1, Rule 201.4f).

b. Plunger Return Tests: Car and Counterweight buffers, when filled with oil, shall be tested for conformity with the plunger return requirements of Part II, Section 201, Rule 201.4e, as follow: 1. The plunger shall be fully compressed and when released, shall return to the fully extended position within ninety (90) seconds. 2. A weight of fifty (50) pounds shall be placed on the plunger of springreturn type buffers. The plunger with this weight resting on it shall be depressed two (2) inches and then released. When released, the plunger with the weight resting on it shall return to its fully extended position within thirty (30) seconds. (See Part II, Section 201, Rule 201.4g-2). Exception: Existing buffers, where retained, are not required to conform. C. Load and Speed Tests. Prior to making this test, load range and maximum speed given on the buffer marking plate (See Part II, Section 201, Rule 201. 4k) shall be checked to make sure that the correct buffer has been used. The car oil buffer shall be tested by running the car with its rated load onto the buffer at rated speed. The counterweight oil buffer shall be tested by running the counterweight onto its buffer at rated speed with no load in the car. Exception: For reduced-stroke buffers, conforming to the requirements of Part II, Section 201, Rule 201. (2), this test shall be made at the reduced striking speed permitted therein. - 158 - TEXTO EN ESPAÑOL USAS, A17.1 (a) Pruebas del Nivel de Aceite. Se probará el nivel