Step 2. Engine Start - Lycoming IO-390-D Series Installation And Operation Manual

IO-390-D Series Engine Installation and Operation Manual
Pre-Flight Inspection Checklist for Engine Initiation (Cont.)
WARNING
DO NOT ROUTE FUEL OR OIL LINES CLOSE TO HEAT SOURCES. HEAT
CAN DAMAGE THE FUEL AND OIL LINES AND CAUSE A LEAK WHICH
COULD LEAD TO CATASTROPHIC ENGINE FAILURE.
Examine fuel lines:
Make sure that each fuel and oil line is intact, not
A.
bent or damaged, and does not have any kinks or
dents.
Make sure that the fuel and oil lines are securely
B.
connected.
Make sure the clamps are tightly attached to
C.
support the fuel and oil line and to prevent
movement from vibration or motion frequencies.
Do NOT use plastic tie straps in place of
cushioned clamps.
Do not let fuel or oil lines touch the engine or
D.
aircraft baffle hardware. There must be a minimum
clearance of 3/16 in. (4.76 mm) between a fuel and
oil line and any engine or aircraft surface.
NOTICE: Record any problems found and corrective action taken in the engine logbook. Record
the magnitude and duration of a problem and any out-of-tolerance values.
Correct all problems before engine start. Refer to the
"Engine Conditions" chapter in this manual.

Step 2. Engine Start

WARNING
MAKE SURE THAT THE AREA AROUND THE PROPELLER IS CLEAR OF
PERSONNEL OR ANY OBSTRUCTION BEFORE STARTING THE
ENGINE. IF THE PROPELLER HITS AN OBJECT, DO NOT PROCEED
WITH FLIGHT. REFER TO THE LATEST REVISION OF SERVICE
BULLETIN NO. SB-533.
NOTICE: If the engine is to be started in an environment at temperatures less than +10°F (-12°C),
refer to the section "Apply Heat to a Cold Engine" in the "Engine Conditions" chapter
in this manual. If the engine is to be operated at temperatures over 90°F (32°C), refer to
the section "Engine Operation in Hot Weather" in the "Engine Conditions" chapter in
this manual.
The following is Lycoming Engine's recommended start procedure. If there is any
variation between the start procedure in the aircraft manufacturer's (Pilot's Operating
Handbook (POH) and Lycoming Engine's recommended start procedure, follow the
aircraft manufacturer's procedure.
1. If the engine is newly installed or is to be put back into service after long-term storage, make
sure the pre-oil procedure was done. Refer to the section "Step 12. Complete the Engine Pre-
Oil Procedure" in the "Engine Installation" chapter in this manual.
© 2020 Avco Corporation. All Rights Reserved
March 2020
Requirement Comments
Refer to Chapters 72-50 and 73-
10 in the IO-390-D Series
Engine Maintenance Manual.
Done
Engine Initiation
Page 29