Release lever when desired position is reached. (B) BACK TILT ADJUSTMENT : Pull lever horizontally, Move backrest to tilt. To lock in upright position , push lever in. (C) TILT TENSION ADJUSTMENT KNOB : Rotate knob clockwise / counterclackwise to adjust tilt tension based on body weight. (D) Pull handle bar out, allows seat to slide forward and backward . Release handle bar to lock desired seat position. Alvin & Company, Inc. Bloomfield, Ct Grand Prairie, TX www.alvinco.com

CH728 PART LIST KEY QTY DESCRIPTION KEY QTY DESCRIPTION KEY QTY DESCRIPTION 1 5 Caster 6 1 Seat 10 1 M6 Size Allen Wrench 2 1 Base 7 1 Backrest 11 2 Backrest Screw 3 1 Seat Post 8 6 Mechanism Screw 12 1 Backrest Post 4 1 Seat Post Cover Q 1 Backrest Tight Screw 13 1 M5 Size Alien Wrench 5 1 Mechanism + Washers STEP 1. —: or o