Fine adjustment of the backrest angle: | Hand wheel | ||
By turning the hand wheel, the backrest angle can be finely adjusted. |
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• | Turn the hand wheel to the right | = increase the angle |
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• | Turn the hand wheel to the left | = decrease the angle |
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9.3.3.3 Adjusting the inflatable cushions | Position of the rubber |
| hand pumps |
•Inflate the inflatable cushions to the required size using the rubber hand pumps.
Right and left rubber hand pumps = lateral inflatable cushions
Middle rubber hand pump | = lumbar cushion. |
Letting air out
•Let air out of the lateral cushions using the release valves (1).
• Let air out of the lumbar cushion by using the release valve screw (2).
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