Assa Abloy Norton 7570 Series User manual

Installation Instructions80-9377-0601-020 (03-13)Security Door CloserSeries 7570 / 7770Pull Side InstallationCloser mounts on hinge (pull) side of door.Left Hand Door - LHRight Hand Reverse - RHRRegular Non-Hold Open ArmRegular Arm is not available with a Hold Open Function
CAUTION
CAUTION
*For closers with or without "DA" suffix Delayed Action closing featureSeriesProduct TypeSized*CloserMulti-Sized**Closer77707570Security Door Closer(Door Closer with both a Security Cover and Security Arm)*7770 Series are sized door closers with 50% power increase capability. Power size 2 weakest power; power size 6 strongest.*7570 Series can be adjusted from power size 1 thru 6.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.Right Hand Door - RHLeft Hand Reverse - LHR!MAXIMUM HINGE SIDE FRAME REVEAL IS 1/8" (3mm).!Security Door Closers only: 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, 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 (millimeters) in parenthesis.!Torx tamper resistant drive machine screws are normally supplied with this product.**Note:

Page 280-9377-0601-020 (03-13)TemplateRight Hand Door Shown (Left Hand Installation is opposite.)Preparation for Fasteners
Standard
Door orFrameFastenersDrill-Sizes1/4" - 20Machine ScrewMetalDrill: #7 (0.201" dia.)Tap: 1/4" - 20
Optional
Sex Nuts and Bolts(SNB)HollowMetal9/32" (7 mm); through3/8" (9.5 mm) on door or transom-faceopposite to closerAluminumor Wood3/8" (9.5 mm) through• For 7570 MODELS ONLY set closer power for door size using chart below.NOTE: Maximum of 16 360° turnsof Power Adjustment Nut-Turns from ZeroInterior DoorExterior Door025825811DoorSizeInches(mm)28-32(711-813)33-36(838-914)37-42(940-1067)43-48(1092-1219)Install closer per instructionswith the proper pre-load applied to the arm then adjust spring power. The power adjustment will notwork properly if the closerspring is not pre-loaded.To increase power, use 11/16"wrench to turn poweradjustment nut clockwise.To decrease power, turn nutcounter clockwise. DO NOT use a power drill or driver to turn adjustment nut. This will damagecloser and void warranty."Spring PowerAdjustment Nut"+
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Page 380-9377-0601-020 (03-13)3. Mount closer on door. (A drop plate is available for use on doors having narrow top rails.) Power Adjustment Nut should be away from hinge. Valves are DOWN for Left Hand Door. Valves are UP for RIGHT HAND DOOR.Right Hand Door Shown4. Place main arm on shaft, aligning "S" mark on arm with pinion flat on pinion shaft. Push down into position. Secure with 1/4-20 x 1/2 (13) with hex head machine screw.Main Arm Screw5. With door closed, rotate arm away from hinge and align shoe with mounting holes in frame. Fasten arm shoe to frame with round head screws provided.CAUTION: Closer arm is under spring tension and may be difficult to rotate.CAUTION: Do not back valves out of closer or a leak will result!6. Make closer adjustments (see back page) before installing cover.7. Install Cover:Screw Standoffs into holes in closer. 8. Fasten cover to closer with 4 #8-32 x 1/4 RHMS provided.8-32 x 1/4 RHMS (4 Req'd)ScrewStandoffsintocloser.Installation Sequence1. Use template on page 2 to locate holes on door and frame:4 on door for closer or backplate2 on frame face for arm shoe.2. Prepare door and frame for fasteners using chart above.

Unit AdjustmentOpening Door ControlsFigure 4BackcheckFigure 5
1/8"HexKey
IncreaseDecrease
1/8"HexKey
Opening Door Control (Figure 4.)• Backcheck ("B") valve controls the hydraulic resistance to door opening. NEVER close this valve completely – it is not to provide a positive stop.• Backcheck position ("P") valve controls the door angle where backcheck cushioning starts. Valve normally closed.Backcheck CushionBackcheck PositionOpen for backchecklater in door-openingcycle.Closing Speed ControlsClosing Speed ControlsFigure 2Figure 32B2A
1/8"HexKey
SlowFast"L" (Latch)"L" (Latch)"S/D” (Sweep)"S" (Sweep)"S/D" (Delayed Action)StandardClosing CycleDelayed ActionClosing CycleClosed
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Standard CloserDelayed ActionCloserAll ValvesDo not force valvescounter-clockwise outof closer body or a fluidleak will occur.Do not force valvescounter-clockwise outof closer body or a fluidleak will occur.Closing Power ControlFigure 1Install closer per instructionswith the proper pre-load applied to the arm then adjust spring power. The power adjustment will notwork properly if the closerspring is not pre-loaded.To increase power, use 11/16"wrench to turn poweradjustment nut clockwise.To decrease power, turn nutcounter clockwise. DO NOT use a power drill or driver to turn adjustment nut. This will damage closer and void warranty.For 7570 OnlySet closer to desired size. For recommended sizes, refer to the Power Adjustment Chart on page 2.Norton® is a registered trademark of Yale Security Inc., an ASSA ABLOY Group company. Copyright © 1991, 2013, Yale Security Inc., an ASSA ABLOY Group company. All rights reserved.Reproduction in whole or in part without the express written permission of Yale Security Inc. is prohibited.
3000 Highway 74 East • Monroe, NC 28112Tel: (877)- • Fax: [phone]www.nortondoorcontrols.com974-2255
ASSA ABLOY
80-9377-0601-020 (03-13)Page 4Opening Cycle
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"P"(Normally Closed)"B"(NEVER CloseCompletely)+
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