IO-390-D Series Engine Maintenance Manual
72-70
© 2020 Avco Corporation. All Rights Reserved
Page 248
March 2020
IO-390-D Series Engine Maintenance Manual
B.
Starter Installation
NOTICE:
Refer to the latest revision of Service Instruction No. SI-1154 to ensure the correct
approved starter for your engine is to be installed.
(1)
Install the starter onto studs and seat on mounting face of the engine (Figure 7).
(2)
Install the starter with a new lock washer and a nut on each of the four studs.
(3)
Tighten and torque the nuts per the Standard Torque Tables in the latest revision of the
Service Table of Limits - SSP-1776
.
(4)
Install electrical leads to the starter as per the airframe manufacturer's manual.
(5)
Restore power to the engine.
(6)
Complete the operational test in Chapter 72-00, to make sure the starter operates
correctly.
8.
Starter Ring Gear Support Replacement
A.
Starter Ring Gear Support Removal
(1)
If not already done, release the tension on the alternator belt(s).
Figure 8
Starter Ring Gear Support
(2)
Remove the alternator belts from the starter ring gear support (Figure 8).
(3)
Remove the starter ring gear support from the crankshaft propeller flange.
B.
Starter Ring Gear Support Installation
(1)
Install the alternator belts in the pulley of the starter ring gear support.
(2)
Assemble the ring gear support over the propeller flange bushings.
(3)
Locate the starter ring gear so that the "0" on the ring gear support aligns with the "0" on
the crankshaft flange.
