Frequency1 The testing frequency and operational duration of fire engine pumps.(Diesel Engine) NFPA 20 Standard for the Installation of Stationary Pumps for Fire Protection(2019) 11.6* Diesel Engine Driver System Operation. 11.6.1 Weekly Run. 11.6.1.1 Engines shall be designed and installed so that they can be started no less than once a week and run for no less than 30 minutes to attain normal running temperature. 11.6.1.2 Engines shall run smoothly at rated speed, except for engines add.. 2024. 3. 10. 이전 1 다음 반응형