CH555 PARTS LIST | KEY QTV DESCRIPTION 1 5 CASTER 2 1 BASE 3 1 SEAT POST 4 1 TELESCOPIC COVER 5 MECHANISM SCREW 6 1 SEAT 7 1 MECHANISM 8 1 UP & DOWN KNOB 9 BACKREST POST + COVER 10 1 BACKREST 11 1 PLASTIC STOPPER 12 1 MECHANISM PLASTIC BELLOW ©- j Î STEP 1. ■ Insert (1) casters into (2) base. Insert (3) seat post into (2) base. Slide (4) plastic bellow over (3) seat post. PART N0.12 IS TORNED ON THE SIDE IN ORDER TO BE INSERTED ONTO REAR OF (7) MECHANISM. STEP 2. ■ Attach

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

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