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 TM 55-1905-220-14-2
2-30. PROPULSION ENGINE - WARM WEATHER - LOCAL STARTING (Cont).
o. Observe drive oil pressure gage (19) on instrument panel (16). Oil pressure is 40-42 psi (2812.2 to 2952.9 gm sq
cm) at 1200 RPM.
p. Warm up at part throttle, no-load for about 5 minutes, before loading engine. Normal coolant temperature on
temperature gage (20) is 160F to 185F, (71. 1C to 85. 0C).
q. Engage clutch (14) at less than 850 RPM.
r.
When prolonged idling is needed, maintain at least 800 RPM minimum.
s.
To transfer control to the pilothouse, push in knob (11) on the
2-360
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