Lycoming SI 1546

Lycoming issued Service Instruction No. 1546 DATE: October 4, 2012 on Starter

SUBJECT: Specific Requirements for Installation and Removal of Electrical Lead on Hartzell
                     Engine Technologies, LLC (Previously Kelly Aerospace) Starters
TIME OF COMPLIANCE: At each removal and installation of the starter electrical lead
MODELS AFFECTED: All Lycoming direct drive engines.
                     This Service Instruction includes specific installation and removal requirements of the electrical leads for Hartzell Engine Technologies (HET), LLC starters.
Until further notice of a starter design change, during installation or removal of any Hartzell Engine Technologies, LLC starter or the removal of the starter electrical lead for other maintenance purposes, it is critical to hold the bottom nut on the starter stud with a wrench to prevent this stud from rotating when torquing or removing the nut (on top of the stud) that attaches the power cable to the starter. 
                        Rotation of the starter stud identified will cause internal damage to the starter. Torque the nuts to 40 in.lb (4.624 Nm).