Spectrum Industries 38912ADJ User manual

057859R10 Page 1 of 5
Assembly InstructionsAssembly Instructions
Important
Before you begin, read and comply with all safety and operating instructions,
and ensure all parts and correct quantities are included.
Any parts damaged during shipment must be reported within 5 days of receipt. To
report information regarding missing parts or damage, to purchase parts or acces-
sories, or if you have any questions, please contact us.
www.spectrumfurniture.com
800-235-1262, 715-723-6750
Thank you for purchasing Spectrum products!
(1) 057922
Chair rail bracket #1
(3) 043771
1/4-20 x 2” FHMS
(1) 025069
Glide wrench
Evolution Desk 24”DEvolution Desk 24”D
(1) 057890
Chair rail bracket #2
(for 60”, and 72” desks only)
Figure 1
Flip-top
Chair rail bracket #2
Chair rail bracket #1
Worksurface
(4) 037779
5/16-18 x 1” Glide
(2) 052463
Unit-to-unit bracket
(2) Leg
(1) Worksurface (1) Chair rail
(1) Cord channel /
Modesty panel
38912ADJ - 36”W38912ADJ - 36”W
38915ADJ - 60”W38915ADJ - 60”W
38916ADJ - 72”W38916ADJ - 72”W
Attach chair rail bracket (60” & 72” desks only)
1. Place the worksurface face-down onto a non-abrasive surface.
2. Orient and attach the chair rail bracket to the center of the worksurface
as shown in Figure 1 with (2) 1/4-20 x 5/8” PHM screws.
1
Assembly tip: Do not tighten component
fasteners completely until all have been
installed. Keeping them loose will help with
alignment between parts during assembly.
X2
026064 (black)
1/4-20 x 5/8” PHMS
(10) 36”, (12) 60”, 72”
026011
1/4-20 x 2” FHMS
(2) 36”, (3) 60”, 72”
(2) 1/4-20 x 5/8” PHMS
(for threaded inserts)
or
(2) #14 x 7/8” PHSM
(for pilot holes)

057859R10 Page 2 of 5
Figure 2.1
The side of the leg
with the threaded
hole should be on
the ip-top side
Flip-top
Worksurface
1/4-20 x 5/8”
PHMS
(2 per leg)
Left leg
One-piece upper leg
Figure 2.2
Worksurface
#14 x 1-3/4”
PHMS
(2 per leg)
Welded tube upper leg
The side of the leg
with the threaded
hole should be on
the ip-top side
Left leg
1. Place the worksurface face-down onto a non-abrasive surface.
2. Align the legs with the mounting holes, and install (2) 1/4-20 x
5/8” PHM screws into each leg but do not tighten completely yet.
Figure 2.1.
1. Place the worksurface face-down onto a non-abrasive surface.
2. Align the legs with the mounting holes, and install (2) 1/4-20 x 1-3/4”
PHM screws into each leg but do not tighten completely yet.
Figure 2.2.
One-piece
upper legs
Welded tube
upper legs
NEW!
Note: There are two types of Evolution legs-the newer style one-piece upper leg, and the original welded tube upper leg.
Fasteners are provided for both types (included in leg box). Be sure to use the screws shown below with the corresponding leg.
‘U’ Channel Square
tube
Flip-top
Attach legs to worksurface
2
(4) 041289
1/4-20 x 1-3/4” PHMS
(4) 026064
1/4-20 x 5/8” PHMS

Lower section
Up to 8” of
adjustment
Up to 8” of
adjustment
Adjustment
screws
8”
24”
32”
Figure 3.3 Figure 3.4
Leg adjustment
The worksurface height can be adjusted from 24”H - 32”H in 1” increments.
Figure 3.3. Adjustment is easier when the desk is upside-down.
1. To adjust the legs, remove the (4) pre-installed adjustment screws.
(Fully-support the lower section of the leg while removing). Figure 3.4.
2. Choose a height and align the corresponding set of leg holes.
3. Install the (4) previously removed screws in the new holes and tighten securely.
4. Repeat this procedure on the second leg. Make sure to use the same set of
holes as used on the rst leg.
057859R10 Page 3 of 5
Figure 3.2 Figure 3.1
Modesty panel /
cord channel
1/4-20 x 5/8” PHMS
(4 required)
Glides
(4 required)
Chair rail bracket
Cord
channel
1. Orient the modesty panel/cord channel as shown and attach
to the legs with (4) 1/4-20 x 5/8” PHM screws. Figure 3.1.
2. Install the (4) glides to the bottom of the legs. The glides can
be adjusted later to keep the desk level on uneven surfaces.
3. Tighten ALL screws.
Note: If you are assembling a 60, or 72” desk, slide the
cord channel over the chair rail bracket. The bracket will
support the inside of the cord channel. Figure 3.2.
Install cord channel / modesty panel and glides
3

1. Carefully stand the desk upright-this will require at least two people.
2. Attach the chair rail with (2) 1/4-20 x 2” FHM screws as shown. Figure 4.1, 4.2.
The chair rail should extend above the worksurface, and the countersunk holes
should be on the outside.
3. For 60” & 72” desks only: Using the 3rd at head screw, attach the center of
the chair rail to the chair rail bracket. (The chair rail bracket may require slight
adjustment for proper alignment).
4. Tighten all screws securely.
Note: If you are assembling a 60 or 72” desk, attach the center of the
chair rail to the chair rail bracket using the 3rd at head screw.
(The chair rail bracket may require slight adjustment to align properly.)
Attach chair rail
4
057859R10 Page 4 of 5
1/4-20 x 2” FHMS
(2 required)
60”, and 72”
desks only
Chair rail
1/4-20 x 2”
FHMS
Chair rail
Extends above worksurface
Figure 4.2Figure 4.1

057859R10 Page 5 of 5
1500 RIVER STREET, PO BOX 400, CHIPPEWA FALLS, WI 54729 / 800-235-1262 / 715-723-6750 / WWW.SPECTRUMFURNITURE.COM
Warranty
1-800-235-1262
Toll-free HELPLINE
[email protected]
© 2021 Spectrum Industries Inc., All rights reserved.
We will make it right for you!
Thanks for choosing Spectrum! Spectrum is committed to provide complete customer satisfaction.
Each of our products is manufactured from the best materials available and each product is strin-
gently monitored throughout the production process through our P.A.C.E. program (Product Assur-
ance to meet Customer Expectations).
We expressly warrant that Spectrum products will be of good quality and workmanship and free from
defect for the period set out in the warranty from the date of delivery.
For a listing of all product specifi c warranty terms please visit our website at:
https://www.spectrumfurniture.com/en/resources/purchasing-terms-warranty