U-Line H-3746 Assembly Instructions Download Page 1

PAGE 1 OF 3 

0721 IH-3746

H-3746

ALUMINUM

BACKLESS BENCH

1-800-295-5510

uline.com

TOOLS NEEDED

Socket Wrench

Power Drill

Rubber Mallet

PARTS

ASSEMBLY INSTRUCTIONS

1.  Lay the seat plank upside down on 

a flat surface. Slide the end caps 
onto each end of the plank. The 

pre-drilled holes of the end cap 
should be facing up. Use power 

drill and two self-tapping screws to 
secure each end cap onto each 
end of the plank. (See Figure 1)

2.  Place one leg frame at a time 6" 

from the end of the seat plank.  

(See Figure 2)

3.  Loosely attach using four hold down 

clips, four 5/16" flange nuts and four 
5/16" carriage bolts per leg frame.  

4.  Push the two plastic round caps into 

each leg frame using a rubber mallet. 

5.  Flip the bench right side up. Make sure 

legs are evenly aligned to the edges 

and the bench is level. Tighten the bolts 
using a socket wrench. (See Figure 3)

NOTE: H-3748 mounting hardware sold 
separately.

NOTE: If the material is to be stored in a 
location where moisture is a possibility, the 
planks should be unbundled and stacked so 
that surfaces are not touching. This will prevent 
galvanic reaction from occurring or stains 
from paper or cardboard packaging should 
the planks get wet. Once the bench has been 
assembled, the problem no longer exists. 

Aluminum Seat Plank x 1 

End Cap for Plank x 2

Hold Down Clip x 8

5/16" x 1½"  

Carriage Bolt x 8

3/16" Self-Tapping Screw x 4 

5/16" Flange Nut x 8

Galvanized Leg Frame x 2

Figure 3

Plastic  

Round Cap x 4

Para Español, vea página 2.

Pour le français, consulter la page 3.

Figure 1

Figure 2

Two Person Assembly 
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