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Workrite Ergonomics  |  (800) 959–9675  www.workriteergo.com 

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 3 

  Attach Short & Medium Brackets

3.1  Attach Short Brackets (E) using #M6×14 mm Flat Head Cap Screws 

(D) to all three Legs.

3.2  Attach Right End Bracket (G) to sides of the Right Leg (A) using #M6 × 14 mm Flat Head Cap Screws (D). Attach 

Left End Bracket (F) to sides of the Left Leg (A) using #M6 × 14 mm Flat Head Cap Screws (D). 

3.3  Attach Corner End Bracket (H) to the Center Leg (A) using #M6 × 14 mm Flat Head Cap Screws (D).
3.4  Attach both the Connected Rear Bracket (B & C assembled) and Floating Rear Bracket (B or B & C assembled) 

using #M6 × 14 mm Flat Head Cap Screws (D). 

3.5  Make sure the Connected Rear Bracket is  

on the longer of the two sides.
Tighten securely.

Note: The Right End Bracket (G) will be on 

your left when upside down.
Note: Left configurations will assemble as 

a mirror image of these instructions.

Left Leg

Center Leg

Right Leg

Three piece  

Connected Rear Bracket 

B

 & 

C

 assembled

Floating Rear Bracket 

B

 or 

B

 & 

C

To avoid stripping the threads, always 

insert and make the first few turns 

of the screw BY HAND with an Allen 

wrench (J), ensuring it is in straight.

Right End Bracket

Left End Bracket

E

D

D

D

D

D

D

D

B

J

D

D

E

E

H

A

A

F

G

A

Right configuration

44" & 48" configurations have a single Floating 

Rear Bracket 

B

 on the shorter side.

3.1

3.2

3.2

3.3

3.4

3.4

3.5

3.5

3.4

3.1

3.1

Left configuration

44" & 48" configurations

D

  #M6 × 14 mm Flat Head 

Cap Screw

Hardware at actual size

Caution! 

Only use the #M6 × 14 mm Flat Head 

Cap Screw (D) for assembly.

Summary of Contents for Sierra SEHX7890-4272OC Series

Page 1: ...Qty 2 A Leg Qty 3 E Short Bracket Qty 3 OControl Box Qty 1 L Corner Foot Qty 1 MFoot Glides Qty 4 F Left End Bracket Qty 1 GRight End Bracket Qty 1 HCorner End Bracket Qty 1 K 12 Pan Head Laminate Top...

Page 2: ...al furnishing basic precautions should always be followed including the following Read all instructions before using this Sierra Work center DANGER To reduce the risk of electric shock always unplug t...

Page 3: ...et Assemble Rear Brackets B to Connector Bracket C using M6 12 mm Flat Head Cap Screws X Use this guide to determine the correct holes for mounting based on the width of your work center Tighten secur...

Page 4: ...eads always insert and make the first few turns of the screw BY HAND with an Allen wrench J ensuring it is in straight C C C B B B B Use with 70 23 70 29 or 64 23 widths Use with 64 29 or 58 23 widths...

Page 5: ...et is on the longer of the two sides Tighten securely Note The Right End Bracket G will be on your left when upside down Note Left configurations will assemble as a mirror image of these instructions...

Page 6: ...lot holes at the six corner locations You may wish to mark your drill bit so you do not drill any more than deep and damage your worksurface top Do not drill all the way through worksurface 6 125 23 3...

Page 7: ...river be sure it is on the lowest torque setting to avoid stripping the holes in the top 5 2 Drill all remaining pilot holes first then install all remaining 12 Pan Head Laminate Top Screws K Tighten...

Page 8: ...ck to route cord 8 2 Thread the 1 meter Leg Cable R from the Center Leg through the cable channel on the bottom of the Control Box as shown Leave 8 of slack to route cable 8 3 Plug Power Cord T into p...

Page 9: ...ere marked Do not drill all the way through tabletop 9 2 With Control Box O positioned over pilot holes attach with two 12 2 Flat Head Screws N 9 3 Attach Cable Spool P with the 12 Pan Head Screw K to...

Page 10: ...ps Q to underside of worksurface using 8 Pan Head Screw I making sure to wrap the Cable Loop around the cable prior to attaching Attach cable loops in convenient locations between legs or switch and t...

Page 11: ...the Right Leg A and port 1 on the Control Box O Connect the Center Leg Cable R to the port on the Center Leg A 11 2 Insert the Switch Cable into port A1 on the Control Box O 11 3 Connect 2 Meter Leg C...

Page 12: ...instructions To clean the Sierra legs apply cleaner to a soft cloth Suggested cleaners Windex or Formula 409 Do not use solvents and do not saturate or spray cleaners directly to work center base You...

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