MARK
AND DEBURR
PLACE MOUNTING PLATE
TIGHT AGAINST RAIL AND
ATTACH IT TO THE DOOR
WITH TWO #10 ROUND
HEAD SCREWS
Attach rail assembly to the chassis with two
#8 Truss head machine screws
Level
Mounting plate
1 3/4" MIN.
“X”
“Y”
Adjustment Pin
Bottom case
Bottom
cover
Guide
TOP STRIKE
12-3727 / 12-NB3727
1/8" GAP REQUIRED
(SHIM STRIKE AS NECESSARY
TO OBTAIN AN 1/8" GAP)
Retractor
Guide
Top cover
Top rod
Adjustment pin
Top case
Main slide
12-NB3727
1. MOUNT TOP STRIKE ACCORDING TO LOCATION
MARKED IN SECOND STEP. USE FOUR (4) #10
STEEL SCREWS AND MORTISE NUTS IN THE
FOUR CORNER MOUNTING HOLES ILLUSTRATED
IN THE TOP CASE.
2. SCREW TOP ROD INTO MAIN SLIDE
3. ASSEMBLE TO TOP CASE BY INSERTING
ADJUSTING PIN THROUGH RETRACTOR AND
MIDDLE HOLE IN ROD (SEE ILLUSTRATION
AT RIGHT). ADJUST SO THAT TOP CASE
MOUNTING HOLES LINE UP WITH LOCATION
MARKED IN SECOND STEP.
NOTE:
IF SHORTER RODS ARE REQUIRED,
CUT TO LENGTH AND DRILL .125 / 1/8" DIA
THROUGH HOLES
DETERMINE CUT OFF DIMENSION "X" BY SUBTRACTING 1-3/4" FROM
DIMENSION "Y"
B
A7426E
Center chassis
assembly
APPLY COVERS
6.
INSTALL RAIL ASSEMBLY
RAIL CUTTING INSTRUCTIONS
5.
ATTACH COVERS TO TOP
AND BOTTOM CASES WITH
(4) COVER SCREWS EACH
Thermal pins required for pair of 12-NB-3727
devices, one per door. 12-NB-3727 devices are
NOT offered for single door application.
See template 4217A or instruction sheet A7436B
for thermal pin door prep and installation.
Copyright © Sargent Manufacturing Company, an ASSA ABLOY Group company.
All rights reserved. Reproduction in whole or in part without the express written permission
of Sargent Manufacturing Company is prohibited.
1/4" Min.