Workrite Ergonomics Sierra SEHX78-90 Series Programming manual

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Parts Included
QRear Bracket Qty: 2
RConnector Bracket Qty: 1
ALeg Qty: 2
S#M6 × 12 mm Flat Head Cap Screw
Qty: 4
Assembly & Installation Instructions:
Sierra 2-Leg Desk in a Box SEHX78-90-XXX-XX-X
E4 mm Allen Wrench Qty: 1
NLeg Cable, 1 meter
Qty: 2
OPower Cord Qty: 1
KCable Spool Qty: 2
M" Cable Loops Qty: 10
BShort Bracket Qty: 2
IControl Box Qty: 1
HFoot Glide Qty: 4
CLe End Bracket Qty: 1
DRight End Bracket Qty: 1
F#M6 × 14 mm Flat Head Cap Screw
Qty: 12
L#8 × ⅝" Pan Head Screw Qty: 12
G#12 × ¾" Pan Head Laminate Top Screw
Qty: 38
J#12 × 2" Flat Head Screw Qty: 2
TStyle or Flat Foot Kit Qty: 1
UStandard or Programmable Switch
Qty: 1
Sold Separately:
Worksurface
0.4126"
#3 Drive
0.134"3/4"
0.216"
#12 Screw Size
Need Box numbers ONLY
or
or

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IMPORTANT NOTE!
You must complete initialization (Step 13) at the end of
assembly or your workcenter WILL NOT FUNCTION PROPERLY.
WARNING: Maximum loading of table assembly is 225 lb. (102 kg.). Maximum load includes
the weight of the table top itself, any equipment placed upon it, and any equipment suspended or hanging under
it. Loading should be evenly distributed over table surfaces. “Payload Capacity” is the Workrite Ergonomics
recommended maximum loading which includes the Workrite sourced worksurface.
Sierra 2-Leg
V = 120 VAC, 60 Hz / 4.25 A maximum
IMPORTANT SAFETY INSTRUCTIONS:
When using an electrical furnishing, basic precautions should always be followed, including the following:
Read all instructions before using this Sierra Workcenter.
DANGER:To reduce the risk of electric shock, always unplug this Sierra Workcenter from the
electrical outlet before cleaning.
WARNING:To reduce the risk of burns, fire, electric shock, or injury to persons:
1. Unplug from outlet before putting on or taking o parts.
2. Close supervision is necessary when this furnishing is used by, or near children, invalids, or disabled persons.
3. Use this furnishing only for its intended use as described in these instructions. Do not use attachments not
recommended by the manufacturer.
4. Never operate this furnishing if it has a damaged cord or plug, if it is not working properly, if it has been
dropped or damaged, or dropped into water. Return the furnishing to a service center for examination and
repair.
5. Keep the cord away from heated surfaces.
6. Do not use outdoors.
7. Do not operate where aerosol (spray) products are being used or where oxygen is being administered.
8. To disconnect, remove plug from outlet.
9. Each surface intended to support an equipment payload capacity of 225 pounds.
FOR COMMERCIAL USE ONLY
SAVE THESE INSTRUCTIONS

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✓ Verify that you have all the tools needed for the assembly
You will need the following tools:
#2 tip Phillips screwdriver or drill/driver
#3 tip Phillips screwdriver or drill/driver
M4 tip bit or 4 mm Allen Wrench (E)
If you do not have a Workrite worksurface, you will also need:
⅛" pilot drill bit
3/32" pilot drill bit
1 Assemble Rear Brackets Set
Assemble Rear Brackets (Q) to Connector Bracket (R) using
#M6×12 mm Flat Head Cap Screws (S).
Use this guide to determine the
correct holes for mounting based on
the width of your workcenter.
Tighten securely.
or
80"
74"
68"
S
E
Q
Q
Q
Q
Q
Q
R
R
R
To avoid stripping the threads, always
insert and make the first few turns
of the screw BY HAND with an Allen
wrench (E), ensuring it is in straight.
76" Workcenters
88" Workcenters
82" Workcenters
S#M6 × 12 mm Flat Head Cap Screw
Hardware at actual size
Note!
Only use the #M6 × 12 mm Flat Head
Cap Screw (S) for assembly.
Note: Workrite Brackets can be
sized in 3" increments for any
non-Workrite top. Keep bracket
construction as symmetrical as
possible for best support.

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2 Attach Brackets to Legs
2.1 Attach Short Brackets (B) using #M6×14mm Flat Head Cap Screws (F) to both legs.
2.2 Attach Le End Bracket (C) and Right End Bracket (D) to sides of the Leg (A) using #M6 × 14 mm Flat Head Cap
Screws (F).
2.3 Attach Rear Bracket Assembly to sides of the Leg (A) using #M6 × 14 mm Flat Head Cap Screws (F).
Note: The Right End Bracket
will be on your le and vice
versa when the assembly is
seen upside down.
Tighten securely.
B
B
D
C
F
F
F
F
F
F
To avoid stripping the threads, always
insert and make the first few turns
of the screw BY HAND with an Allen
wrench (E), ensuring it is in straight.
Le Leg
Right Leg
Right End Bracket
Le End Bracket
front
Rear Bracket Assembly
Q&R
2.1
2.1
2.3
2.3
2.2
2.2
A
A
E
F#M6 × 14 mm Flat Head Cap Screw
Hardware at actual size
Caution!
Only use the #M6 × 14 mm Flat Head
Cap Screw (F) for assembly.

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3 Attach Base to Pre-Drilled Workrite Worksurface
Note: For 2-Leg Corner and 120° Worksurface Mounting Instructions, go to: www.workriteergo.com/instructions
If you have a non-Workrite worksurface, skip to Step 5
3.1 Position leg assembly to align mounting holes in brackets to pre-drilled holes in worksurface.
3.2 Attach at the four corner locations using #12 × ¾" Pan Head Laminate Top Screws (G). If you use an electric
screwdriver, be sure it is on the lowest torque setting to avoid stripping the holes in the top.
3.3 With frame set positioned and the four corner screws secure, attach frame
set using the remaining #12 × ¾" Pan Head Laminate Top Screws (G).
Skip to Step 6.
G
3 screws per
Short Bracket
2 screws per End Bracket
(2 installed in Step 3.2)
22 screws per
Rear Bracket Assembly
3.1
front
3.2
3.2 3.2
3.2
3.3
3.3
3.2
G#12 × ¾" Pan Head Laminate Top Screw
Hardware at actual size
3.3

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4 Attach Base to Non-Workrite
Worksurface
Note: For 2-Leg Corner and 120° Worksurface Mounting Instructions, go to: www.workriteergo.com/instructions
4.1 Position Leg Assembly
centered le to right and
6.125" from the front of the
worksurface, making sure the
frame runs parallel with the
back edge of the worksurface.
4.2 Use a ⅛" drill bit to drill pilot holes at the four corner
locations. You may wish to mark your drill bit so you
do not drill any more than ¾" deep and damage tour
worksurface top.
Do not drill all the way through worksurface!
4.3 Attach at the four corner locations using #12 × ¾" Pan Head Laminate Top Screws (G). If you use an electric
screwdriver, be sure it is on the lowest torque setting to avoid stripping the holes in the top.
4.4 With frame set positioned and the six corner screws secure, drill pilot holes first then attach the frame set using
the remaining #12 × ¾" Pan Head Laminate Top Screws (G).
6.125" 23"- 30"
>¾"
6.125"
front
4.1
4.1
4.2
4.2
4.2
4.2
Note: Avoid trip or tip hazards!
For uniquely shaped, non-rectangular worksurfaces, it is the
installers responsibility to position the worksurface to minimize
extended overhangs and position feet fully under the worksurface.
G#12 × ¾" Pan Head Laminate Top Screw
Hardware at actual size
3 screws per
Short Bracket
2 screws per End Bracket
(2 installed in Step 4.3)
4.3
4.3
4.3
4.3
4.4
G
G
G
G
4.4
16 screws per
Rear Bracket Assembly
4.4

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5 Attach Feet & Install Foot Glides
5.1 Install feet (T) using #M6×14mm Flat Head Screws(F) included with this Frame Set.
5.2 Attach Foot Glide (H) to bottom of the Feet supplied in your Foot Kit.
6 Attach Switch
Install switch (U) with two #8 × 5/8" Pan Head Screws (L).
7 Loop Power Cord through Strain Relief on Control Box
7.1 Loop the Power Cord (O) thought the strain relief
channel on the bottom of the Control Box (I) as
shown. Leave eight inches of slack to rout cord.
7.2 Plug Power Cord (O) into port AC on the Control
Box (I).
7 .3 Lay the Control Box down in installation location
with cables in place.
Standard Switch
Programmable Switch
or
8"
8"
5.1
5.2
5.2
O
O
H
L
U
T
H
I
I
F
7.2
7.1
bottom
Flat Foot shown
Programmable Switch shown
F#M6 × 14 mm Flat Head Cap Screw
Hardware at actual size
Caution!
Only use the #M6 × 14 mm Flat Head
Cap Screw (F) for assembly.

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8 Attach Control Box & Cable Spools to Worksurface
8.1 Position Control Box (I).
If you have a Workrite worksurface:
Locate the two pilot holes for the Control Box and proceed to Step 9b.
If you do not have a Workrite worksurface:
Place Control Box (I) in position and use a pencil to mark pilot hole placement. Control Box should be placed
towards rear center of worksurface as shown. Remove Control Box and drill pilot holes where marked.
Do not drill all the way through worksurface!
8.2 With Control Box (I) positioned over pilot holes, attach with two #12 × 2" Flat Head Screws (J).
8.3 Attach Cable Spool (K) with the #12 × ¾" Pan Head Screw (G) to underside of worksurface. If you do not have a
Workrite worksurface, mount Cable Spools (K) in a convenient location between Legs and Control Box.
8.4 Lay out Leg Cables (N) to be sure they reach from the Legs (A) to the Control Box (I).
8.1
8.4
8.4
8.3
8.3
8.2
K
K
I
G
A
A
G
N
N
O
G#12 × ¾" Pan Head Laminate Top Screw
J#12 × 2" Flat Head Screw
Hardware at actual size
Hardware at actual size
JJ

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9 Attach Cable Loops and Route Cables
9.1 Connect both of the 1 meter Leg Cables (N) to both Legs (A).
9.2 Wind any remaining slack around Cable Spools (K) to keep cables out of the way while leaving enough slack to
just reach the Control Box (I).
9.3 Attach Cable Loops (M) to underside of worksurface using #8 × ⅝" Pan Head Screw (L) making sure to wrap the
Cable Loop around the cable prior to attaching. If you do not have a Workrite worksurface, attach cable loops in
convenient locations between Legs or Switch and the Control Box.
L#8 × ⅝" Pan Head Screw
I
9.2
9.2 9.1
9.1
L
L
L
M
K
K
M
M
Hardware at actual size
N
N
N
A
A
9.3
9.3
9.3

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10 Connect Leg Cables, Switch Cable and Power Cord to Control Box
10.1 Connect the Leg Cables (N) to the ports “1” & “2” on both sides of the Control Box (I).
10.2 Insert the Switch Cable into port “A1” on the Control Box (I).
N
N
O
II
Right Leg Cable (P) into Port “1”
Switch Cable into Port “A1”
Power Cord (Q ) into Port “AC”
Left Leg Cable into Port "2"
10.2
10.1
10.1
N
N

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11 Put Workcenter Upright and Connect Power Cord to the Power Supply
11.1 Turn the workcenter over into an upright position.
Caution: Use at least two people to flip or move Workcenters. HEAVY!
11.2 Plug the Power Cord (O) into the power outlet.
12 Adjust Feet Glides
If necessary, adjust the Foot Glides (H) on workcenter feet to level the worksurface. Unscrew to increase height,
screw in to decrease height.
O
11.1
11.2

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#1500455 Rev A
✓Cleaning Instructions
To clean the Sierra legs, apply cleaner to a so cloth.
Suggested cleaners: Windex or Formula 409.
Do not use solvents and do not saturate or spray cleaners directly onto workcenter base.
✓Parts & Accessories
Visit http://workriteergo.com/documentation/other/workrite_ergonomics_pricing_specification_guide.pdf for
replacement parts.
13 Initialize Legs
Aer all Legs and the Switch are connected, and the power cord has been plugged in, hold the down arrow on
the Switch until the Legs make a short motion down and then back up. This initializes and synchronizes the
workcenter Legs.
You must complete this
initialization step or
your workcenter will
NOT function properly.
Hold down the down arrow
until workcenter moves
slightly upwards!