62. Preparation for useThe preparation for use of these devices must be performed byqualified personnel both for evaluate the suitability of the product andto provide the correct instructions to the user.2.1 Handbike preparationThe handbike is shipped with the rear wheels notassembled.Mount the rear wheels, screwing and fixing properly thewheel axle.2.2 Pneumatic pressure checkA periodical check of the pneumatic pressure may helps to keep the handbikeefficient and more comfortable.Verify the tire pressure value according to the value marked on the tyre.Normally 7.5 BAR is the right value for high pressure tyres.The above value is indicative as the specific value is always available on everytyre.2.3 Checking the brakesTo check the functioning and the efficiency of the parking brakes act as following:Activate the brakeCheck if the wheels are blocked.If necessary you can act on the wireadjustment device to set-up the properbrake power.2.4 Checking the accessoriesAny accessory required at the time of the configuration of the handbike may be