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Engine Assembly Checklist for IO-390-D Series Engines (Cont.)
Complete the "Crankshaft Installation" procedure in
Chapter 72-20.
Measure the thrust face clearances between the
crankshaft and crankcase per the "Crankshaft
Installation" procedure in Chapter 72-20.
Measure the slinger clearance per the "Crankshaft
Installation" procedure in Chapter 72-20.
Measure the crankshaft end play per the
"Crankshaft Installation" procedure in Chapter 72-
20.
* Measurements must be within tolerances specified in the latest revision of the Service Table of
Limits - SSP-1776.
Assemble the crankcase halves per the "Crankcase
Assembly" procedure and follow the torque
sequence in Chapter 72-20.
Complete the "Crankshaft Oil Seal Installation"
procedure in Chapter 72-20.
Complete the "Crankshaft Idler Gear Installation"
procedure in Chapter 72-20.
Complete the "Crankshaft Endplay Clearance
Check" in Chapter 72-20 (after the crankcase is
assembled).
Complete the "Fuel Pump Plunger Inspection" in
Chapter 72-25.
Complete the "Fuel Pump Plunger Installation"
procedure in Chapter 72-25.
Complete the "Oil Pump Installation" procedure in
Chapter 72-25.
Complete the "Accessory Housing Installation"
procedure in Chapter 72-25.
Complete either the "Oil Pressure Screen Housing
Installation" procedure or the "Oil Filter Base
Installation" procedure in Chapter 72-50.
Complete the "Oil Cooler Bypass Valve
Installation" procedure in Chapter 72-50.
Complete the "Fuel Pump Installation" procedure in
Chapter 73-10.
Install the propeller governor per the airframe
manufacturer's instructions
72-10
Page 124
Item
IO-390-D Series Engine Maintenance Manual
IO-390-D Series Engine Maintenance Manual
Comments
*Measurement:
*Measurement:
*Measurement:
© 2020 Avco Corporation. All Rights Reserved
Done
March 2020
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