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AMSAFE 504414 Series Maintenance Manual

Restraint system
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AmSafe, Inc.
1043 N. 47th Ave
Phoenix, Arizona 85043
Phone: (602) 850-2850
Fax: (602) 850-2812
Restraint System
Assembly
Part No.
504414-SERIES
Abbreviated Component
Maintenance Manual
With illustrated parts list
PAGE 1 OF 42
June 9, 2014
Rev. 2
25-20-217
PRINTED IN USA
The document reference is online, please check the correspondence between the online documentation and the printed version.

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Summary of Contents for AMSAFE 504414 Series

  • Page 1 AmSafe, Inc. 1043 N. 47th Ave Phoenix, Arizona 85043 Phone: (602) 850-2850 Fax: (602) 850-2812 Restraint System Assembly Part No. 504414-SERIES Abbreviated Component Maintenance Manual With illustrated parts list PAGE 1 OF 42 June 9, 2014 Rev. 2 25-20-217 PRINTED IN USA...

  • Page 2: Proprietary Notice

    P/N 504414-SERIES PROPRIETARY NOTICE This document and the information disclosed herein are the proprietary data of AmSafe Inc. Neither this document nor the information contained herein shall be used, reproduced, or disclosed to others without the written authorization of AmSafe Inc., except to the extent required for installation or maintenance of recipient's equipment.
  • Page 3 MATERIALS HAZARD RATING CODE AmSafe Inc. uses the National Fire Protection Association system to identify the different levels of hazards that are caused by the use of a given material. A Hazard Code identifies three effects of a material on a person: health (eat, drink, touch, and breathe), fire (when and how it burns), and reactivity (chemical explosions).
  • Page 4 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES HEALTH HAZARD RATING IN POSITION 1 Rating Description Effect of Exposure Very short exposures could cause DEATH or CRITICAL REMAINING Very bad health INJURY even after fast medical treatment. Do not breathe the vapor or hazard come into contact with the liquid without approved protection.
  • Page 5 Standard maintenance procedures that technicians are thought to know are not given in this manual. Verification of these technical instructions is done by performance or by simulation of the necessary procedures. AmSafe Inc. will revise this manual as necessary to give current data.
  • Page 6 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES THIS PAGE INTENTIONALLY LEFT BLANK TABLE OF CONTENTS PAGE 6 OF 42 June 9, 2014 Rev. 2 25-20-217 Use or disclosure of information on this page is subject to the restrictions on the title page of this document The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 7 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES Subheading Page DESCRIPTION AND OPERATION TESTING AND FAULT ISOLATION AUTOMATIC TEST REQUIREMENTS (ATLAS) NOT APPLICABLE DISASSEMBLY CLEANING CHECK REPAIR ASSEMBLY AND STORAGE FITS AND CLEARANCES NOT APPLICABLE SPECIAL TOOLS, FIXTURES, AND EQUIPMENT NOT APPLICABLE ILLUSTRATED PARTS LIST PAGE 7 OF 42 June 9, 2014...
  • Page 8 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES THIS PAGE INTENTIONALLY LEFT BLANK PAGE 8 OF 42 June 9, 2014 Rev. 2 25-20-217 Use or disclosure of information on this page is subject to the restrictions on the title page of this document The document reference is online, please check the correspondence between the online documentation and the printed version.

  • Page 9: Description And Operation

    ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES DESCRIPTION AND OPERATION Description (see Figure 1.) The restraint system consists of the following major assemblies: Shoulder Strap Lap Belt Assy The restraint system assemblies come together at a common attachment point. All of the belts and straps are made from nylon webbing. The lap belt is fitted with a fixed buckle and an adjustable connector.
  • Page 10 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES Operation The restraint system is intended for use by the aircraft occupants. The system is specially designed to restrain a human body (seat occupant) during all flight attitudes and landings. The lap belts can be used separately or with the shoulder strap.

  • Page 11: Testing And Fault Isolation

    When malfunction is reported for failing requirements described in paragraph 1. C. Procedure Follow procedures as dictated in Table 101. If restraint fails any tests in Table 101, remove restraint for further evaluation or overhaul by AmSafe Inc. Test No. Procedure Limits Initial Test (Lap Belt Assy) Insert connector into buckle.
  • Page 12 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES Test No. Procedure Limits Initial Test (Shoulder Strap) Slowly pull the shoulder strap webbing all of the way Webbing extends. Webbing out of the inertia reel assembly. Observe webbing for should not exhibit excessive freedom of reel action and general appearance.
  • Page 13 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES Procedure for Fault Isolation When a Test Fails: Find the number of the test in Table 101 where the failure occurs. Use the fault isolation procedure in Table 102 to isolate the malfunction. All fault isolation procedures are keyed to the Test No.
  • Page 14 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES THIS PAGE INTENTIONALLY LEFT BLANK PAGE 14 OF 42 June 9, 2014 Rev. 2 25-20-217 Use or disclosure of information on this page is subject to the restrictions on the title page of this document The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 15 CAUTION: THE RESTRAINT SYSTEM MAY NOT BE DISASSEMBLED BEYOND THE LEVEL INDICATED BELOW. FURTHER REPAIR OF THIS SYSTEM MAY ONLY BE CARRIED OUT BY AMSAFE INC. (USA), AMSAFE LTD. (UK) OR AN AMSAFE APPROVED REPAIR STATION. AMSAFE INC. IS NOT RESPONSIBLE FOR DAMAGE OR MALFUNCTIONS RESULTING FROM ANY UNAUTHORIZED ATTEMPT TO REPAIR OR DISASSEMBLE THE RESTRAINT SYSTEM.
  • Page 16 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES THIS PAGE INTENTIONALLY LEFT BLANK PAGE 16 OF 42 June 9, 2014 Rev. 2 25-20-217 Use or disclosure of information on this page is subject to the restrictions on the title page of this document The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 17 REFER TO THE “CHECK” SECTION OF THIS MANUAL TO DETERMINE WHEN THE WEBBING OF A RESTRAINT SYSTEM MUST BE REPLACED BY AMSAFE OR AN AMSAFE APPROVED REPAIR STATION. WHEN CLEANING THE RESTRAINT SYSTEM, CARE MUST BE TAKEN TO KEEP AWAY FOREIGN MATTER AND CLEANING MEDIA FROM THE HARDWARE ASSEMBLIES.
  • Page 18 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES Cleaning the webbing. Attach pieces of cloth to cover the metal fittings. Either: Dry clean the webbing, (see cautions) or Hand wash the webbing. A gentle scrub with a soft brush and cold soapy solution is permissible.
  • Page 19 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES CHECK Task Use visual checks to find damaged or worn parts and parts that show signs of near failure. If you find and correct possible conditions of failure, you can prevent failures in the aircraft and make the equipment more reliable.
  • Page 20 The restraint may remain in service until defects are found upon inspection or in use. As a minimum, AmSafe recommends a yearly inspection of the restraint. The continued use of the restraint is subject to the routine inspection interval of the airframe by conducting a functional inspection check of the restraint in accordance with the procedures listed in the TESTING AND FAULT ISOLATION and CHECK sections of this ACM.
  • Page 21 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES Inspection Intervals (continued). When the equipment has been over-stressed or if over-stress is suspected. Visual inspection of the restraint will not always reveal the extent of the damage caused by over-stress/crash impact/severe loading conditions. In order to ensure that the original design performance and structural integrity is maintained, the user should remove and replace all restraint systems within the aircraft after over-stress/crash impact/severe loading conditions have occurred.
  • Page 22 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES THIS PAGE INTENTIONALLY LEFT BLANK PAGE 22 OF 42 June 9, 2014 Rev. 2 25-20-217 Use or disclosure of information on this page is subject to the restrictions on the title page of this document The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 23 INDICATED IN THE “DISASSEMBLY” SECTION. FURTHER REPAIR BEYOND THE LEVEL INDICATED BELOW OF THIS SYSTEM MAY ONLY BE CARRIED OUT BY AMSAFE INC. (USA), AMSAFE LTD. (UK) OR AN AMSAFE APPROVED REPAIR STATION. AMSAFE INC. IS NOT RESPONSIBLE FOR DAMAGE OR MALFUNCTIONS RESULTING FROM ANY UNAUTHORIZED ATTEMPT TO REPAIR OR DISASSEMBLE THE RESTRAINT SYSTEM.
  • Page 24 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES THIS PAGE INTENTIONALLY LEFT BLANK PAGE 24 OF 42 June 9, 2014 Rev. 2 25-20-217 Use or disclosure of information on this page is subject to the restrictions on the title page of this document The document reference is online, please check the correspondence between the online documentation and the printed version.

  • Page 25: Assembly And Storage

    ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES ASSEMBLY AND STORAGE Task Refer to paragraph 4 for storage instructions. Equipment and Materials No equipment required Procedure None Storage If you must keep the restraint in storage, keep it in conditions with a temperature range of -22°F to +131°F (-30°C to +55°C).
  • Page 26 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES THIS PAGE INTENTIONALLY LEFT BLANK PAGE 26 OF 42 June 9, 2014 Rev. 2 25-20-217 Use or disclosure of information on this page is subject to the restrictions on the title page of this document The document reference is online, please check the correspondence between the online documentation and the printed version.

  • Page 27: Illustrated Parts List

    Part number structure The top and sub assembly part numbers conclude with 4 digits (-XXXX) to indicate webbing color. For more information contact AmSafe Inc. customer service. How to Use the Parts List The Detailed Parts List shows assemblies, subassemblies, and detail parts of this unit. Part numbers and nomenclature identify each part.
  • Page 28 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY USABLE ON CODES CODE A 504414-401* CODE B 504414-405* CODE C 504414-409* CODE D 504414-411* CODE E 504414-413* CODE F 504414-415* CODE G 504414-417* CODE H 504414-419* CODE J 504414-420* CODE K 504414-421*...
  • Page 29 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY USABLE ON CODES CODE BA 504414-471* CODE BB 504414-472* CODE BC 504414-473* CODE BD 504414-474* CODE BE 504414-475* CODE BF 504414-476* CODE BG 504414-477* CODE BH 504414-478* CODE BJ 504414-479* CODE BK 504414-480*...
  • Page 30 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY USABLE ON CODES CODE DA 504414-519* CODE DB 504414-520* CODE DC 504414-521* CODE DD 504414-523* CODE DE 504414-524* CODE DF 504414-525* CODE DG 504414-526* CODE DH 504414-527* CODE DJ 504414-528* CODE DK 504414-529*...

  • Page 31: Restraint System

    ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY 504414-427* RESTRAINT SYSTEM UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY 504414-429* RESTRAINT SYSTEM 504414-431* RESTRAINT SYSTEM 504414-433* RESTRAINT SYSTEM 504414-435* RESTRAINT SYSTEM...
  • Page 32 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY 1AS 504414-464* RESTRAINT SYSTEM 1AT 504414-465* RESTRAINT SYSTEM 1AU 504414-466* RESTRAINT SYSTEM 1AV 504414-467* RESTRAINT SYSTEM UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO.
  • Page 33 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY 1BW 504414-492* RESTRAINT SYSTEM 1BY 504414-493* RESTRAINT SYSTEM 1BZ 504414-494* RESTRAINT SYSTEM 1CA 504414-495* RESTRAINT SYSTEM 1CB 504414-496* RESTRAINT SYSTEM 1CC 504414-497* RESTRAINT SYSTEM UNIT PART...

  • Page 34: Shoulder Harness

    ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY 1DB 504414-520* RESTRAINT SYSTEM 1DC 504414-521* RESTRAINT SYSTEM 1DD 504414-523* RESTRAINT SYSTEM 1DE 504414-524* RESTRAINT SYSTEM 1DF 504414-525* RESTRAINT SYSTEM 1DG 504414-526* RESTRAINT SYSTEM 1DH 504414-527* RESTRAINT SYSTEM...
  • Page 35 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY 504414-217* .SHOULDER HARNESS E, G K, L 504414-219* F, N .SHOULDER HARNESS H, J 504414-221* M, BL .SHOULDER HARNESS 504414-223* .SHOULDER HARNESS 504414-225* .SHOULDER HARNESS 504414-227*...
  • Page 36 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY 5AB 504414-257* .SHOULDER HARNESS 5AC 504414-259* .SHOULDER HARNESS 5AD 504414-261* .SHOULDER HARNESS 5AE 504414-263* .SHOULDER HARNESS 5AF 504414-265* .SHOULDER HARNESS 5AG 504414-267* .SHOULDER HARNESS 5AH 504414-269* .SHOULDER HARNESS...
  • Page 37 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY 5AT 504414-289* .SHOULDER HARNESS 5AU 504414-291* .SHOULDER HARNESS 5AV 504414-293* .SHOULDER HARNESS 5AW 504414-295* .SHOULDER HARNESS 5AY 504414-297* .SHOULDER HARNESS 5AZ 504414-299* .SHOULDER HARNESS 5BA 504414-301* .SHOULDER HARNESS...
  • Page 38 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY 10B 504608-403* B, C .LAP BELT ASSY 10C 504608-405* .LAP BELT ASSY 10D 506408-407* .LAP BELT ASSY 10E 504608-409* .LAP BELT ASSY 10F 504608-411* .LAP BELT ASSY 10G 504608-413*...
  • Page 39 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY 10AD 504608-414* .LAP BELT ASSY 10AE 504608-453* .LAP BELT ASSY 10AF 504608-454* .LAP BELT ASSY 10AG 504608-436* .LAP BELT ASSY 10AH 504608-455* .LAP BELT ASSY 10AJ 504608-456* .LAP BELT ASSY...
  • Page 40 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY 10BD 504608-477* .LAP BELT ASSY 10BE 504608-478* .LAP BELT ASSY 10BF 504608-479* .LAP BELT ASSY 10BG 504608-480* .LAP BELT ASSY 10BH 504608-481* .LAP BELT ASSY 10BJ 504608-482* .LAP BELT ASSY...
  • Page 41 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES UNIT PART AIRLINE 1234567 NOMENCLATURE FIG. ITEM NUMBER STOCK NO. CODE ASSY 10CG 504608-503* .LAP BELT ASSY 10CH 2171-1-113* .LAP BELT ASSY 10CJ 2171-1-123* .LAP BELT ASSY 10CK 2191-1-012* .LAP BELT ASSY 10CL 2171-1-114* .LAP BELT ASSY 10CM 2171-1-124* .LAP BELT ASSY...
  • Page 42 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES PAGE 42 OF 42 June 9, 2014 Rev. 2 25-20-217 Use or disclosure of information on this page is subject to the restrictions on the title page of this document The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 43 ABBREVIATED COMPONENT MAINTENANCE MANUAL P/N 504414-SERIES Figure 1 PAGE 43 OF 42 June 9, 2014 Rev. 2 25-20-217 Use or disclosure of information on this page is subject to the restrictions on the title page of this document The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 44 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 45 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 46 The document reference is online, please check the correspondence between the online documentation and the printed version.