Norton PR7570 Series Installation Instructions

PR7570/PR7770 Series
Note: For Special Applications a separate door and frame preparation template is packed with these instructions.
Use this instruction sheet for installation sequence and closer adjustments only.
Series
Sized*
Closer
PR7770
* PR7770 Series are sized door closers wi h 50% power increase capability.
Power size 2 weakest power, power size 6 strongest.
** PR7570 Series can be adjusted from power size 1 thru 6.
*For closers with or without "DA" suffix Delayed Action closing feature
**Note:
Right Hand Door – RH
Left Hand Reverse – LHR
• Door closer cover is handed and cannot be reversed. All other components are non handed.
• It is recommended that the door, on which the door closer will be installed, be hung on ball bearing hinges or offset pivots. Door must
swing freely.
• A separate door stop, supplied by others, is recommended to prevent damage to the door closer, closer arm, or to the door, frame or
adjacent walls.
• Door and Frame must be properly reinforced, or use of special fasteners employed, to prevent the mounting screws from pulling out.
• All dimensions are given in inches with corresponding metric dimensions (mm) in parenthesis.
• Torx tamper resistant drive machine screws are normally supplied with this product.
Installation Instructions
80-9377-0621-020 (03-13)
adjusted door closer can cause
property damage or personal injury.
followed to avoid the possibility of
misapplication or misadjustment.
Parallel Non Hold Open or Hold Open Arm
For Hold Open function, consult factory or authorized representative
Multi-Sized **
Closer
Security Door Closer
PR7570
(Door Closer with both a Security Cover and Security Arm)
Push Side Installation
Closer mounts on opposite to hinge (push) side of door.
An incorrectly installed or
improperly
These instructions should be
Product Type
t
Security Door Closer
Left Hand Door – LH
Right Hand Reverse – RHR