Leggero TRAK User Manual - page 19

TRAK

User Manual

Page 19

4.14 Seat Extension Installation

If your Trak chair was originally configured with 

a seat depth of 8 inches or less, you will need to 

install the seat depth extension and longer seat 

tubes supplied with the chair to increase the seat 

depth beyond 9 inches. 

1.  Remove seat cushion.

2.  Remove seat depth adjustment knob and 

carriage bolt.

3.  Remove front seat plate assembly.

4.  Install seat extension  1  using 4 socket 

head bolts  2  .  5mm hex wrench required. 

Reference Figure 24.

5.  Remove short seat tubes  3  from front seat 

assembly.  4mm hex wrench and 10mm 

wrench required.  Reference Figure 25.

6.  Install long seat tubes  4  with same hardware.  

Reference Figure 26.

7.  Install front seat plate assembly and adjust to 

desired seat depth.

8.  Install carriage bolt and tighten knob.

9.  Install seat cushion and tighten straps.  

1

2

Figure 24

Figure 26

Figure 25

3

4