Alvin Onyx ONXB-4 User manual

Figure 2
Onyx™Drafting Table Base
Tools required: Phillips screwdriver and awl or 1⁄16" drill (not included).
Assembly Instructions
Parts Included:
A 1 pc
B 2 pcs C 2 pcs E 4 pcs
To Assemble: Unpack and inspect contents to confirm you have all the parts listed above.
G 12 pcs
1
Base Frame
Rear Extension Tubes Height
Adjustment Collars
½" Phillip Screws
F 2pcs
Front Guide Tracks
Front Extension Tubes
Open base frame (A) in the upright position and place one height
adjustment collar (E) on top of each leg tube as shown in figure 1.
Position adjustment knobs facing out and lightly tighten lower
Allen bolts using Allen wrench (K).
Figure 1 2Insert front (C) and rear (B)
extension tubes into base frame
as shown in figure 1. For the time
being, set each tube at a height of
approximately 4" and lock into place
by tightening adjustment knob.
(see figure 2).
Lower Allen bolt
Adjustment knob
H 1 pc
Pencil Ledge Pencil Ledge Screws
J 2 pcs
Figure 3
3Place your drawing board/tabletop (purchased separately) on a soft pad or
carpet to avoid scratches with the best side facing down. Turn the assembled
base frame upside down and place on tabletop as shown in figure 3. Position
the frame according to the dimensions in figure 4, on page 2,
depending on the size or your tabletop. Center from left to right.
Place front guide tracks (F) under front leg extensions as shown.
4Use an awl or a 1⁄16" drill to start screw holes.
Be careful not to drill all the way through tabletop.
5Attach rear extension brackets and front guide
tracks to tabletop using ½" Phillips screws (G).
6Once all screws are secure, return table to its upright
position and adjust tube extensions until tabletop is at
desired height and angle.
Since some screws are hard to reach, try spinning
adjustment collar so that adjustment knob is out of your way.
Retighten all collar Allen bolts when finished.
Hint
Rear extension brackets
Front guide tracks
K 1 pc
Allen Wrench
Best side facing down
For models
ONXB-3 and ONXB-4
Bx2
Cx2
A
Ex4
A
Bx2
G
x8
Cx2
G
x4
Fx2

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LIT-A13024-1 1/13
Figure 4
To Attach Pencil Ledge
The pencil ledge (H) prevents
materials from sliding off a tilted
surface. Slotted connection
allows for easy adjustment from
flush to elevated position. Use an
awl or a 1⁄16" drill to start holes and
attach using two screws (J) into
front edge of tabletop.
21
7
⁄
8
"
Flush Position
Elevated Position
1"1"
1" 1"
3½" 3½"
Tighten the upper and lower
hinge bolts that connect the
front legs to the back of the
base frame to maximize the
strength and stability
of the table.
2"
Approx. 6" Approx. 6"
2"
6½"6½"
1" 1"
Loosen lower bolts in
front height adjustment
collars (E) and spin
collars until adjustment
knobs face inward.
1
Lift front edge of tabletop
slightly to remove front
extension tubes from
front guide tracks and
swing legs inward. Left
leg should be folded first.
2
When both front legs
are folded into position,
slowly allow tabletop to
drop downward.
3
To Fold Table Flat Hint
For 30" x 42" Tabletop
For 24" x 36" Tabletop
Approx.
3"
Approx.
3"
Center base frame until A
dimensions are equal
AA
A
A
Center base frame until A
dimensions are equal
Jx2
H
E