4. Check Time on following: (a) Time to close aux. Exhaust valve, (b) To open Exhaust valve to stack (ce) To close electric Exh. valve (d) Elapsed time of operation of engine 5, Check following (Misc. ) (a) Gallons per hour of water thru silencer (b) Engine RPM (c) Cverspeed Trip (Should operate at 792 RPM) (d) Vibration of engine-amplitude and frequency (e) Quantity of fuel ofl used - 4 hr. run EQUIPMENT REQUIRED TO RUN TEST 1. 2. 3. 4. 5. 6. 5-324 Manometers Revolution Counter Stop watch Potentiometer Barometer Vibraneter