Step 4. Operational Test - Lycoming TEO-540-A1A Installation And Operation Manual

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TEO-540-A1A Engine Installation and Operation Manual
10. Wait until the NTO PRI and NTO SEC annunciators go out.
CAUTION
11. Energize the starter (not to exceed 10 seconds) until the engine starts.
12. If an electronic governor is installed, increase rpm to 1800. Do not exceed oil pressure of 115
psi (793 kPa).
CAUTION
13. Monitor engine instrumentation for indicated oil pressure. If there is no oil pressure
indication within 10 seconds, stop the engine. Contact Lycoming Engines.
NOTICE: Unstable oil pressure or oil pressure less than 25 psi (172 kPa) could be an
indication of obstructed or interrupted oil flow or air in the oil hose. In this case,
stop, and have a technician look at the oil hoses.
Upon engine start, if smoke comes from a newly installed engine, after the first start,
there could have been some preservative oil in the cylinders, induction system,
and/or fuel nozzles/lines. If oil pressure is normal and the engine operates smoothly,
continue to operate the engine until the smoke clears. Otherwise stop the engine,
contact Lycoming Engines.
14. After any of the following, complete the operational test (as per "Step 4. Complete the
Operational Test" in this chapter.):
• Engine installation
• Engine put back into service after storage, maintenance, repair, fault isolation, overhaul or
rebuild

Step 4. Operational Test

Complete this test while the engine is operating.
WARNING IF THE ENGINE IS OPERATED AT LOW OR NO OIL PRESSURE, THE
© 2018 Avco Corporation. All Rights Reserved
October 2018
DO NOT ENERGIZE THE STARTER FOR PERIODS OVER 10
SECONDS. LET THE STARTER COOL AFTER EACH ENERGIZATION.
DO NOT TRY MORE THAN FIVE ENGINE STARTS WITHIN A 2-
MINUTE PERIOD.
IF THE STARTER FAILS TO ENERGIZE AFTER TWO ATTEMPTS,
IDENTIFY AND CORRECT THE CAUSE.
DO NOT EXCEED THE IDLE RPM (SET BY THE AIRFRAME
MANUFACTURER) UNTIL THE OIL PRESSURE IS STABLE ABOVE
THE MINIMUM IDLING RANGE. IF THE OIL PRESSURE DOES NOT
INCREASE TO THE MINIMUM PRESSURE WITHIN 10 SECONDS,
TURN OFF THE ENGINE. CONTACT LYCOMING ENGINES.
DO NOT OPERATE THE ENGINE AT SPEEDS ABOVE 2500 RPM
UNLESS THE OIL TEMPERATURE IS AT A MINIMUM OF 140°F (60°C)
AND THE OIL PRESSURE IS AT 115 PSI (793 KPA) FOR INITIAL
START AND WARM-UP. ENGINE DAMAGE CAN OCCUR IF THE OIL
TEMPERATURE OR OIL PRESSURE IS NOT AT THE SPECIFIED
MINIMUM LEVELS.
ENGINE CAN MALFUNCTION OR STOP.
Engine Initiation
Page 51

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