ISO 7176-8-2014 pdf free.Wheelchairs – Part 8: Requirements and test methods for static, impact and fatigue strengths. When tested in accordance with Clauses 8. 2., and 1, a single wheelchair shall meet all the following requirements at the conclusion of the tests. a) No component shall show evidence of visible cracks, be fractured, or have become detached, with the following exceptions. 1) Readjustment of postural supports Is allowed after each of the tests in Clauses 8 and 9. 2) Re-tightening, readjusting, or refitting of components that are identified in the operator’s manual as operator-adjustable components is allowed at 25 % intervals during each of the multi drum, drop, and manual brake fatigue testing procedures (Clause 10). Operator adjustable components, as identified in the operator’s manual, may not be adjusted using tools unless the tools are supplied with the wheelchair. If there are operator adjustable components, fatigue test equipment may be stopped at 25 % plus or minus S % intervals, to determine if re-tightening, readjusting, or refitting of operator-adjustable components is required. Re- tightening, readjusting, or refitting shall then be performed, following the procedures outlined in the operator’s manual. Restart the test equipment after re-tightening, readjusting, or refitting has been…