Norton 7500 Series Door Closer RP75-M2020 Adapter Plate Regular or Parallel Arm Retrofit to replace Rixson M2020 Installation Instructions

This is a SUPPLEMENT SHEET to the Standard Installation Instructions

(Use this sheet for preparation of the door frame and the installation of the adaptor plate only) (Use the installation instructions packed with the door closer for installation sequence and adjustments)

RP75-M2020 Adapter Plate for Regular Arm and Parallel Arm Applications To Retrofit a Norton® 7500 Door Closer For An Rixson M2020 Door Closer

• Remove old closer body and arm assembly from door and frame.
• Using illustrations at left, drill and/or tap holes in frame as shown for Regular or Parallel Arm Mount (see "Preparation for Fasteners at right).
• Using existing holes, attach adaptor plate to door using three 1/4"-20 x 9/16" screws provided thru the countersunk holes of the adaptor plate. Thru bolt applications may require different fasteners
• Attach door closer to adaptor plate using three 1/4"-20 x 2" and one 1/4" 20 x 2-1/4" screws provided (see Installation Instructions)
• Attach arm assembly to frame and closer pinion (see installation instructions)

Preparation for Fasteners
Fasteners	Door or Frame	Drill-Sizes
Self-Drilling Screw	Aluminum or Metal	No drill required
	Wood (see Note)	3/16" (4.30 mm)
1/4" - 20 machine screw	Metal	Drill: #7 (0.201" dia.) Tap: 1/4" - 20

Note: Wood doors/frames MUST have pilot hole when using Self-Drilling Screws.

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