1. Unfasten leg strap. (Figure 2)
2. Unlock 2 leg safety clamps. (Figure 3)
3. Lift legs and put horizontal leg tube into the safety
clamp nest. (Figure 4) Note that the height is adjustable
depending on nest chosen. Feet should easily touch the
ground and thighs at 90º or sloping slightly downward.
Choose the middle height for the average. (Figure 5)
4. Securely lock both safety clamps making sure lock is fully
seated. (Figure 6) CAUTION: Leg safety clamps must
always be locked when in use.
5. Turn chair over and stand it on the floor. (Figure 7)
6. Raise backrest into position and adjust backrest height
using knob on the rear of the backrest. Note: there is a
handle for moving the chair around the room. (Figure 8)
7. The optional pad can be installed on the rear of the backrest
by placing the pad pocket over the backrest. (Figure 9)
1. Remove the optional pad from the box (if ordered).
2. Remove the carry strap from the box.
3. Remove the chair from the box & place it on a protected
floor or table with the legs up. (Figure 1)
UNPACKING
page 1
OPERATION INSTRUCTIONS
Mattes Chair
by
OAKWORKS
®
CAUTION
MAXIMUM WORKING LOAD RATING
300 LBS. (136 KG)
Figure 1
CHAIR SET UP
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 9
Figure 8