Omnimount 30.0 CA User's Manual
Contents
1. with a machine screw which can later be used to attach the oc assembly Sometimes threaded inserts that are closed off or blind at the bottom are factory installed in speakers Question If my speakers do not have inserts will void the speaker warranty if I drill holes into my speaker enclosure Answer We have not found this to be the case check if you want to Speaker manufacturers want their speakers to sound their best and generally endorse the use of OmniMount products because the flexible placement and positioning OmniMount offers serves to improve the sound Of course if you drill for oil and hit some internal components on the way well that s another story But we do address how to avoid drilling holes too deep later in our installation instructions Question What happens if I want to sell my speakers in the future Answer Industry research shows that almost no one ever does But should you want to sell them in the future OmniMount will likely add value to the sale OMNIMOUNT 30 0 CA INSTALLATION INSTRUCTIONS DESCRIPTION The OmniMount 30 0 CA model is used for securing our speaker to the ceiling The mounting angle can e adjusted by loosening the clamp assembly tension screw and locked into position by simply tightening it Each mount is rated for speakers weighing up to 30 ounds 13 6 Kg and should be installed on y ona orizontal surface Surfaces must be strong flat and stable Th2. 5 2 Now insert the short end of the hex wrench Start tightening the hex tension screw See Fig 11 How tight To hold the speaker in position and prevent any slippage the clamp assembly must get a good bite into the ball and form a solid joint You need not be timid about the tightening procedure Of course it is possible to over tighten and strip the threads on just about any screw but it will take a lot to do so here The OmniMount assembly is designed to withstand well in excess of the tightening force necessary for your speaker to hold position yet the clamp assembly needs to be tightened only enough to lock and hold the speaker firmly at the chosen angle of adjustment When that point is reached no further tightening is necessary If the speaker loses its position do not attempt to move the speaker without first loosening the tension screw Reposition then re tighten the rarer screw further until the speaker is held firmly in place
3. Code 1994 Edition Vol 2 Structural and Engineering Design Provisions 2 United States ee of Agriculture Agriculture Handbook 72 Wood as an Engineering Material Prepared by Forest Products Laboratory Forest Service USDA 3 NDS Commentary on the National Design pecification for Wood Construction Commentary an the 1991 Edition American Forest and Paper Association OmniMount products have been installed successfully worldwide for many years To help ensure the Safe and proper use of our products we believe itis our responsibility to provide clear detailed instructions with Peete Updated precautionary information lease Note Every effort has been made to provide accurate and error free assembly and installation information OmniMount Systems Inc disclaims liability for y difficulties arising from the interpretation of information contained in these instructions OmniMount The General Ceiling Mounting Information and Installation Instructions provided herein are for use in the installation of loudspeakers Although OmniMount products are often used to support many different kinds of objects installed on a variety of mounting surfaces such use and installation may be subject to different specifications requiring installation information in addition to what is provided in this pamphlet In such cases be sure to ascertain suitability and obtain the required additional installation information sy
4. bit Measure 3 4 from the end of the drill bit and wrap a piece of tape around the shaft aarda 3 4 to protrude Carefully center the drill over the four existing holes and slowly drill down 3 4 of an inch to the bottom edge of the masking tape 1 4 You now need to separate the clamp assembly from the mounting plate ball shaft components Using the 1 4 allen hex wrench loosen the tension screw in the clamp assembly until the jaw opens ONLY enough so that you can release the ball Do not unscrew the tension screw completely 1 5 Place the clamp assembly over the holes to verify that the four holes are centered 1 6 Remove the poll assembly and hand insert four togglers into each hole gak a hammer tap eee the bottom of the ton er flange is flush with the surface of the speaker ig 3 Position the clamp assembly as indicated in figure 3A Insert the four screws through the clamp assembly and into each toggler Tighten firmly but do not tighten excessively Do not over tighten Tighter than firm does not add pull out strength and over tightening could weaken the installation ATTACHING THE MOUNTING PLATE TO THE MOUNTING SURFACE The mounting plate has four holes Two of the four holes must be aligned with the edge of a ceiling joist Attaching two lag bolts through two of the holes in the mounting plate and into the bottom edge of the joist is essential for a safe and secure installation
5. FINAL STAGES OF TIGHTENING AND POSITIONING 6 1 Check that the final rotational position for the ball shaft is correct Place the appropriate size wrench on the shoulder nut With equal pressure push eee the ball shaft in the opposite direction as you tighten the nut This will minimize the stress on both the mounting plate and the ceiling NOTE If you try to move the ball shaft without first loosening it where it joins the mounting plate lateral forces will transmit to the mounting plate fasteners The resulting stress transferred to the mounting surface could weaken the installation 6 2 If you need to readjust the lateral position of the ball shaft always loosen the shoulder nut first Remember tighter does not mean better Over tightening fasteners can weaken the installation and damage your speaker Whenever you need to readjust the position of the speaker to move freely around the ball re adjust to the new position and then re tighten Always remember to sels a the speaker when repositioning and when tightening the clamp assembly 6 3 IMPORTANT Since the ball will slowly compress under pressure you should check the clamp after 15 minutes and tighten again if necessary Then check once more in approximately one hour Always support the weight of the speaker while positioning it and tightening the clamp Congratulations Your installation is now complete Additional Reference 1 U B C Uniform Building
6. Into Ceiling ay Fig 8 3 1 Use the appropriate wrench for the shoulder nut Hold the ball shaft with one hand and tighten the shoulder nut with the other JOINING THE CLAMP ASSEMBLY AND THE BALL SHAFT MOUNTING PLATE NOTE You will need a second person who we ll call your assistant to help lift and support the speaker AN Very important When you tighten the clamp assembly make sure the second person supports the weight of the speaker and make sure there is no contact between the clamp assembly and ball shaft As you orient and hold the speaker in position and tighten the tension screw the only force acting upon the ball should be that of the clamp assembly call it To accomplish this the weight of the Speaker must be supported fully counteracting the forces of gravity that would otherwise act upon the assembly during tightening Two installers are needed for this one will support the speaker while the other tightens the clamp assembly See Fig 9 Fig 9 Do not permit the ball shaft to rest 7 eh or push against the clamp assembly There should be no contact between the ball shaft and the clamp assembly components during the tightenin procedure Be sure to support the weight of the Speaker Do not permit the speaker to hang from the clamp assembly while you re tightening the tension screw Be sure the clamp assembly is oriented in the proper direction as indicated on the template in step 1 2 4 1 Chec
7. Proceed as follows 2 1 Locate the joist onto which you will be mounting Position the bracket on the joist at the approximate location you have selected position the mounting plate so that the long dimension is perpendicular to the wall See Fig 4 Find the center of the Meelika and position it over what you believe to be the horizontal center of the joist Lightly pencil mark two lines on each side of the mounting plate about 2 long Remove the mounting plate and draw a horizontal line across the center connecting the two vertical pencil lines See Fig 4 I Joist l Pencil i Lines Fig 4 2 2 Locate the two Joist Locating Probes You will use these to find the center of the joist Lorie along the horizontal line use a hammer with the probe to tap holes through the ceiling Alternating at each side tap holes along the horizontal pencil line with spacing that is no more than in 1 16 increments until you have located the outside edge of the joist on both sides See Fig 5 as 2 3 Once you have found the outside edges of the joist insert the two probes into the holes closest to the edges of each side of the joist See Fig 6 Measure the distance between them It should be approximately 1 1 2 between the two edge locating holes Split the difference Measure 3 4 in from each end and mark the location This location should be the center with a straight line perpendicular to the wall See F
8. d OmniMount products are covered by patents issued and or pending OmniMount is a registered trademark of OmniMount Systems Inc OmniMount products are manufactured in the U S A Toggler is a registered trade mark of Mechanical Plastics Corporation Printed in the U S A Model 30 0 CA Revision 2 4 02 Part 607060 Model 30 0 Mounts from ceiling to back of speaker General Ceiling Mounting Information and Installation Instructions A Precautions Read this section carefully Whenever a speaker is affixed to a ceiling you must take special Care to mount it securely to prevent it fram falling and causing damage or injury For a Safe and secure installation use good judgement and common sense throughout all phases of the installation Load The OmniMount 30 0 CA will support speakers weighing up to 30 pounds 13 6 Kg Be aware of basic physical laws that affect balance stability and weight distribution If your speaker is heavier than 30 pounds we manufacture larger mounts with greater maximum weight ratings Mounting Surfaces Carefully evaluate the composition construction and strength of the surface you are mounting to OmniMount 30 0 Series products are packaged with fasteners intended for use in mounting to interior ceilings of standard joist or beam construction The installation instructions provided here are limited to this type of ceiling construction OmniMount 30 0 Series products can be
9. ere are two basic components to this OmniMount system Mounting Plate Shoulder Nut Ball Shaft Polymer Ball Clamp Plate ension Nut Jaw asher Tension Screw Clamp Assembly Mh mounting plate ball shaft mounts to the ceiling The clamp assembly consisting of the clamp plate and I orale to the back of the speaker The clamp assembly provides the clamp ing action that surrounds and compresses on the ball earl in the chosen angle of adjustment See Fig 1 PREVIEWING THE PROCEDURE The installation sequence consists of the following steps in this order 1 Mounting the clamp assembly to the back of the Speaker 2 Attaching the mounting plate to the mounting surface 3 Joining the clamp assembly to the mounting plate ball shaft 4 Adjusting the position of the speaker and tightening the clamp assembly Before oe begin familiarize yourself with the installation procedures by reading through the ee and installation instructions from eginning to end TOOLS REQUIRED 1 4 allen hex wrench supplied 5 32 pilot hole drill bit Joist Locating Probes supplied Small hammer Drill motor 3 16 and 5 16 drill bit Medium size crescent wrench 3 4 open end wrench A medium to large Hs screwdriver A power driver with phillips head bit optional Masking tape Acarpenter s bubble type level Fasteners etc Included glers 4 14 phillips screws 4 To 3 3 lag bolts 4 1 4 20
10. erts for mounting purposes have been provided by the speaker manufacturer a speaker can still be safely mounted on the wall But you have to be sure that it is put together strongly enough with materials strong enough to support its own weight with the 14 coarse thread screws and anchors provided Most compact speakers are made well enough and use adequate materials with adequate thickness for mounting with an OmniMount assembly The 14 screws should not be used in masonite thin panel wood or plastic Such materials will likely require different fastening hardware and methods The speaker may also need reinforcement to be mounted safely If your evaluation raises any questions about the speaker s construction or material strength contact our dealer or the speaker manufacturer and SK QUESTIONS More on this later More Precautions Read this section carefully Fasteners Attaching the clamp assembly and the mounting plate ball shaft requires fasteners appropriately Selected for strength and composition of the mounting surfaces involved The type of fasteners and anchors OmniMount Systems has provided have been carefully selected They are suitable for the majority of installation situations as discussed in these instructions Occasionally there will be an installation situation for which the fasteners provided are not suitable If it is determined that different fasteners are required they must always be 5 16 in diameter for t
11. he mounting plate 1 4 in diameter for the clamp assembly Fasteners must always be used in all available mounting holes Never use smaller diameter fasteners if you drill pilot holes the holes should be smaller than the core diameter of the screws Do not over tighten fasteners Over tightening can weaken the mounting surface damage the fasteners and make the attachment fess secure If you are not sure about the suitability of the fasteners provided for your installation ASK QUESTIONS NOTE A second person is necessary to hold the speaker in place during the tightening procedure Securing the clamp assembly to the speaker There are four things you need to know about your speaker before you begin 1 Are any internal components such as the crossover network directly behind the location onto which you will be mounting the clamp assembly Is the material you are mounting into strong enough to safely support the load 5 internal reinforcement needed Are the fasteners provided suitable for your installation cei PS NOTE When mounting the clamp assembly you will need a minimum of 1 4 clearance inside the speaker enclosure away from any internal components The easiest way to find out if you have adequate clearance is to check directly with the speaker manufacturer Or you can check yourself by carefully removing the largest driver speaker component Move wu insulation out of the way and physical
12. ig 6 l joist l L 1 12 J Joist Locating Probes on each side of joist NOTE Check that the surface arak larh and the fasteners will not interfere with electrical wiring plumbing duct work etc inside the ceiling 2 4 Place the mounting plate on the ceiling location you have chosen The pencil line you have made should be visible as you look through the two joist attaching holes in the mounting plate See Fig 7 Fig 7 2 5 Remove the mounting plate and prepare the mounting surface and all holes You can use one of the probes to make a starter hole for the drill bit Having located the exact center of the joist insert the 5 32 pilot hole drill bit into your drill motor Drill four pilot holes two into the joist two into the mounting surface If the mounting surface is gypsum board you will use two sc in the holes on either side of the joist location holes See Fig 7 Be sure to use all four supplied lag bolts in all four holes in the mounting plate 2 6 Having drilled the 5 32 pilot holes for mounting to the joist drill 1 4 clearance holes in the other two locations for the nc pli Now insert the togglers into their a ibe riate holes Tap ean into place See Fig a ighten the bolts until they are snu against the mounting plate but not so tight that the bolt head causes the mounting plate to deform Do not over tighten the fasteners t W 3s PEER Mount S Insert
13. k again that the clamp assembly is open enough to clear the ball Get the 1 4 allen hex wrench Have your assistant lift the speaker into position and pop the clamp assembly onto the ball While your assistant supports the weight of the speaker insert the long end of the hex key See Fig 10 Turn the hex tension screw clockwise to take A the slack in the clamp assembly but do not tighten the ball should be properly seated and the speaker should still move easily Fig 10 ADJUSTING THE POSITION OF THE SPEAKER AND TIGHTENING THE CLAMP ASSEMBLY 9 1 Have e ll orient and hold the speaker in its final position Helpful Hints Use a carpenter s level to position the speaker parallel with the walls floor or ceiling To precisely focus a speaker s sound at a selected point In the listening area try using a flashlight in a darkened room With some masking tape attach the flashlight to the top of the speaker facing out over the front of the speaker enclosure Ve a soft cloth underneath it to avoid scratches Use the light beam to precisely image and focus the sound Caution As you tighten the tension screw the only pressure on the ball should be that of the clamp assembly compressing it Support the weight of the speaker Ensure that there is no pressure from the force of grav pulling or pone on the ball Ensure that the clamp assembly is not anera a lever by resting on or pushing against the ball shaft
14. ly check the clearance If you check by removing the driver be careful not to over tighten the screws when you replace it lf you had panied to mount the clamp assembly to the back of the speaker and discover later that components are mounted on the inside rear or too close to the back of the speaker you will have to use a different OmniMount model 30 0 WB and 30 0STMP models for example are ideal for mounting to the top or bottom of the speaker Sually good quality speakers are made of good Most manufacturers use 1 2 to 3 4 thick Medium Density Fiberboard MDF more commonly known as particle board or press board Some high end speakers are constructed of voidless Birch plywood If you are unsure A about the suitability of the fasteners provided or B about the speaker s integrity of materials and construction in relation to how you plan to mount it Ask Questions _ The speaker must be able to eye ge its own weight safely over an extended period of time The alternative would be to use OmniMount Model 30 0 STMP IFK suspending the speaker from its top Verify with the speaker manufacturer that the speaker is adequately constructed to suspend its own weight over time in this manner About drilling holes in your speaker Question Will compromise the sonic acoustic integrity of my speaker Answer Not really at all as long as you fill the hole with a fastener Factory installed inserts are often sealed
15. mounted to steel beams concrete slabs and other types of ceiling construction This type of construction does however require special anchors and fasteners for a secure and safe installation There are standard construction practices and fastening products available for mounting to these types of structural surfaces Seek professional help or contact OmniMount Systems technical support for more information The safety and security of your installation is most critically dependent on how securely the aih ount 30 0 mounting plate is affixed to the ceiling When mounting things to ceilings here are some of the most common installation errors Not locating the precise center of the joist screwing fasteners into an edge rather than the center of the joist This results in either splitting the wood or only partially engaging the screw shaff See Figs 1 amp 2 To maximize pull out strength the screw shaft needs to be located in the center of the joist See Fig 3 Screw Related Installation Errors raat a pilot hole is necessary to prevent the wood from splitting The pilot hole ts also required to provide a straight pathway for the screw to travel as it penetrates the stud A pilot hole should serve to simply guide the travel ofthe screw See Figs 4 amp 5 Pilot bloke Paling pilot Fig 4 holes that are too large for the diameter of the screw shaft significantly Fig 5 reduces Pilot H
16. ole pull out strength Screws have a major diameter and a minor diameter See Figs 6 amp 7 The pilot hole should always be smaller than the minor diameter of the screw shaft Fig 6 Minor Diameter Fig 7 Fann Diameter Always use screws long enough to penetrate deeply into the joist or beam See Figs 6 amp 9 TOGSHGRT Fig 9 Locating the Center of a Joist Do not rely on a measuring tape alone Standard joist construction practice places joists on centers between 12 and 24 But in reality joists are not always consistently on these centers You find the greatest discrepancy in joist centers when you measure from the corner of a room a with the first joist It may be helpful to locate several joists on the ceiling and measure their approximate centers There are a variety of electronic and magnetic stud or joist finders available on the market They can be a useful tool for finding the joist But it is essential that ou locate the exact center of the joist ow to do this is detailed in these installation instructions About The Speaker You Are Mounting To Some manufacturers provide OmniMount prepped threaded inserts on the back of their speakers such speakers have inserts that line up eee with the hole centers in the OmniMount clamp plate Be sure to provide adequate reinforcement to the speaker if it is determined that such reinforcement is necessary When no threaded ins
17. phillips machine screws e 2 Joist Locating Probes ATTACHING THE CLAMP ASSEMBLY TO THE SPEAKER Have you read and understood all information in 4 preceding pages Nn of the PLEASE READ THIS FIRST A If so let s beg INSTALLATION 1 1 Place the speaker on a flat protected surface Take care not to damage the drivers or speaker grille If necessary protect any protruding components on the front by blocking the speaker with cloth wrapped 2 x 4 s to raise the area where the damage could occur 1 2 Place the template as indicated in Fig 2 over the chosen location Be sure the template is centered ak THiS EDGE FACES TOWARDS TOP OF Fig 2 THIS EDGE FACES i i TOWARDS BOTTOM OF SPEAKER i i and straight Tape it down with masking tape Locate the Joist Locating Probes Use one and tap a mark in the center of each of the four corners of the template carefully in the middle of each crosshair Remove the template See Fig 2 Typical position can be above or below speaker terminal cup Fig 2 1 3 Insert a 3 16 diameter drill bit into your drill motor Measure 3 4 from the end of the drill bit and wrap a piece of tape around the drill bit shaft allowing 3 4 to protrude Carefully center the drill on each starter hole location and drill four holes slowly penetrating only to the bottom edge of the tape 3 4 Remove the 3 16 drill bit and replace it with a 5 16 diameter drill
18. stems Inc cannot reasonably assume responsibility or liability direct indirect or consequential for the structural integrity or Suitability of any speakers nor the suitability for mounting or the structural integrity of the surfaces walls ceilings decks floors etc to which such speakers are to be mounted The same holds true for design or manufacturing defects in speakers themselves or design _ changes made by speaker manufacturers that _ may affect the safe and secure mounting of their speakers Notice to the Purchaser The following is made in lieu of all warranties expressed or implied the Manufacturer s only obligation shall be to replace parts of this product proved to be defective within two ears of the date of purchase We are aware hat this mounting assembly may be used for purposes and in ways other than those for which it has been designed and manufactured The Manufacturer Distributor Retailer and their respective Agents cannot be held responsible or liable for injuries or property damage direct indirect or consequential arising out of the use or inability to use this product safely and properly OmniMount Systems Inc The Pointe at South Mountain 8201 South 48th Street Phoenix Arizona 85044 5355 Voice 480 829 8000 Fax 480 30 06 9000 1 800 MOUNT IT 668 6848 email hdqrs omnimount com Web www omnimount com Copyright 2002 OmniMount Systems Inc All rights reserve
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