chicago Operating instructions
English ❿ Use the entire seating surface The entire surface of the anatomically shaped seat should be taken up. Only this ensures contact with the supporting back-rest. The seat on standard chicago models tilts forwards at a 2 angle. This ensures that even with bigger work surfaces, a healthy posture for working is maintained. ❿ Adjust seat height correctly The right seat height means that your elbows should be bent at a 90 angle when your forearms are lying horizontally on the work surface; knees should also be bent at a 90 angle when your foot is placed flat on the floor. If your work surface is too high and the height cannot be adjusted, a footrest with adjustable height and angle is required. ❿ Adjust back-rest Adjust the height of the optional lordosis support so that the curve of the back-rest supports your spinal column at the 3 rd and 4 th lumbar vertebrae (area of the largest outward curve). As a result, the natural S-shape of the spinal column is stabilised in any seating position. ❿ Dynamic sitting Sitting dynamically means altering your sitting posture frequently, that is, varying between sitting forwards and backwards as frequently as possible. Therefore, it is important to put the back-rest in a dynamic position. Chicago is fitted with a Similar mechanism and the support pressure of the back-rest can be adjusted to suit individual requirements. As a result the back-rest and seat automatically offer support whatever the sitting position. Sitting healthily is a matter of adjustment
A Seat height ❿ How to lower seat height: 1. Put weight on seat 2. Pull lever upward (seat is lowered slowly) 3. Release lever when required seat height is reached the seat is locked at this height ❿ How to increase seat height: 1. Remove weight from seat 2. Pull lever upward (seat height is increased slowly) 3. Release lever when required seat height is reached the seat is locked at this height C Tilt of back-rest ❿ How to adjust back-rest to a dynamic position: 1. Pull lever upward and then release 2. Put pressure on back-rest 3. The lock is released automatically ❿ How to lock back-rest position: 1. Lean against the back-rest until required tilt is reached 2. Press lever downward and then release the back-rest is locked in the next available position D Strength of support pressure ❿ How to increase support pressure: 1. The tension control can be pulled out to make adjusting easier 2. Turn knob clockwise ❿ How to reduce support pressure: 1. The tension control can be pulled out to make adjusting easier 2. Turn knob anti-clockwise B Height of lordosis support (optional) ❿ How to adjust height: 1. Remove pressure from back-rest 2. Move levers on both sides to required height F B C How to operate the swivel chair
E Depth of seat (optional) ❿ How to adjust depth of seat: 1. Pull out knob to release 2. Slide seat cushion into required position 3. Release knob seat is locked in this position F Adjusting flexible arm-rests (optional) ❿ How to adjust the height: 1. Press button at front, lift or lower arm-rest to required height 2. Release button. The arm-rest is locked in this position ❿ How to flex the arm-rest: Flex the arm-rest to the left or right: locks into position automatically. G Adjusting the 3-D-arm-rest (optional) ❿ How to adjust height of arm-rest: 1. Press button upward inside the arm-rests 2. Lift/lower arm-rest to required height (numbers on the side run from 1 10) 3. Release button the arm-rest is locked in this position ❿ How to alter width and depth of arm-rests: 1. Loosen wing nut underneath arm-rest slightly 2. Slide arm-rest into required position 3. Tighten wing nut again G B E A D
Using the chair This office swivel chair must only be used appropriately and with general care and attention. Using this chair for other purposes (such as standing on it to reach for something or sitting on the armrests) is dangerous and may cause accidents. Castors In the interest of your own safety, and in order to allow for different types of floor, there is a choice of castors which conform to safety regulations: - Castors with a hard surface for use on soft floors - Castors with a soft surface for use on hard floors When changing castors, for example when moving or after a new floor is being fitted, simply pull out or push in castors after lightly oiling them. Arm-rests Arm-rests on some models can be fitted or replaced at a later date if required. Plastic components A soapy solution is most suitable. Please do not use aggressive detergents. Upholstery Upholstered components must only be replaced by experts. Use a gentle washing liquid for sensitive fabrics to remove minor dirt from the upholstery - do not use chemical detergents. Leather Leather is a natural fibre. Slight scarring gives leather its unmistakable quality. Clean away slight dirt with a soft wool cloth. When removing heavier dirt, only use products specifically intended for aniline-dyed leather. - Semi-aniline leather must be kept out of direct sunlight. Service Jobs such as replacing or working on the gas spring must only be done by experts. Tips for users
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