STARTING MAIN ENGINE (continued)
If you notice a shrill whine (above normal turbine whine), rubbing, unusual
vibrations, and/or sudden increase in exhaust smoke, shut off engine and
notify Unit maintenance.
14. Set throttle control lever (20) so that tachometer (24) reads 550 to 600 rpm. While engine is idling at this speed,
watch ENGINE OIL PRESSURE gage (23). If engine oil pressure does not register 5 to 30 psi within 15 seconds of start,
immediately pull FUEL SHUT OFF handle (19) to stop engine and notify Unit maintenance.
15. Idle engine for about two minutes; then move throttle control lever (20) to set engine speed at 1000 rpm (fast idle) on
tachometer(24). Continue to warm engine until ENGINE WATER TEMPerature gage (25) registers at least 170°F.
16. Perform portable instrument panel checkout procedure (p. 2-88) during engine warmup.