Brewer DynaCore9400 - Manual (Page 5)

Document #101165 RevB © September 2009 5
Seat Height Adjustment
Your feet should be comfortably flat on the floor with the inside angle
of the knee joint between 90° and 110°. You should feel no pres-
sure underneath your thighs.
• To adjust the seat, sit on the chair and lift the height adjustment
lever. The seat will drop to the lowest position.
• To raise the seat, remove your weight from the seat while lifting
the height adjustment lever. Release the lever at the desired
height.
STOOL ADJUSTMENTS
seat height adjustment lever
Backrest release lever
ASSEMBLY INSTRUCTIONS cont.
Optional Armrest assembly:
1. Remove (2) Handknobs with washers from under the seat. Be
sure to keep the lockwasher closest to the Handknob with the flat
washer on top.
2. Place the Armrests into the armrest channel under the seat.
3. Install Handknob assemblies through slotted hole in Armrest
brackets and into the threaded hole in the armrest channel. Set
Armrests to desired width and tighten Handknob.
Backrest Forward Adjustment
• Release the backrest lock by pushing the backrest release lever
forward until it touches the seat shroud.
• Slide the backrest to the desired position and release the lever.
Backrest lever should snap into the engaged position to fully
lock the backrest into position.
Handknob
Lockwasher
Washer
Be sure backrest release lever is engaged before sitting on the
stool.
CAUTION