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18.104.22.168 Jack-Side Pressure Measurement Means
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(a) A pressure gauge fitting shall be provided on the jack side of the check valve in or immediately adjacent to the hydraulic control valve.
(b) A pressure measurement means, accessible from outside the hoistway, only by elevator personnel (see Section 8.1), shall be provided by one of the following methods:
(1) a pressure gauge fitting, and where a permanent gauge is installed, a shutoff means shall be provided to protect the gauge
(2) a pressure-sensing means display, and the pressure gauge fitting shall be located either inside or outside the hoistway
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