CRL JACKSON 300 Series, Installation Instructions Manual, Page: 7 / 8

CRL JACKSON 300 SERIES THIN SLAB FLOOR MOUNTED DOOR CLOSER
07
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CLOSER ARM INSTALLATION-CAT NO. 20800628
8. Secure the arm plate to the bottom door rail
with (4) 1/4-20 x 1" flat head machine screws.
9. Secure the closer arm to the bottom door rail with (1) 1/4-20 x 5/8"
set screw and (2) 5/16-18 x 1 1/2" flat head machine screws.
Arm Plate
1/4-20 x 1"
Flat Head
Machine
Screw
5/16-18 x 1 1/2"
Flat Head
Machine
Screw
1/4-20 x 5/8"
Set Screw
Arm