Spectrum Industries Evolution 38901ADJ User manual

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052519R8 Page 1 of 5
Assembly InstructionsAssembly Instructions
026064 (black)
1/4-20 x 5/8” PHMS
(10) 36”, (12) 60”, 72”
Attach chair rail bracket (60” & 72” desks only)
(1) 051024
Chair rail bracket
(1) 025069
Glide wrench
Evolution Desk 30”DEvolution Desk 30”D
(1) 036281
Dual unit-to-unit
bracket
(for 60”, and 72” desks only)
Figure 1
Flip-top
Chair rail bracket
(2) 1/4-20 x 5/8” PHMS
(for threaded inserts)
or
(2) #14 x 7/8” PHSM
(for pilot holes)
Worksurface
(1) 0167153
Unit-to-unit bracket
026011
1/4-20 x 2” FHMS
(2) 36”, (3) 60”, 72”
(2) Leg
(1) Worksurface (1) Chair rail
(1) Cord channel /
Modesty panel
38901ADJ - 36”W38901ADJ - 36”W
38904ADJ - 60”W38904ADJ - 60”W
38905ADJ - 72”W38905ADJ - 72”W
38930 - 36”W Stand-up38930 - 36”W Stand-up
(non ADJ legs)(non ADJ legs)
(4) 037779
5/16-18 x 1” Glide
Assembly tip: Do not tighten component
fasteners completely until all have been
installed. Keeping them loose will help with
alignment between parts during assembly.
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
X2

052519R8 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

Modesty panel /
cord channel
1/4-20 x 5/8” PHMS
(4 required)
Glides
(4 required)
Lower section
Up to 8” of
adjustment
Up to 8” of
adjustment
Adjustment
screws
8”
24”
32”
Leg adjustment
052519R8 Page 3 of 5
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.
Figure 3.2 Figure 3.1
Chair rail bracket
Cord
channel
Install cord channel / modesty panel and glides
3
Figure 3.3 Figure 3.4
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.

052519R8 Page 4 of 5
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.)
Figure 4.2
Two desks can be attached together with the included unit-to-unit bracket.
1. Locate the desks next to each other in their nal position.
2. Attach the unit-to-unit bracket to the rear of the legs (behind cord channel)
using the existing cord channel screws. (Loosen screws to install, then
re-tighten).
1/4-20 x 2” FHMS
(2 required)
60” and 72”
desks only
Chair rail
Figure 4.1
1/4-20 x 2”
FHMS
Chair rail
Extends above worksurface
Attach chair rail
4
Attaching desks together (optional)
5
Figure 5
Unit-to-unit
bracket
(2) 1/4-20 x 5/8”
PHMS
Desk #1 Desk #2

052519R8 Page 5 of 5
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