PEERLESS DST940 Guide

Installation and Assembly:

Dual Display Ceiling Mount System

Models: DST940

ISSUED: 08-10-09 SHEET #: 139-9011-4 01-07-2015

Max Load Capacity: 150 lb (68 kg)

Extension pipe

(sold separately)

2 of 10 ISSUED: 08-10-09 SHEET #: 139-9011-4 01-07-2015

NOTE: Read entire instruction sheet before you start installation and assembly.

Tools Needed for Assembly

• phillips screwdriver

• drill

• 3/8" drill bit

• Do not begin to install your Peerless product until you have read and understood the instructions and warnings

contained in this Installation Sheet. If you have any questions regarding any of the instructions or warnings, for US

customers please call Peerless customer care at 1-800-865-2112, for all international customers, please contact

your local distributor.

• This product should only be installed by someone of good mechanical aptitude, has experience with basic building

construction, and fully understands these instructions.

• Make sure that the supporting surface will safely support the combined load of the equipment and all attached

hardware and components.

• Never exceed the Maximum Load Capacity. See page one.

• Always use an assistant or mechanical lifting equipment to safely lift and position equipment.

• Tighten screws ﬁrmly, but do not overtighten. Overtightening can damage the items, greatly reducing their holding

power.

• This product is intended for indoor use only. Use of this product outdoors could lead to product failure and personal

injury.

WARNING

Table of Contents

Parts List.................................................................................................................................................................................3

Attaching Dual Cross Support to Extension Pipe...................................................................................................................5

Attaching Extension Columns to Dual Cross Support............................................................................................................5

Attaching Solid•Point™Column Mounts to Extension Columns..............................................................................................6

(Optional) Attaching DSX750 to Ceiling Arm Boxes...............................................................................................................7

Attaching Adapter Plate and Tilt Brackets to Ceiling Arm Boxes............................................................................................7

Attaching Adapter Brackets to Screens.............................................................................................................................. 8-9

Attaching Adapter Brackets to Adapter Plate....................................................................................................................... 10

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Before you begin, make sure all parts shown are included with your product.

Parts may appear slightly different than illustrated.

Description Qty Part #

A6" extension column 2 026-1014

Bdual cross support 1 139-1015

C4.5" hex bolt 1 520-9548

D3/8-16 nylock nut 1 530-9310

Eretaining collar 3 1800-375

Fextension pipe fiber washer 1 540-9431

GM5 x 10 mm screw 1 520-9250

Hceiling arm box 2 124-1974

Itilt bracket 2 200-1552

JM5 x 10 mm penta-pin screw 8 505-9010

Kextension column fiber washer 2 540-9432

LM10 x 15 mm penta-pin screw 16 520-9263

MM10 x 2" penta-pin tool 2 520-9260

NM5 x 1" penta-pin tool 2 520-9249

Padapter bracket 4 201-1511

Qadapter plate 1 124-1280

R4 mm allen wrench 1 560-9646

Parts List

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M5 x 25 mm (8)

520-1122

M4 x 12 mm (12)

510-1079

M4 x 25 mm (8)

510-1082

M5 x 12 mm (8)

520-1064 M6 x 12 mm (8)

520-1050

M6 x 25 mm (8)

520-1211

I.D. .22" (5.6 mm) (8)

540-1057

multi-washer (12)

580-1036

I.D. .34" (8.7 mm ) (8)

540-1059

Security Adapter Bracket Fasteners

M6 x 20 mm (8)

520-9554

M6 x 30 mm (8)

520-1067

M8 x 15 mm (12)

520-1068

M8 x 40 mm (8)

520-1152

M8 x 25 mm (8)

520-1101

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Slide dual cross support (B) onto end of extension

pipe (sold separately) followed by extension pipe

ﬁber washer (F) and retaining collar (E). Tighten

retaining collar so that thread is securely engaged.

Align one small hole of retaining collar (E) with slot

of the extension pipe as shown in ﬁgure 1.2. Insert

and tighten one M5 x 10 mm phillips screw (G)

through hole of retaining collar into slot of extension

pipe.

Rotate dual cross support (B) to desired position.

Drill 3/8" dia. hole into extension pipe through hole

of dual cross support (B). Lock into place with 3/8"

bolt (C) and nylock nut (D) as shown in ﬁgure 1.1.

Attaching Dual Cross Support To Extension Pipe

• Installer must verify that the supporting surface will

safely support four times the combined weight of all

attached equipment and hardware.

• For safety, retaining collar must be locked to exten-

sion pipe with screw.

WARNING

ﬁg. 1.1

Attaching Extension Columns to Dual Cross Support

2Thread extension column (A) into bottom of

threaded ﬁtting on dual cross support (B) as shown.

Tighten extension column so thread is securely

engaged.

Align one small hole in the threaded ﬁtting of dual

cross support (B) with slot of extension column

(A) as shown. Insert and tighten one M5 x 10 mm

penta-pin screw (J) through the hole of threaded

ﬁtting and slot of extension column (A).

Use the M5 penta-pin tool (N) to tighten screw.

Repeat step two to attach second extension column

(A) to dual cross support (B).

Drill hole in

extension pipe

through existing

hole in dual

cross support

Extension pipe

VIEW FROM BELOW

ﬁg. 1.2

Extension

Pipe

Small

Hole

Slot

Small

Hole

Slot

Threaded

Fitting

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Attaching Solid•Point™Column Mounts to Extension Columns

Insert four M10 x 15 mm penta-pin screws (L) into threaded holes on the sides of ceiling arm box (H) as shown in

ﬁgure 3.1. Leave approximately 1/4" of exposed thread as shown in detail 1.

Slide ceiling arm box (H) onto end of extension column (A) followed by extension column ﬁber washer (K) and

retaining collar (E) as shown in ﬁgure 3.2. Tighten retaining collar and align slot of extension column (A) with hole

of retaining collar (E).

Back View

ﬁg. 3.1 DETAIL 1 ﬁg. 3.2

ﬁg. 3.3

DETAIL 2

Slot

Small hole

Insert and tighten one M5 x 10 mm penta-pin screw (J) through the hole of the retaining collar (E) and slot of ex-

tension column (A) as shown in ﬁgure 3.3.

Insert one M5 x 10 mm penta-pin screw (J) through the tab on the back of ceiling arm box (H) as shown in detail 2.

Use the M5 penta-pin tool (N) to tighten screws. Repeat step three to attach second ceiling arm box (H).

NOTE: Both ceiling arm boxes (H) must be at same height to attach adapter plate (Q) properly.

3-2

1/4"

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Attach two adapter box (supplied with DSX750) to ceiling arm box (H) using four M10 screws

(supplied with DSX750) per box as shown below.

NOTE: Use DSX750 instructions to complete installation of adapter box (supplied with DSX750).

Attaching DSX750 To Ceiling Arm Boxes (Optional)

Attach two tilt brackets (I) to adapter plate (Q) using eight M10 x 15 mm penta-pin screws (L) and tighten with

M10 penta-pin tool (M) as shown in ﬁgure 5.1. Hook tilt brackets onto screws of ceiling arm boxes (H) as shown in

ﬁgure 5.2. Adjust tilt to the zero degree tilt position as shown in ﬁgure 5.3 and tighten eight M10 x 15 mm penta-pin

screws (L) with M10 penta-pin tool (M).

Attaching Adapter Plate And Tilt Brackets To Ceiling Arm Boxes

ﬁg. 5.1

ﬁg. 5.2

LIQ

ﬁg. 5.3

M10 SCREWS

(SUPPLIED WITH DSX750)

ADAPTER BOX

(SUPPLIED WITH DSX750)

8 of 10 ISSUED: 08-10-09 SHEET #: 139-9011-4 01-07-2015

Note: "X" dimensions should be equal.

Installing Adapter Brackets

To prevent scratching the screen, set a cloth on a ﬂat, level surface that will support the weight of the screen. Place

screen face side down. If screen has knobs on the back, remove them to allow the adapter brackets to be attached.

Place adapter brackets (P) on back of screen, align to holes, and center on back of screen as shown below. Attach

the adapter brackets to the back of the screen using the appropriate combination of screws, multi-washers and

spacers.

NOTE: Top and bottom holes on screen must always be used.

Verify that all holes are properly aligned, and then tighten screws using 4 mm allen wrench (R). Repeat step ﬁve to

attach adapter brackets to second screen.

MEDIUM HOLE FOR M5 SCREWS

SMALL HOLE FOR M4 SCREWS

LARGE HOLE FOR M6 SCREWS

CENTER BRACKETS

VERTICALLY ON BACK OF

SCREEN

Notes:

• The number of fasteners used will vary,

depending upon the type of screen.

• Multi-washers and spacers may not be

used, depending upon the type of screen.

• Use the corresponding hole in the multi-

washer that matches your screw size as

shown.

MULTI-WASHER

• Tighten screws so adapter brackets are ﬁrmly attached. Do not tighten with excessive force. Overtightening can

cause stress damage to screws, greatly reducing their holding power and possibly causing screw heads to become

detached. Tighten to 40 in. • lb (4.5 N.M.) maximum torque.

• If screws don't get three complete turns in the screen inserts or if screws bottom out and bracket is still not tightly

secured, damage may occur to screen or product may fail.

WARNING

NOTE: For ﬂat back screens proceed to step 6-1. For bump-out or recessed back screen skip to step 6-2

9 of 10 ISSUED: 08-10-09 SHEET #: 139-9011-4 01-07-2015

Refer to Screen Compatibility Chart to determine the proper fastener to use. Visit www.peerlessmounts.com/2

for a full screen compatibility chart for this mount.

Begin with the shortest length screw, hand thread through multi-washer and adapter bracket into screen as shown

below. Screw must make at least three full turns into the mounting hole and ﬁt snug into place. Do not over tighten.

If screw cannot make three full turns into the screen, select a longer length screw from the bafﬂed fastener pack.

Repeat for remaining mounting holes, level brackets and tighten screws.

NOTE: Spacers may not be used, depending upon the type of screen.

Refer to Screen Compatibility Chart to determine the proper fastener to use. Visit www.peerlessmounts.com/2

for a full screen compatibility chart for this mount.

Begin with longer length screw, hand thread through multi-washer, adapter bracket and spacer in that order into

screen as shown below. Screw must make at least three full turns into the mounting hole and ﬁt snug into place.

Do not over tighten. If screw cannot make three full turns into the screen, select a longer length screw from the

bafﬂed fastener pack. Repeat for remaining mounting holes, level brackets and tighten screws.

For Flat Back Screen

For Bump-out or Recessed Back Screen

6-1

6-2

If you have any questions, please call Peerless customer care at 1-800-865-2112.

ADAPTER BRACKET (P)

SCREEN

ﬁg 6.1

MULTI-WASHER

SCREW

SCREEN

MULTI-WASHER

SCREW

ADAPTER BRACKET (P)

ﬁg 6.2

SPACER

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Hook adapter brackets (P) to adapter plate (Q) as

shown in ﬁgure 7.1. Tighten safety/security screws

using allen wrench (R) until safety/security screw

touches bottom of wall plate as shown in detail 4. To

adjust tilt of screens, loosen M10 x 15 mm penta-pin

screws (L) of ceiling arm box (H) using M10 penta-

pin tool (M) as shown in ﬁgure 7.2. Once desired tilt

is acquired retighten the screws.

Attaching Adapter Brackets To Adapter Plate

ﬁg. 7.1

DETAIL 4

ﬁg. 7.2

Security/Safety

Screws

All other brand and product names are trademarks or registered trademarks of their respective owners.

• Always use an assistant or mechanical lifting

equipment to safely lift and position the ﬂat panel

screen.

• Do not tighten screws with excessive force.

Overtightening can cause damage to mount.

Tighten screws to 40 in. • lb (4.5 N.M.) maximum

torque.

WARNING

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