Lumex 7921RA Instrucciones De Montaje Y Operación página 2

5. Install curved washer on screw knob. Fasten legs to seat by inserting screw knob through cen-
ter leg holes into seat and turning screw knob clockwise. Ensure screw knob is tight without
overtightening.
WARNING: Ensure legs are securely installed and all hardware is tight before pro-
ceeding.
Info: If you are assembling 7921RA (with backrest), proceed to step 6.
If you are assembling 7931RA (without backrest), proceed to step 8b.
fig. 5 (7921RA)
6. Locate backrest tubes, backrest, four screw knobs, and four curved washers (see figures 5 and 7).
7. See figure 6. Install curved washers on screw knobs. Install backrest tubes on backrest. Attach
backrest tubes to backrest by inserting screw knobs through backrest holes into backrest and
turning the screw knobs clockwise. Ensure screw knobs are tight without overtightening.
8. Locate the four remaining screw knobs and curved washers.
a. 7921RA (with backrest): The screw knobs will at-
tach the backrest and outer legs to the seat. Install
curved washers on screw knobs. Lay seat upside
down on flat surface as shown in figure 8. Lay back-
rest tubes on leg assembly, aligning holes. Insert
screw knobs through backrest tube holes, through
leg assembly holes, and into seat bottom. Secure by
turning screw knobs clockwise; ensure screw knobs
are tight without overtightening.
b. 7931RA (without backrest): The screw knobs will
attach the outer legs to the outer seat. Install curved
washers on screw knobs. Lay seat upside down on
flat surface as shown in figure 9. Insert screw knobs
through leg assembly holes and into seat bottom.
Secure by turning screw knobs clockwise; ensure
screw knobs are tight without overtightening.
7921RA-INS-LAB-RevA10
fig. 6 (7921RA) fig. 7 (7921RA)
fig. 8 (7921RA)
fig. 9 (7931RA)
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