(a) The chest of all mountings, subject to the water pressure, shall be in place and shut tight or blank flanged. The relief value shall either be secured or removed and the chest opening blank flanged. The attachment for the Dy. Director’s pressure gauge and the nipple for connecting the Dy. Directors’ test pump hose shall be in order. All caps shall be properly fitted and tightened up. The economiser shall be completely filled with water, care being taken to allow all air to escape, and if possible, a preliminary test not exceeding the working pressure of the economiser, shall be taken before the Dy.
Director visits to test the tightness of the joint. When an economiser is hydraulically tested it shall be offered entirely bare.
THE MAHARASHTRA ECONOMISER RULES, 1965 6
(b) Hydraulic tests of economiser shall be made after the inspection. The test pressure to be applied to economisers at such subsequent examinations shall be from one and a quarter to one and a half times the working pressure of the economiser :
Provided that the Director may, at his discretion, waive the requirement of hydraulic test of an economiser, if he deems fit.