CHAPTER 1 - INTRODUCTION
1.1 General Information
WARNING:
IMPROPER OR UNAUTHORIZED APPLICATIONS OF THE INFORMATION
CONTAINED IN THE MANUAL MAY RENDER THE AIRCRAFT OR THE
COMPONENT UNAIRWORTHY AND RESULT IN LOSSES, DAMAGES,
OR INJURY TO THE USER.
DO NOT USE OBSOLETE OR OUTDATED INFORMATION. PERFORM
ALL INSPECTIONS OR WORK IN ACCORDANCE WITH THE MOST
RECENT REVISION OF THE APPLICABLE AIRCRAFT/ENGINE SERVICE
OR MAINTENANCE MANUAL. INFORMATION CONTAINED IN THESE
MANUALS MAY BE SIGNIFICANTLY CHANGED FROM EARLIER
REVISIONS. USE OF OBSOLETE INFORMATION MAY CREATE AN
UNSAFE CONDITION THAT MAY RESULT IN DEATH, SERIOUS BODILY
INJURY, AND/OR SUBSTANTIAL PROPERTY DAMAGE.
The accuracy and applicability of this manual has not been verified for any assembly, component or part
not manufactured by Hartzell Engine Technologies LLC (HET). Any use of the manual for other than its
intended or implied purpose is prohibited. The use of the manual for the purpose of performing any
installation, maintenance, replacement, adjustment, or inspection of any assembly, component or part not
manufactured by HET is not approved, endorsed, or sanctioned by HET.
This manual has been approved by Hartzell Engine Technologies LLC as the proper methods and
procedures that FAA or other airworthiness authority Certificated Repair Stations and A/P Mechanics
should use in the inspection and maintenance of Hartzell Engine Technologies LLC alternators.
No liability will be assumed by Hartzell Engine Technologies LLC for actual, consequential, incidental or
other types of damages directly or indirectly resulting from the unauthorized use of this manual for other
than its stated purposes.
The liability for use of the authorized data herein for the maintenance, or return to service is limited to
the specific terms and conditions stated under the applicable Limited Warranty in effect for each piece
part, component, assembly or whole unit sold by HET.
Because of the numerous modifications, Supplemental Type Certificates (STC), Parts Manufacturing
Approvals (PMA), or Form 337 Field Approvals that may apply, it is the responsibility of the repairman,
mechanic or maintenance facility to determine the proper engine or aircraft application of this alternator
assembly. Please refer to the appropriate aircraft Type Certificate (TC), Supplemental Type Certificate
(STC), aircraft equipment list, maintenance manuals, and/or Log Book entries for determination.
When performing installation, maintenance, replacement, adjustment, or inspection of any HET assembly,
component or part, it is imperative that the latest revision of this HET manual or other product support
document be referenced. Reference the HET website to be sure you have the latest revision before
performing any work. (http://www.hartzell.aero/maintenance-manuals/)
All reasonable attempts were made to make this manual as complete and accurate as possible. If you
have any questions, comments, corrections or require clarification of any information contained herein,
please write to Hartzell Engine Technologies LLC, 2900 Selma Highway, Montgomery, Alabama, 36108
USA. TEL +1.334.386.5400, FAX +1.334.386.5410, or http://hartzell.aero/contact/.
Aircraft Alternator
Maintenance Manual
ES1031
24-30-01
Rev. B: 20 Apr. 2022
Page: 1-1
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