Text in force at CAR3R-8: from CAR3R-0, effective 15 May 1956. OCR text
Hydraulic systems and elements shall be so designed as to withstand, without exceeding the yield point, any structural loads which might be posed in addition to the hydraulic loads. 33.727 Tests. Hydraulic systems Shall be substantiated by proof pressure tests. When proof tested, no part of the hydraulic system shall fail, malfunction, or experience a permanent set. The proot load of any system shall be 1.5 times the maximum operating pressure of that system.