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Donaldson AFS-BH430-IBF-ICA Instructions Manual

Inlet barrier filter system for the bell helicopter textron canada model 230 and 430 helicopters
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INSTRUCTIONS FOR CONTINUED AIRWORTHINESS
INLET BARRIER FILTER SYSTEM
LIMITED and/or RESTRICTED RIGHTS NOTICE
This document, along with its drawings and photographs, contains Trade Secrets and/or Commercial or
Financial Information that is proprietary to Aerospace Filtration Systems, Inc. (AFS) under 5 USC 552 as
amended, and is Prohibited from Public Disclosure by 18 USC 1905. Do not duplicate or disclose outside
the U.S. Government without the express written permission of Aerospace Filtration Systems, Inc.
The Government's rights to use, modify, reproduce, release, perform, display, or disclose these technical
data are restricted to the purpose of evaluating AFS's design for FAA commercial certification and
airworthiness consideration only. Any reproduction of technical data or portions thereof marked with this
legend, or referring to this legend, must also reproduce the markings and legend. Any person, other than the
Government, who has been provided access to such data must promptly notify: Aerospace Filtration
Systems, Inc., Attn: Business Manager, 17891 Chesterfield Airport Road, Chesterfield, MO 63005
The data subject to this limited/restricted rights notice is contained on all pages.
Document Number: AFS-BH430-IBF-ICA
Revision:
Date:
for the
Bell Helicopter Textron Canada
Model 230 and 430 Helicopters
FAA STC No. SR02794CH
17891 Chesterfield Airport Road
Chesterfield, MO 63005
COPYRIGHT© 2008
Aerospace Filtration Systems, Inc.
UNPUBLISHED — ALL RIGHTS RESERVED
B
19 April 2011

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Summary of Contents for Donaldson AFS-BH430-IBF-ICA

  • Page 1 Document Number: AFS-BH430-IBF-ICA Revision: 19 April 2011 Date: INSTRUCTIONS FOR CONTINUED AIRWORTHINESS INLET BARRIER FILTER SYSTEM for the Bell Helicopter Textron Canada Model 230 and 430 Helicopters FAA STC No. SR02794CH 17891 Chesterfield Airport Road Chesterfield, MO 63005 COPYRIGHT© 2008 Aerospace Filtration Systems, Inc.
  • Page 2 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information PROPRIETARY DATA STATEMENT This data, excluding Chapter 4, Airworthiness Limitations, are proprietary to Aerospace Filtration Systems, Inc. Disclosure, reproduction, or use of these data for any purpose other than helicopter operation and/or maintenance is forbidden without prior written authorization from Aerospace Filtration Systems, Inc.
  • Page 4 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information LOG OF REVISIONS Revision No. Revision Description Release Date Initial Release 11-26-08 Changed 106114-201 to 118265-201 and 104441-201 to 104441-203, associated with these changes are the tables in sections 8.5.2.5, 8.5.3.7, 8-24-09 and Appendix A.

  • Page 5: Table Of Contents

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information INSTRUCTIONS FOR CONTINUED AIRWORTHINESS For the Aerospace Filtration Systems Engine Inlet Barrier Filter System Installed on the Bell Model 230 and 430 Helicopters Table of Contents INTRODUCTION ............................... 1 SCOPE OF THIS MANUAL ........................1 USE OF THIS MANUAL ..........................
  • Page 6 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information 7.3.1 FILTER PRE-CLEANING ........................20 7.3.2 FILTER CLEANING ..........................20 7.3.3 FILTER DRYING ..........................21 7.3.4 FILTER OILING............................ 21 STRUCTURAL COMPONENT SERVICING ..................22 SYSTEMS AND ELECTRICAL SERVICING ..................23 ENGINE WATER WASH ......................... 23 AIRCRAFT WASHING ..........................
  • Page 7 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Table of Pictures Picture 1: FMA Operation ......................13 Picture 2: Cockpit Switch/Indicator ....................17 Picture 3: Circuit Breaker ....................... 17 Picture 4: Oiling Filter Media ......................22 Picture 5: Hand Seamer Used to Straighten or Crimp Pleats ............28 Picture 6: Test Setup with Manometer ....................
  • Page 8 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information THIS PAGE INTENTIONALLY LEFT BLANK Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page Instructions for Continued Airworthiness...

  • Page 9: Introduction

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information INTRODUCTION SCOPE OF THIS MANUAL These Instructions for Continued Airworthiness (ICA) provide the information required to do the maintenance and repair of the Aerospace Filtration Systems, Inc. (AFS) Inlet Barrier Filter (IBF) system installation on the Bell Model 230 and 430 helicopters.
  • Page 10 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Cockpit switch/indicator A push button switch, labeled “IBF 1”or “IBF 2”, is used to OPEN or CLOSE the respective bypass door. This switch is normally CLOSED and is pressed to the OPEN position only when the cockpit indicator, an amber caution “FILTER”...

  • Page 11: Acronyms

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information a dirty Filter Assembly), and / or any “IBF FILTER” light indication on the cockpit indicator. Plenum chamber Space between the filter assemblies and the engine inlet, and the space between the Bypass Door and engine inlet.

  • Page 12: Warnings, Cautions, And Notes

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information WARNINGS, CAUTIONS, AND NOTES Warning, cautions and notes are used throughout this manual to emphasize important and critical instructions. WARNING IF YOU DO NOT FOLLOW THE INSTRUCTIONS THAT ARE GIVEN IN A WARNING, PERSONAL INJURY CAN OCCUR.

  • Page 13: Distribution Of Changes

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information DISTRIBUTION OF CHANGES Changes shall be distributed by posting them on the AFS webpage www.afsfilters.com. NOTE This webpage should be checked prior to the performance of any maintenance actions on the IBF system to confirm possession of the latest FAA approved revision.
  • Page 14 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information pressure normally experienced with the Particle Separator installed. Upon illumination of the IBF “FILTER” caution light, the pilot must closely monitor the engine instruments and if engine performance degradation is evident the pilot should push the cockpit switch, labeled IBF 1 or IBF 2, to activate the actuator and open the bypass door for the respective engine.

  • Page 15: Figure 1: Ibf System Installation

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure 1: IBF System Installation Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page Instructions for Continued Airworthiness...

  • Page 16: Airworthiness Limitations

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information AIRWORTHINESS LIMITATIONS FAA APPROVAL BLOCK The Airworthiness Limitations Section is FAA approved and specifies maintenance required under Secs. 43.16 and 91.403 of the Federal Aviation Regulations unless an alternative program has been FAA approved.

  • Page 17: General

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information GENERAL The Airworthiness Limitations for the AFS Inlet Barrier Filtration system (IBF) as installed on Bell Helicopter model 230 and 430 helicopters are FAA approved. NOTE The retirement life given or the failure to give a retirement life to a component does not constitute a warranty of any kind.

  • Page 18: Inspection Requirements And Overhaul

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information INSPECTION REQUIREMENTS AND OVERHAUL INSPECTION REQUIREMENTS GENERAL REQUIREMENTS a. Inspection of the IBF system consists of, in general terms, inspection of the filter assembly, inspection of the structural components, inspection of electrical and system components, and a special inspection at three specified points based on hours after initial installation.

  • Page 19: Structural Component Inspections

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information 3.2.2 STRUCTURAL COMPONENT INSPECTIONS VISUAL: All structural IBF components are to be inspected in accordance with Table 1 every 100 hours and annual inspection. These components include the following: Forward Filter Assemblies, Upper Filter Assemblies, Side Closeout Assemblies, and Sensor mounting components.

  • Page 20: Ibf Bypass Cockpit Switch Function Check

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information 3.2.4 IBF BYPASS COCKPIT SWITCH FUNCTION CHECK FUNCTION CHECK: A function check of each IBF BYPASS Cockpit Switch is to be performed every 100 hours (See Table 1). Perform the function check as follows: (1) With aircraft power ON, push the IBF BYPASS switch in, the BYPASS light should illuminate and the bypass door should open, visually verify this has happened.

  • Page 21: Picture 1: Fma Operation

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Zone YELLOW Indicator GREEN Zone YELLOW RESET Button Picture 1: FMA Operation “YELLOW Indicator” position relative to SAFE OPERATING ZONE (“GREEN Zone”) or SERVICE FILTER (“RED Zone”) markings defines current filter condition, and pushing “YELLOW RESET Button”...

  • Page 22: Table 1: Inspection Intervals

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Table 1: Inspection Intervals Inspection Intervals Inspection Components Inspection Scheduled Type Time In Service Notes Annual Hrs. Conditional 1. Visual 300 hrs / 1 yr 2, 3, 4, 5, 7 Filter Assembly as Scheduled 2.

  • Page 23: Access Panels

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information ACCESS PANELS GENERAL DESCRIPTION This chapter addresses how to access the IBF system installation for servicing or maintenance. ACCESS FOR FILTER SERVICING Filter servicing requires removal of the L/H and R/H Air Inlet Cowl and the L/H and R/H Air Intake Plenum to gain access to the filter assemblies.

  • Page 24: Storage

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information STORAGE STORAGE CAUTION NEVER INSTALL A FILTER ASSEMBLY AND/OR OPERATE AN AIRCRAFT WITH A FILTER INSTALLED WHERE THE FILTER MEDIA HAS NOT BEEN PROPERLY OILED. Long-term storage has no effect on filter assembly reliability if stored unoiled (dry) in a cool, dry location to discourage possible fungus growth.

  • Page 25: Placards, Data Plates, And Markings

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information PLACARDS, DATA PLATES, AND MARKINGS MARKING – Part Number / PMA / Serialization The IBF system is marked on the floor assembly to contain the top level part number, the serial number of the system, and the FAA PMA markings, if applicable.

  • Page 26: Servicing

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information SERVICING AUTHORIZED MATERIALS Service AFS Filter Assemblies with only AFS approved filter oil or AFS authorized substitutes. NOTE Refer to Chapter 8 for removal, inspection, repair and installation of filter assembly. Upon satisfactory inspection and any required maintenance of the filter assembly proceed with the rest of the servicing instructions for the filter assembly.

  • Page 27: Prepared Field Operations

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information d. Any FMA indication in the area marked in “RED” requires servicing of the filter assembly. See filter servicing Section 7.3. e. At any time prior to an IBF “FILTER” indication on the cockpit indicator, an FMA indication in the “RED”, or a failed PAC, when maintenance or flight personnel see a trend on the FMA that...

  • Page 28: Filter Assembly Servicing

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information FILTER ASSEMBLY SERVICING The filter assembly servicing section defines the procedures for pre-cleaning, cleaning, drying, and oiling the filter media in the filter assembly. 7.3.1 FILTER PRE-CLEANING a. Servicing of the filter assembly is determined by the inspection requirements found in Chapter b.

  • Page 29: Filter Drying

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information e. Repeat the rinsing procedure once again, until there is no visible debris on the surface and the runoff water is relatively clean. f. When finished, flip the filter once again and repeat the rinse from clean side to dirty side.

  • Page 30: Structural Component Servicing

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information a. The filter will not function properly if other types of oil are used. AFS approved Air Filter Oil is a unique blend of mineral and organic oil base stocks and special polymers that form a very efficient “tack barrier.”...

  • Page 31: Systems And Electrical Servicing

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information SYSTEMS AND ELECTRICAL SERVICING There are no system and electrical components requiring periodic servicing. See Chapter 6 for inspection requirements and Chapter 8 for maintenance requirements. NOTE The Filter Maintenance Aid is designed to indicate the highest differential...

  • Page 32: Troubleshooting And Maintenance

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information TROUBLESHOOTING AND MAINTENANCE MAINTENANCE GENERAL CAUTION THOROUGHLY REVIEW AND BECOME FAMILIAR WITH THE APPENDIX PARTS FIGURES BEFORE PERFORMING MAINTENANCE ON THE IBF SYSTEM. NOTE Except where otherwise indicated, all torque values shall be in accordance with Chapter 7 of FAA Advisory Circular AC 43.13-1B.

  • Page 33: Components - General Description

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information COMPONENTS - GENERAL DESCRIPTION 8.2.1 FILTER ASSY / FILTER SEAL (Refer to Appendix A, Figure A-10 & 11) a. Filter Assembly - The Filter Assembly is composed of the filter media (stainless steel mesh covering cotton gauze) bonded into the aluminum alloy filter frame assembly.

  • Page 34: Filter Assy / Filter Seal

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information aid to help maintenance personnel and pilots to ascertain the current condition or trend accumulation of dirt on the Filter Assembly. d. Actuator - The Actuator is an electro-mechanical device that provides mechanical actuation of the Bypass Door when the cockpit switch is pushed to open or close the bypass door.
  • Page 35 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information 8.3.1.2 Inspection – Filter Assy NOTE After servicing of the Filter Assembly or at any time the Filter Assembly is inspected, the pleats may require straightening or crimping. If you cannot see the bottom of the pleat, the airflow will be restricted and/or the pleats will adhere to one another when dirt loaded.

  • Page 36: Picture 5: Hand Seamer Used To Straighten Or Crimp Pleats

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information CAUTION DO NOT OVER CRIMP AND CRUSH PLEAT; CARE MUST BE TAKEN TO SQUEEZE THE PLEATS WITHOUT DAMAGING THE PLEATED SCREEN. THE RADIUS AT THE TOP OF THE PLEAT SHOULD REMAIN INTACT, NOT CREASED.
  • Page 37 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information NOTE Repair filter media damage after cleaning but prior to oiling of filters. 8.3.1.7 Repair - Filter Media, Small Ruptures, Tears, or Holes a. In the event of damage to the filter media, ruptures in the filter media may be repaired. Small ruptures defined as smaller than .500 inch diameter or length can be sealed without degradation...

  • Page 38: Upper Filter Assy

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information 8.3.2 UPPER FILTER ASSY 8.3.2.1 Removal – Filter Assy CAUTION UPON REMOVAL OF THE FILTER ASSEMBLY, COVER THE ENGINE INLET TO ENSURE IT IS PROTECTED FROM FOREIGN OBJECT DAMAGE (FOD). g. Remove the L/H or R/H Air Inlet Cowl whichever is applicable.

  • Page 39: Filter Seals

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information 8.3.2.8 Repair - Filter Media, Large Ruptures, Tears, or Holes See Section 8.3.1.8 8.3.2.9 Repair – Filter Assy, Other Damage See Section 8.3.1.9 8.3.2.10 Installation – Filter Assy CAUTION REMOVE COVER...
  • Page 40 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information This filter contains three (3) seals, two are held is place with adhesive and one is held in place with fasteners. Aft Seal a. Use a plastic scraper to gently scrape the seal off the Filter Assembly.

  • Page 41: Structural Components

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information b. To install the Seal, clean surface of Filter Frame, locate and bond Seal in place using Dow Corning RTV 736 or equivalent. c. Locate the retainer on the Seal. d. Install the twenty-two (22) MS27039 bolts that that secure the seal to the Filter Assembly.
  • Page 42 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information g. Disconnect the actuator electrical connector from the wire harness. h. Disconnect the wire harness from the firewall connector. i. Remove the wire harness from the bracket located on the Bypass Structural Assembly.
  • Page 43 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information 8.4.1.4 Calibration / Adjustment Not applicable. 8.4.1.5 Repair a. Cracks. No un-repaired cracks are allowed in the Bypass Structural Assembly. Contact AFS for disposition and possible repairs. b. Warping or distortion. Contact AFS for disposition and possible repairs.

  • Page 44: Systems And Electrical Components

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information SYSTEMS AND ELECTRICAL COMPONENTS 8.5.1 COCKPIT SWITCH/INDICATOR (Refer to Appendix A, Figure A-12) 8.5.1.1 Removal a. Gain access to the back of the instrument panel. b. Remove connector at back of Cockpit Switch / Indicator.

  • Page 45: Differential Pressure Switch

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information c. The word “BYPASS” should illuminate on the lower segment of the respective Cockpit Switch / Indicator when the door reaches the full open position. d. Verify the respective Bypass Door is open.
  • Page 46 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information See Table 3 for troubleshooting guidance. 8.5.2.4 Adjustment / Calibration / Repair NOTE If problems are suspected with the differential pressure switch, disconnect the supply line connecting the pressure switch to the static port and clean and flush the line and static port.

  • Page 47: Figure 4: Test Equipment Setup

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Test Station Elevation (ft) Test Method 2000 4000 6000 8000 10000 Low Pressure Calibrator 11.0 ± 1.1 (inches of H Altimeter Test Set 760 ±80 ft 800 ±80 ft 850 ±90 ft 910 ±90 ft...

  • Page 48: Filter Maintenance Aid

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Picture 6: Test Setup with Manometer 8.5.2.6 Installation a. Gain access inside the L/H or R/H Air Intake Cowling, whichever is applicable. b. Properly orient the Differential Pressure Switch in the Clamp.
  • Page 49 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information d. Remove Filter Maintenance Aid. 8.5.3.2 Inspection a. Inspect the Filter Maintenance Aid and associated mounting for discoloration affecting readability, cracks, deformation, missing or damaged components, and serviceability. b. Inspect the Filter Maintenance Aid Plenum Tube Assembly for debris and insure that the tube is clear and unobstructed.
  • Page 50 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information 8.5.3.7 Function Check CAUTION THIS PROCEDURE INTRODUCES THE POSSIBILITY OF ENGINE FOD. CAUTION IMPROPER USE OF THE ALTIMETER TEST SET COULD RESULT IN DAMAGE TO THE FILTER MAINTENANCE AID. CAUTION IMPROPER USE OF THE ALTIMETER TEST SET SUCH AS PULLING AN ALTITUDE OF GREATER THAN 1880 FEET ABOVE FIELD ELEVATION WILL DAMAGE THE FILTER MAINTENANCE AID.

  • Page 51: Actuator

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information 8.5.4 ACTUATOR (Refer to Appendix A, Figures A-2 & A-4) 8.5.4.1 Removal a. Gain access inside the L/H or R/H Air Intake Cowling, whichever is applicable. b. Remove the inboard and outboard Inlet Plenum.
  • Page 52 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information c. Remove hardware from Actuator rod end at Bypass Door. CAUTION TO PREVENT INTERNAL DAMAGE TO THE ACTUATOR, HOLD THE ROD END WHILE LOOSENING, TIGHTENING, OR APPLYING TORQUE TO THE JAMB NUT.
  • Page 53 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information removing / replacing the rod end. Perform the Actuator / Bypass Door Adjustment procedure per Section 8.5.4.4. 8.5.4.7 Function Check a. Gain access to the area below the Bypass Door (Refer to Sections 4.3 & 4.3), and clear the area of any tools, hardware, or other obstructions.

  • Page 54: Wiring, Wiring Harness, Connectors, Backshells, Circuit Breaker, Relay

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information c. Install the connector to the Actuator. Ensure aircraft power is ON. Move the IBF BYPASS Cockpit Switch to the OPEN position to fully extend the Actuator rod to bypass door open position.

  • Page 55: Fastener Listing

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information 8.5.5.5 Repair Standard aircraft maintenance procedures should be used for repair of the wiring, wire harness and associated components. See Appendix A, Figure A-9 for wiring diagram, wire marking and identification, routing, and installation information. Perform repairs to affected components per AC 43.13-1, Chapter 11.

  • Page 56: Table 2: Protective Treatment For Components

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Component Material Limits of Damage Protective Treatment Filter Assembly Alum. Alloy Sheet Stk. Scratches, pitting, gouges Alodine and must be less than 20% of Re-apply Epoxy Primer part thickness. See note 1.

  • Page 57: Troubleshooting Guide

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information TROUBLESHOOTING GUIDE The following table defines the probable cause, remedy, and ICA reference to the applicable procedure for correcting the trouble listed in the table. Multiple failures are not addressed in this table such as a failed actuator and failed wiring existing at the same time.

  • Page 58: Special Tools / Special Equipment

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information SPECIAL TOOLS / SPECIAL EQUIPMENT NOTE Standard Aircraft Mechanic Tools are not listed. a. Hand Seamer with 1 1/4 inch maximum jaw depth – Required for straightening of the filter assembly pleats. Hand seamers are available through many commercial aircraft supply stores and also through commercial heating and air conditioning supply stores.

  • Page 59: Ica Appendix A - Illustrated Parts Breakdown

    AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information ICA APPENDIX A – ILLUSTRATED PARTS BREAKDOWN TABLE OF CONTENTS Figure A-1: IBF........................... A-2 Figure A-2: Bypass Structural Assy ................... A-4 Figure A-3: Bypass Structural Sub-Assy ..................A-6 Figure A-4: Actuator Mechanism ....................A-9 Figure A-5: Bypass Screen Assembly ..................
  • Page 60 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure A-1: IBF Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page Instructions for Continued Airworthiness...
  • Page 61 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information UNIT INDEX ITEM NAME PART NUMBER NUMBER ASSY FIGURE A-1: IBF 118000-101 Installation – IBF, System, Bell 430 Assy – Filter, UPR 118300-102 (See Figure A-10 for breakdown) Assy – Filter, UPR...
  • Page 62 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure A-2: Bypass Structural Assy (118100-101 Shown, 118100-102 opposite) Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page Instructions for Continued Airworthiness...
  • Page 63 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information UNIT INDEX ITEM NAME PART NUMBER NUMBER ASSY FIGURE A-2: Bypass Structural Assy 118100-101 Assy – Side Closeout Bypass Screen Assy (See Figure A-5 for breakdown) Bypass Structural Sub-Assy (See Figure A-3 for breakdown)
  • Page 64 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure A-3: Bypass Structural Sub-Assy Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page Instructions for Continued Airworthiness...
  • Page 65 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information UNIT INDEX ITEM NAME PART NUMBER NUMBER ASSY FIGURE A-3: Bypass Structural Sub-Assy Assy - Structure 118150-201/-202 Structure Sub-Assy Assy – Bypass Door 118252-201/-202 (See Figure A-6) 118159-201 Retainer – Hinge Pin...
  • Page 66 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Fig A-3 Bypass Structural Sub-Assy (Cont.) NAS6203-3 Bolt 118104-201 Retainer – Seal, Closure 118261-201 Support – Closure, Side, 90 Deg MS20470AD4-5 Rivet NAS1097AD3-3-5 Rivet NAS1097AD3-5 Rivet 118310-201/-202 Seal – Closeout, INBD 118405-201 Bracket –...
  • Page 67 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure A-4: Actuator Mechanism Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page Instructions for Continued Airworthiness...
  • Page 68 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information UNIT INDEX ITEM NAME PART NUMBER NUMBER ASSY FIGURE A-4: Actuator Mechanism 118600-101 Actuator Mechanism 118113-201 Actuator NAS6204-10D Bolt 118605-201 Spacer – Actuator, Mechanism NAS1149C0416R Washer NAS1149C0432R Washer NASM24665-235 Cotter Pin...
  • Page 69 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure A-5: Bypass Screen Assembly (118170-101 shown, 118170-102 opposite) A-11 Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page...
  • Page 70 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information UNIT INDEX ITEM NAME PART NUMBER NUMBER ASSY FIGURE A-5: Bypass Screen Assembly 118170-101/-102 Assy – Screen, Bypass 118105-201/-202 Screen - Bypass 118118-201 Angle – Screen, LWR FWD 118119-201 Angle – Screen, LWR AFT 118120-201 Angle –...
  • Page 71 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure A-6: Bypass Door Assembly (118500-101 shown, 118500-102 opposite) A-13 Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page...
  • Page 72 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information UNIT INDEX ITEM NAME PART NUMBER NUMBER ASSY FIGURE A-6: Bypass Door Assembly 118500-101/-102 Assy – Door, Bypass 118501-201/-201 Door - Bypass 118502-201 Hinge Half – Bypass Door 118504-201 Support – Actuator, Door Attach...
  • Page 73 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure A-7: FMA & Delta P Assembly (R/H shown, L/H opposite) A-15 Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page...
  • Page 74 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information UNIT INDEX ITEM NAME PART NUMBER NUMBER ASSY FIGURE A-7: FMA & Delta P Assy FMA & Delta P Assy See Fig A-9 Filter Maintenance Aid Assy See Fig A-8 Differential Pressure Switch Assy...
  • Page 75 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure A-8: Differential Pressure Assembly A-17 Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page Instructions for Continued Airworthiness...
  • Page 76 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information UNIT INDEX ITEM NAME PART NUMBER NUMBER ASSY FIGURE A-8: Differential Pressure Assembly Differential Pressure Assy 118265-201 Delta-P Sensor 118235-101 Assy – Tube, Delta-p, FWD 118202-201/-202 Cover – UPR (Used on 118004-101)
  • Page 77 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure A-9: FMA Assembly A-19 Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page Instructions for Continued Airworthiness...
  • Page 78 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information UNIT INDEX ITEM NAME PART NUMBER NUMBER ASSY FIGURE A-9: Filter Maintenance Aid Assembly Filter Maintenance Aid Assy 118203-102/-202 Cover – LWR (Used on 118004-101) MS21059L3 Platenut (Used on 118004-101) MS20426AD5-6...
  • Page 79 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure A-10: Upper Filter Assembly (118300-101 shown, 118300-102 opposite) A-21 Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page...
  • Page 80 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information UNIT INDEX ITEM NAME PART NUMBER NUMBER ASSY FIGURE A-10: Upper Filter Assembly 118300-101/-102 Assy – Filter, UPR 118390-101/-102 Sub-Assy – Filter, UPR 118309-201/-202 Seal – Top Filter, INBD 118316-201/-202 Seal – Top Filter, AFT 118308-201/-202 Seal –...
  • Page 81 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure A-11: Forward Filter Assembly (118350-101 shown, 118350-102 opposite) A-23 Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page...
  • Page 82 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information UNIT INDEX ITEM NAME PART NUMBER NUMBER ASSY FIGURE A-11: Forward Filter Assembly 118350-101/-102 Assy – Filter, FWD 118340-101/-102 Sub-Assy – Filter, FWD WES7900-10-A-10 Captive Bolt 118366-201 Seal – Filter, FWD, Corner 118365-201 Retainer –...
  • Page 83 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure A-12: FMA Interface Assembly UNIT INDEX ITEM NAME PART NUMBER NUMBER ASSY FIGURE A-12: FMA Interface Assy Assy – FMA Interface SS-400-61-4AN Bulkhead Fitting 118209-09-201 Support – FMA Tube 118210-201/-202 Tube –...
  • Page 84 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information Figure A-13: Electrical Installation and Schematic A-26 Use or disclosure of this material is subject AFS Bell 230 and 430 IBF to the restrictions on the title page Instructions for Continued Airworthiness...
  • Page 85 AFS-BH430-IBF-ICA Aerospace Filtration Systems, Inc. Revision: B Proprietary Information UNIT INDEX ITEM NAME PART NUMBER NUMBER ASSY FIGURE A-13: Electrical Installation and Schematic Electrical System – IBF and Aircraft Interface MS22073-3 Circuit Breaker 118401-202 Placard 118401-201 Placard LED-42-15-KB-36066 Switch/Indicator 18-200...

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