TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
Page 297 of 1563
TM 9-2815-220-24 ENGINE RUN-IN 0044 00 WP 0044 00-11 RUN-IN (Continued) TEST SCHEDULE (Continued) Run Number Time (Minutes) Speed (rpm) Net Observed Torque foot-pound N•m 11 2600-2660 Governor high idle check at no load and dynamometer water off conditions. Adjust as necessary. If adjustment is necessary, re-check engine power (torque) as in run number 8. 12 2DR Engine Only 1775-1825 Check and adjust as necessary auxiliary drive governor speed at no load and dynamometer water off conditions. 13 5 2400 *FR-FL *FR-FL 14 5 2200 *FR-FL *FR-FL 15 5 2000 *FR-FL *FR-FL 16 5 1800 *FR-FL *FR-FL * Full Rack-Full Load 13. Acceleration check. a. Accelerate to full throttle, no load (2600-2660 rpm), with a moderate steady throttle movement. b. Return to low idle (675-725 rpm) with the same type throttle movement. NOTE It is permissible for engine rpm to go below 675 rpm briefly at return to idle providing the governor responds and returns the engine rpm to the low idle setting. 14. Check flame heater system for operation. a. Activate while idling and feel for warm intake elbow. b. Visually look for fuel leaks. 15. Check smoke generating system operation. a. Run engine at 2000 rpm. b. Activate smoke generating system. c. Verify that engine produces white smoke.