BELL HELICOPTER 222 Maintenance Manual
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BELL HELICOPTER 222 Maintenance Manual

Volume 1 general information
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The instructions set forth in this manual, as supplemented or modified by Alert Service Bulletins (ASB) or
other directions issued by Bell Helicopter Textron Inc. and Airworthiness Directives (AD) issued by the
applicable regulatory agencies, shall be strictly followed.
COPYRIGHT NOTICE
COPYRIGHT
2011
BELL ® HELICOPTER TEXTRON INC.
AND BELL HELICOPTER TEXTRON
CANADA LTD.
ALL RIGHTS RESERVED
MAINTENANCE MANUAL
VOLUME 1
GENERAL INFORMATION
BHT-222/222B-MM-1
NOTICE
REISSUE — 12 FEBRUARY 1998
REVISION 7 — 9 SEPTEMBER 2011

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  • Page 1 NOTICE The instructions set forth in this manual, as supplemented or modified by Alert Service Bulletins (ASB) or other directions issued by Bell Helicopter Textron Inc. and Airworthiness Directives (AD) issued by the applicable regulatory agencies, shall be strictly followed.
  • Page 2 BHT-222/222B-MM-1 PROPRIETARY RIGHTS NOTICE These data are proprietary to Bell Helicopter Textron Inc. Disclosure, reproduction, or use of these data for any purpose other than helicopter operation or maintenance is forbidden without prior written authorization from Bell Helicopter Textron Inc.
  • Page 3 BHT-222/222B-MM-1 WARNING THIS MANUAL APPLIES ONLY TO HELICOPTERS AND COMPONENTS MAINTAINED IN ACCORDANCE WITH BELL HELICOPTER TEXTRON (BELL) APPROVED PROCEDURES USING BELL APPROVED PARTS. ALL INSPECTION, REPAIR AND OVERHAUL PROCEDURES PUBLISHED BY BELL, INCLUDING PART RETIREMENT LIFE, ARE BASED SOLELY ON THE USE OF BELL PARTS THAT HAVE BEEN MAINTAINED USING BELL APPROVED DATA.
  • Page 4 Product Support Engineering (PSE) is just a phone call away and may be contacted as follows: Model 206 or 407 Phone: 450-437-2862 or 800-243-6407 (U.S./Canada) Fax: 450-433-0272 E-mail: pselight@bellhelicopter.textron.com Model 222, 230, 427, 429, or 430 Phone: 450-437-2077 or 800-463-3036 (U.S./Canada) Fax: 450-433-0272 E-mail: pseinter@bellhelicopter.textron.com Model 204, 205, 212, or 412 Phone: 450-437-6201 or 800-363-8028 (U.S./Canada)
  • Page 5 VALUATE OGISTICS UBLICATIONS Have you found something wrong with this manual — an error, an inconsistency, unclear instructions, etc.? Although we strive for accuracy and clarity, we may make errors on occasion. If we do and you discover it, we would appreciate your telling us about it so that we can change whatever is incorrect or unclear.
  • Page 7 CUSTOMER FEEDBACK RETURN VIA FAX TO PRODUCT SUPPORT ENGINEERING (450) 433-0272, or MAIL TO THE ADDRESS ON THE NEXT PAGE. Manual Title: Manual Number (if assigned): Date of Issue: Date of Last Revision: Section, Chapter, Paragraph Affected: Your Feedback: Now Reads: Should Read: Your Name: Address:...
  • Page 8 TAPE HERE From POSTAGE NECESSARY PRODUCT SUPPORT ENGINEERING 12,800 rue de l’Avenir Mirabel Québec, Canada, J7J 1R4 FOLD ON DOTTED LINES AND TAPE TAPE HERE...
  • Page 9 Please complete this form and return by mail, e-mail (publications@bellhelicopter.textron.com), or fax (817-280-6466, Attention: CPDC). This will ensure that the new owners/operators receive updates to their Bell Helicopter Textron Technical Manuals and Bulletins. Model of Helicopter Sold or Purchased ___________________________________________...
  • Page 10 TAPE HERE From NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES BUSINESS REPLY MAIL FIRST CLASS PERMIT NO. 1744 FORT WORTH, TEXAS COMMERCIAL PUBLICATION DISTRIBUTION CENTER P.O. BOX 482 FORT WORTH, TEXAS 76101-0482 FOLD ON DOTTED LINES AND TAPE TAPE HERE...
  • Page 11 BHT-222/222B-MM-1 SPARE PARTS WARRANTY ONE YEAR/1,000 HOURS PRORATED WARRANTY AND REMEDY: Seller warrants each new helicopter part or helicopter part reconditioned by seller to be free from defect in material and workmanship under normal use and service and if installed on Bell model helicopters. Seller’s sole obligation under this warranty is limited to replacement or repair of parts which are determined to Seller’s reasonable satisfaction to have been defective...

  • Page 19: Table Of Contents

    After First 300 Hours and Each 50 Hours Thereafter ....5-00-00 5-32 Every 300 Hours of Component Operation........5-00-00 5-33 (Model 222) 300 and 900 Hours After INitial Installation (Springless Driveshaft Only) ............5-00-00 5-34 Every 600 Hours or 6 Months of Component Operation....5-00-00 5-35 Every 600 Hours or 12 Months of Component Operation....
  • Page 20 BHT-222/222B-MM-1 TABLE OF CONTENTS (CONT) Paragraph Chapter/Section Page Number Title Number Number 5-41 Every 3 Calendar Years..............5-00-00 5-42 Every 5 Calendar Years..............5-00-00 5-43 Every 10 Calendar Years............... 5-00-00 SPECIAL INSPECTIONS 5-44 Special Inspections ................ 5-00-00 5-45 After Every Main Rotor Hub Disassembly........

  • Page 21: General

    Make sure the Alert Service Bulletins (ASB), the Lead-The-Fleet (LTF), or any other special programs Airworthiness Directives (AD), and the special and the judgement of Bell Helicopter Textron inspections are done when they are required to be engineers. They are subject to change only by Bell done.

  • Page 22: Crash Damage

    Because of the many possible combinations that can result from crash damage, it is not possible to include For the common Bell Helicopter Textron approved the specific repair tasks in this category. The optional equipment that is integrated into this...

  • Page 23: Definitions

    The program is closely • Periodic inspection — An inspection which is repeated at equal time intervals. monitored by Bell Helicopter Textron in an operational environment with selected operators. • Progressive inspection — A scheduled inspection that is divided into smaller segments.

  • Page 24: Maintenance Zones

    BHT-222/222B-MM-1 Figure 5-1. Maintenance Zones 5-00-00 Page 6 Rev. 7 9 SEP 2011 ECCN EAR99...

  • Page 25: Inspection And Overhaul Tolerance

    AIRWORTHINESS LIFE (CHAPTER 4). the inspection and overhaul tolerance. If approval of the inspection and overhaul tolerance is The Bell Helicopter Textron approved tolerance for required by the applicable governing aviation authority, scheduled inspections, special inspections, interim this is the responsibility of the owner/operator.

  • Page 27: Scheduled Inspections

    • (Model 222) 300 and 900 hours after initial helicopter from new. To change between the periodic installation (springless driveshaft only) and progressive programs, you must first do the 50-hour, 150-hour, and 600-hour inspections. The •...
  • Page 28 BHT-222/222B-MM-1 • Every 600 hours • Every 1200 hours • Every 2500 hours • Every 6 months • Every 2 years • Every 3 years • Every 5 years • Every 10 years 5-00-00 Page 10 Rev. 7 9 SEP 2011...

  • Page 29: 50-Hour Inspection

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-13. 50-HOUR INSPECTION INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ To be performed every 50 hours of operating time or a minimum of once every 12 months, whichever comes first.
  • Page 30 Chapter 53 lnspect underside of fuselage and wing for evidence of fuel leaks. Inspect nose wheel stiffener 222-031-110-081 for cracks. Clean stiffener thoroughly prior to inspection. Pay particular attention to horizontal leg. If crack is found in any part of stiffener, TB 222-83-57 shall be accomplished.
  • Page 31 Inspect/repair flapping bearing and main rotor yoke assemblies. R1 Chapter 65 11. (Model 222) Inspect main rotor blade 222-015-500-101/ -105 upper and lower center spar doublers for debonding. Chapter 71 12. If installed, inspect external engine oil filters for impending bypass.
  • Page 32 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-13. 50-HOUR INSPECTION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER b. With electrical power ON, use a small length of wire and bridge gap at a tip of each detector. Verify corresponding engine chip light segment on caution panel illuminates. If caution lights fail to illuminate, correct fault prior to operation of helicopter.

  • Page 33: 150-Hour Inspection

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-14. 150-HOUR INSPECTION INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ To be performed every 150 hours of operating time or a minimum of once every 12 months, whichever comes first.
  • Page 34 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-14. 150-HOUR INSPECTION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Honeywell Perform applicable engine inspection. 101-650C/750C Series Operation and Maintenance Manual, LTS 101-2.2 Chapter 12 Lubricate helicopter components. DETAIL Chapter 25 lnspect seat cushions and seat backs for tears, excessive deterioration, and security of attachment.
  • Page 35 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-14. 150-HOUR INSPECTION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 27 10. lnspect roof mounted cyclic collective shaft BHT-ALL-SPM assemblies and control tubes for bearing binding, corrosion or mechanical damage, wear, and security of attachment. F5/F6...
  • Page 36 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-14. 150-HOUR INSPECTION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 65 16. For all main rotor hub assemblies, verify torque of main BHT-222-CR&O-2 rotor grip(s) retaining bolts/nuts. Apply 100 foot-pounds (135 Nm) of torque to the nut, in the tightening direction.
  • Page 37 F5/F6 e. Visually inspect the outside surfaces of station 270 bulkhead at and around the area of attachment fittings 222-031-592-101 to the bulkhead for cracks and damage. Chapter 66 26. lnspect the left longitudinal isolation mount and support for damage and security.
  • Page 38 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-14. 150-HOUR INSPECTION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER CAUTION I N G E S T I O N O F B R O K E N I N L E T S C R E E N SEGMENTS CAN CAUSE FOREIGN OBJECT DAMAGE TO ENGINE COMPRESSOR SECTION.
  • Page 39 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-14. 150-HOUR INSPECTION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 27 37. Remove access panel from bottom of aft fuselage and Chapter 29 inspect bellcrank and directional control hydraulic actuator supports for corrosion and mechanical damage. lnspect actuator for hydraulic leakage, bearing wear, and security of attachment.
  • Page 40 45. lnspect the vertical fin attachment bolts/nuts for proper torque as follows: a. For helicopters prior to TB 222-98-156, torque the nut in the tightening direction while restraining the bolt head. If 90 inch-pounds (10 Nm) of torque is reached without nut movement, increase the torque to 110 inch-pounds (12.5 Nm)
  • Page 41 This inspection is applicable to tail rotor hub and blades assembly prior upgrade TB 222-06-174 (Part II). 52. Inspect tail rotor blades pitch change bearings as follows: a. Without removing the blade, clean exposed areas of pitch change bearings. 5-00-00 ECCN EAR99 9 SEP 2011 Rev.
  • Page 42 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-14. 150-HOUR INSPECTION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER BHT-222-CR&O-3 b. With the blade bolts torqued to the highest value of torque range, visually inspect each bearing inner member neck area (full 360°) for cracks. If cracks are found, replace both bearings in blade.

  • Page 43: 600-Hour Inspection

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-15. 600-HOUR INSPECTION INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ To be performed every 600 hours of operating time or a minimum of once every 12 months, whichever comes first.
  • Page 44 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-15. 600-HOUR INSPECTION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 27 Check cyclic stick, collective stick, and tail rotor pedal minimum friction. Adjust if necessary. F2 Chapter 12 Remove access panels along bottom centerline of fuselage to FS 356.00.
  • Page 45 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-15. 600-HOUR INSPECTION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 53 lnspect horizontal stabilizer center area as follows: T1/T2 a. Remove upper support assembly. Save attaching hardware. b. Clean upper surface of stabilizer. NOTE Surface must be free of all dirt and residue.
  • Page 46 222-031-592-101 to the station 270 bulkhead. e. If a crack or damage is detected, contact Product Support Engineering for repair procedure.
  • Page 47 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-15. 600-HOUR INSPECTION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER b. Examine wiring bundles for chafing. Make sure they are correctly attached. c. Examine the environmental control unit for general condition. Make sure it is correctly attached. Examine bleed air tubing connection for leakage.

  • Page 49: Progressive Inspection - Event 1

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-16. PROGRESSIVE INSPECTION — EVENT 1 INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ GENERAL Paragraph 5-13 Perform a complete 50-hour inspection.
  • Page 50 11. lnspect the vertical fin attachment bolts/nuts for proper torque as follows: a. For helicopters prior to TB 222-98-156, torque the nut in the tightening direction while restraining the bolt head. If 90 inch-pounds (10 Nm) of torque is reached without nut movement, increase the torque to 110 inch-pounds (12.5 Nm) of...
  • Page 51 INSPECTION TASK DESCRIPTION MECH OTHER b. For helicopters after TB 222-98-156, torque the nut in the tightening direction while restraining the bolt head. If 130 inch-pounds (14.5 Nm) of torque is reached without nut movement, increase torque to 160 inch-pounds (18 Nm) of torque.
  • Page 52 R2 NOTE This inspection is applicable to tail rotor hub and blades assembly prior to upgrade per TB 222-06-174 (Part II). 18. Inspect tail rotor blades pitch change bearings as follows: a. Without removing the blade, clean exposed areas of pitch change bearings.

  • Page 53: Progressive Inspection - Event 2

    F5/F6 e. Visually inspect the outside surfaces of station 270 bulkhead at and around the area of attachment fittings 222-031-592-101 to the bulkhead for cracks and damage. 5-00-00 ECCN EAR99 9 SEP 2011 Rev. 7...
  • Page 54 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-17. PROGRESSIVE INSPECTION — EVENT 2 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER NOTE Examine inspection window(s) and/or glass(es) for cracking and discoloration. If either of these conditions are present, the part must be removed and replaced prior to returning helicopter for service.
  • Page 55 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-17. PROGRESSIVE INSPECTION — EVENT 2 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 66 10. Visually inspect the outboard and inboard collective lever idler link attachment points for condition in area of lugs in transmission top case.
  • Page 56 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-17. PROGRESSIVE INSPECTION — EVENT 2 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 7 18. Inspect landing gear as follows: Chapter 29 Chapter 32 a. Jack helicopter clear of ground and cycle landing gear.

  • Page 57: Progressive Inspection - Event 3

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-18. PROGRESSIVE INSPECTION — EVENT 3 INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ GENERAL Paragraph 5-13 Perform a complete 50-hour inspection.
  • Page 58 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-18. PROGRESSIVE INSPECTION — EVENT 3 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 25 lnspect safety belts shoulder harnesses deterioration and security of attachment. F1/F2, F3/F4 Chapter 26 lnspect cabin fire extinguisher for security and condition, damage, corrosion, and quick opening clamp for operation and security.
  • Page 59 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-18. PROGRESSIVE INSPECTION — EVENT 3 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 71 17. lnspect right power plant area for evidence of fuel and oil leaks, flexible and rigid fuel and oil lines for wear, chafing, damage, and security of attachment.
  • Page 61 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-19. PROGRESSIVE INSPECTION — EVENT 4 INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ GENERAL Paragraph 5-13 Perform a complete 50-hour inspection.

  • Page 62: Progressive Inspection - Event 4

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-19. PROGRESSIVE INSPECTION — EVENT 4 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 66 lnspect forward tail rotor driveshaft hanger coupling disc assembly for cracks radiating from bolt holes, corrosion, wrinkles, or other evidence of overstress. E1...
  • Page 63 11. Inspect the vertical fin attachment bolts/nuts for proper torque as follows: a. For helicopters prior to TB 222-98-156, torque the nut in the tightening direction while restraining the bolt head. If 90 inch-pounds (10 Nm) of torque is reached without nut movement, increase torque to 110 inch-pounds (12.5 Nm) of...
  • Page 64 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-19. PROGRESSIVE INSPECTION — EVENT 4 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER 14. Inspect tail rotor gearbox retaining nuts for proper torque. 15. Inspect tail rotor pitch control assembly as follows: a. Check for excessive radial play between the pitch control assembly and the tail rotor gearbox output shaft due to a worn or debonded guide bearing.
  • Page 65 MECH OTHER NOTE This inspection is applicable to tail rotor hub and blades assembly prior to upgrade per TB 222-06-174 (Part II). 19. Inspect tail rotor blades pitch change bearings as follows: Chapter 65 a. Without removing the blade, clean exposed areas of pitch change bearings.

  • Page 67: Progressive Inspection - Event 5

    F5/F6 e. Visually inspect the outside surfaces of station 270 bulkhead at and around the area of attachment fittings 222-031-592-101 to the bulkhead for cracks and damage. 5-00-00 ECCN EAR99 9 SEP 2011 Rev. 7...
  • Page 68 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-20. PROGRESSIVE INSPECTION — EVENT 5 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER NOTE Examine inspection window(s) and/or glass(es) for cracking and discoloration. If either of these conditions are present, the part must be removed and replaced prior to returning helicopter for service.
  • Page 69 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-20. PROGRESSIVE INSPECTION — EVENT 5 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 66 10. Visually inspect the outboard and inboard collective lever idler link attachment points for condition in area of lugs in transmission top case.

  • Page 71: Progressive Inspection - Event 6

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-21. PROGRESSIVE INSPECTION — EVENT 6 INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ Paragraph 5-13 GENERAL Perform a complete 50-hour inspection.
  • Page 72 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-21. PROGRESSIVE INSPECTION — EVENT 6 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 25 lnspect safety belts shoulder harnesses deterioration and security of attachment. F1/F2, F3/F4 Chapter 26 lnspect cabin fire extinguisher for security and condition, damage, corrosion, and quick opening clamp for operation and security.
  • Page 73 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-21. PROGRESSIVE INSPECTION — EVENT 6 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 71 17. Inspect right power plant area for evidence of fuel and oil leaks, flexible and rigid fuel and oil lines for wear, chafing, damage, and security of attachment.

  • Page 75: Progressive Inspection - Event 7

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-22. PROGRESSIVE INSPECTION — EVENT 7 INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ GENERAL Paragraph 5-13 Perform a complete 50-hour inspection.
  • Page 76 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-22. PROGRESSIVE INSPECTION — EVENT 7 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 66 lnspect forward tail rotor driveshaft hanger coupling disc assembly for cracks radiating from bolt holes, corrosion, wrinkles, or other evidence of overstress. E1...
  • Page 77 12. lnspect vertical fin attachment bolts/nuts for proper torque as follows: a. For helicopters prior to TB 222-98-156, torque the nut in the tightening direction while restraining the bolt head. If 90 inch-pounds (10 Nm) of torque is reached without nut movement, increase torque to 110 inch-pounds (12.5 Nm) of...
  • Page 78 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-22. PROGRESSIVE INSPECTION — EVENT 7 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER NOTE Examine inspection window(s) and/or glass(es) for cracking and discoloration. If either of these conditions are present, the part must be removed and replaced prior to returning helicopter for service.
  • Page 79 R2 NOTE This inspection is applicable to tail rotor hub and blades assembly prior to upgrade per TB 222-06-174 (Part II). 21. Inspect tail rotor blades pitch change bearings as follows: a. Without removing the blade, clean exposed areas of pitch change bearings.

  • Page 81: Progressive Inspection - Event 8

    F5/F6 e. Visually inspect the outside surfaces of station 270 bulkhead at and around the area of attachment fittings 222-031-592-101 to the bulkhead for cracks and damage. 5-00-00 ECCN EAR99 9 SEP 2011 Rev. 7...
  • Page 82 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-23. PROGRESSIVE INSPECTION — EVENT 8 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER NOTE Examine inspection window(s) and/or glass(es) for cracking and discoloration. If either of these conditions are present, the part must be removed and replaced prior to returning helicopter for service.
  • Page 83 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-23. PROGRESSIVE INSPECTION — EVENT 8 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 66 10. Visually inspect the outboard and inboard collective lever idler link attachment points for condition in area of lugs in transmission top case.
  • Page 85 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-24. PROGRESSIVE INSPECTION — EVENT 9 INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ GENERAL Paragraph 5-13 Perform a complete 50-hour inspection.

  • Page 86: Progressive Inspection - Event 9

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-24. PROGRESSIVE INSPECTION — EVENT 9 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 96 Remove battery. lnspect vent lines for obstructions or damage, and clean battery mounting area prior to installing a serviceable battery. F1/F2...
  • Page 87 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-24. PROGRESSIVE INSPECTION — EVENT 9 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 71 14. lnspect all firewalls and fireshields for cracks, distortion, loose or missing rivets, broken spot welds, deteriorating seals and sealant. E1/E2 Chapter 71 15.
  • Page 88 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-24. PROGRESSIVE INSPECTION — EVENT 9 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 65 25. For all main rotor hub assemblies, verify torque of main BHT-222-CR&O-2 rotor grip(s) retaining bolts/nuts. Apply 100 foot-pounds (135 Nm) of torque to the nut, in the tightening direction.
  • Page 89 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-25. PROGRESSIVE INSPECTION — EVENT 10 INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ GENERAL Paragraph 5-13 Perform a complete 50-hour inspection.

  • Page 90: Progressive Inspection - Event 10

    11. lnspect vertical fin attachment bolts/nuts for proper torque as follows: a. For helicopters prior to TB 222-98-156, torque the nut in the tightening direction while restraining the bolt head. If 90 inch-pounds (10 Nm) of torque is reached without nut movement, increase torque to 110 inch-pounds (12.5 Nm) of...
  • Page 91 INSPECTION TASK DESCRIPTION MECH OTHER b. For helicopters after TB 222-98-156, torque the nut in the tightening direction while restraining the bolt head. If 130 inch-pounds (14.5 Nm) of torque is reached without nut movement, increase torque to 160 inch-pounds (18 Nm) of torque.
  • Page 92 R2 NOTE This inspection is applicable to tail rotor hub and blades assembly prior to upgrade per TB 222-06-174 (Part II). 18. Inspect tail rotor blades pitch change bearings as follows: a. Without removing the blade, clean exposed areas of pitch change bearings.
  • Page 93 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-26. PROGRESSIVE INSPECTION — EVENT 11 INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ GENERAL Paragraph 5-13 Perform a complete 50-hour inspection.

  • Page 94: Progressive Inspection - Event 11

    222-031-592-101 to the station 270 bulkhead. (5) If a crack or damage is found, contact Product Support Engineering for repair procedure.
  • Page 95 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-26. PROGRESSIVE INSPECTION — EVENT 11 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 66 lnspect rotor brake assembly for evidence of hydraulic leakage, security of attachment, and excessive wear of brake linings. Check brake disc for damage. Check reservoir for fluid level and discoloration.
  • Page 96 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-26. PROGRESSIVE INSPECTION — EVENT 11 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER BHT-222-CR&O-2 15. Visually inspect the accessible portion of the main rotor elastomeric pitch axis bearings, trunnion bearings, and flapping springs for evidence of delamination or loss of elastomer. R1 Chapter 65 16.
  • Page 97 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-27. PROGRESSIVE INSPECTION — EVENT 12 INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ GENERAL Paragraph 5-13 Perform a complete 50-hour inspection.

  • Page 98: Progressive Inspection - Event 12

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-27. PROGRESSIVE INSPECTION — EVENT 12 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER a. On passenger door only, visually inspect window retainer to door frame bond. Replace the retainer if it is not securely bonded to the frame at all points except at the two lower corners.
  • Page 99 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-27. PROGRESSIVE INSPECTION — EVENT 12 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER CAUTION I N G E S T I O N O F B R O K E N I N L E T S C R E E N SEGMENTS CAN CAUSE FOREIGN OBJECT DAMAGE TO ENGINE COMPRESSOR SECTION.
  • Page 100 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-27. PROGRESSIVE INSPECTION — EVENT 12 (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 71 23. Remove right engine air inlet duct assembly. Inspect duct assembly for delamination. Inspect reverse flow baffle door for security of attachment and general condition.

  • Page 101: Every 100 Hours Of Component Operation

    At station 233, inspect front and aft portion of roof frame 222-031-503 from BL 0.0 to the right side attachment flange with the main beam 222-031-583 for cracks. Pay particular attention to the area in line with the inboard leg of star doubler. If a crack is found, contact Bell Helicopter Textron Customer Representative.
  • Page 102 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-28. EVERY 100 HOURS OF COMPONENT OPERATION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER LANDING GEAR NOTE This inspection is not required if landing gear trunnion 3965001-7 is installed. NOTE Clean nose landing gear trunnion prior to inspection with a 10 to 15% solution of cleaning compound (C-318) and water.

  • Page 103: Every 150 Hours Of Component Operation

    222-010-455-003 for adequate interference fit as follows: a. Clean and inspect drive pin 222-010-455-003 for damage and looseness. Any defect is cause for replacement. b. Using a marker, create a straight slip mark on the rotating ring/drive pin joint.
  • Page 104 NOTE The head of drive pin 222-010-455-003 has two flats that fit into a clearance slot inside the rotating ring. An unacceptable interference fit will allow the pin to rotate within the slot at a torque less than 50 foot-pounds (67.79 Nm).
  • Page 105 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-29. EVERY 150 HOURS OF COMPONENT OPERATION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER WARNING AP PLICA TION OF TORQUE IN E XCE SS OF 50 FOOT-POUNDS (67.79 NM) COULD RESULT IN A BREAKDOWN OF THE PRIMER ADHESION AND...

  • Page 107: Every 300 Hours Or 6 Months Of Component Operation

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-30. EVERY 300 HOURS OR 6 MONTHS OF COMPONENT OPERATION INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________...

  • Page 109: After First 300 Hours And Each 50 Hours Thereafter

    222-310-476-101 is installed. Disconnect swashplate drive links and inspect swashplate duplex bearing 222-310-470-001 by applying pressure in both up and down position while rotating the outer ring. If binding or roughness is found, the bearing must be replaced.

  • Page 111: Every 300 Hours Of Component Operation

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-32. EVERY 300 HOURS OF COMPONENT OPERATION INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ SWASHPLATE CONTROLS Clean and inspect collective friction collet.
  • Page 112 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-32. EVERY 300 HOURS OF COMPONENT OPERATION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER NOTE This inspection applicable drive pins 230-010-402-101 and -103 installed in any rotating ring assembly. Chapter 65 Disconnect both drive link assemblies from swashplate rotating ring.
  • Page 113 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-32. EVERY 300 HOURS OF COMPONENT OPERATION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER c. Align the rectangular hole of torque test tool 230-210-100-101 on the wrenching flats of the drive pin to be tested. Secure the tool to the pin with one thrust washer and nut.
  • Page 114 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-32. EVERY 300 HOURS OF COMPONENT OPERATION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER BHT-ALL-SPM g. If no rotation of the drive pin(s) is observed, inspect the pin(s) for visible damage. Repair any raised material on the wrenching flats of the drive pin(s) and refinish rework areas as required.
  • Page 115 At station 233, inspect front and aft portion of roof frame 222-031-503 from BL 0.0 to the right side attachment flange with the main beam 222-031-583 for cracks. Pay particular attention to the area in line with the inboard leg of star doubler. If a crack is found, contact Bell Helicopter Textron Customer Representative.
  • Page 116 DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER HORIZONTAL STABILIZER NOTE This inspection is not applicable to 222-035-250-107 and -109. X-ray horizontal stabilizer 222-035-250-103 and -105. Refer to ASB 222-89-53 for inspection procedure. 5-00-00 Page 98 Rev. 7 9 SEP 2011...

  • Page 117: Model 222) 300 And 900 Hours After Initial Installation (Springless Driveshaft Only)

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-33. (MODEL 222) 300 AND 900 HOURS AFTER INITIAL INSTALLATION (SPRINGLESS DRIVESHAFT ONLY) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________...

  • Page 119: Every 600 Hours Or 6 Months Of Component Operation

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-34. EVERY 600 HOURS OR 6 MONTHS OF COMPONENT OPERATION INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________...

  • Page 121: Every 600 Hours Or 12 Months Of Component Operation

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-35. EVERY 600 HOURS OR 12 MONTHS OF COMPONENT OPERATION INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________...

  • Page 123: Every 600 Hours Of Component Operation

    At station 233, inspect front and aft portion of roof frame 222-031-503 from BL 0.0 to the right side attachment flange with the main beam 222-031-583 for cracks. Pay particular attention to the area in line with the inboard leg of star doubler. If a crack is found, contact Bell Helicopter Textron Customer Representative.
  • Page 124 0.8745 inch (22.20 to 22.21 mm). lnspect inner diameter of the two outboard collective lever idler link bushings on the transmission top case 222-040-061 for wear in excess of 0.8774 inch (22.28 mm). Take measurements at two points, 90° apart. If bushing(s) wear exceeds above limits, replace bushing(s) per TB 222-02-169.
  • Page 125 MECH OTHER OIL COOLER BLOWER Chapter 12 NOTE If TB 222-92-132 (Oil Cooler Blower Torlon Drive) has not been accomplished, the oil cooler blower drive splines shall be lubricated every 300 hours. Chapter 71 Inspect left engine oil cooler blower.

  • Page 127: Every 1200 Hours Of Component Operation

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-37. EVERY 1200 HOURS OF COMPONENT OPERATION INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________...

  • Page 129: Every 2500 Hours Of Component Operation

    TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ MAIN ROTOR HUB NOTE This inspection is applicable to all main rotor hub assemblies 222-011-101 and 222-012-101. Chapter 65 Remove main rotor hub and blades. Disassemble and clean main rotor hub. NOTE It is not necessary to remove the flapping bearings from the trunnion to accomplish this inspection.
  • Page 130 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-38. EVERY 2500 HOURS OF COMPONENT OPERATION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER BHT-ALL-SPM Perform magnetic particle inspection on the following parts: NOTE Some of the bolts used in these applications are manufactured from non-magnetic material. For those...

  • Page 131: Every 6 Months

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-39. EVERY 6 MONTHS INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ STANDBY ATTITUDE INDICATOR Chapter 95 Test the pilot standby attitude indicator power supply.
  • Page 133 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-40. EVERY 2 CALENDAR YEARS INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ PITOT STATIC SYSTEM...
  • Page 134 BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-40. EVERY 2 CALENDAR YEARS (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER • Walking beam to drive hub (2) • Walking beam to drive link (2) • Idler link to transmission top case (2) •...
  • Page 135 T H E V E R T I C A L F I N I N S TA L L AT I O N A R E A F F E C T E D A C C O M P L I S H M E N T TB 222-98-156. Chapter 53 Install vertical fin to tailboom using bolts, washers, and BHT-ALL-SPM nuts.

  • Page 137: Every 3 Calendar Years

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-41. EVERY 3 CALENDAR YEARS INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ HYDRAULIC SYSTEM RESERVOIR Chapter 29 Replace hydraulic system PC-1 reservoir baffle.

  • Page 139: Every 5 Calendar Years

    BHT-222/222B-MM-1 SCHEDULED INSPECTIONS 5-42. EVERY 5 CALENDAR YEARS INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ FIRE EXTINGUISHER RESERVOIR...

  • Page 141: Every 10 Calendar Years

    BHT-222-CR&O-2. The torquemeter shaft must be removed to inspect the inside diameter. The mast assembly must be returned to Bell Helicopter Textron for reindexing of the mast torque sensing components. R1 5-00-00 9 SEP 2011 Rev.

  • Page 143: Special Inspections

    BHT-222/222B-MM-1 SPECIAL INSPECTIONS 5-44. SPECIAL INSPECTIONS • Vertical Fin (after 5 to 10 hours of operation following each installation) Special inspections are a one-time inspection that must be performed at specified times following certain • Main Rotor Hub (after 5 to 10 hours of maintenance actions.

  • Page 145: After Every Main Rotor Hub Disassembly

    BHT-222/222B-MM-1 SPECIAL INSPECTIONS 5-45. AFTER EVERY MAIN ROTOR HUB DISASSEMBLY INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________...

  • Page 147: After First Flight Following Each Installation

    BHT-222/222B-MM-1 SPECIAL INSPECTIONS 5-46. AFTER FIRST FLIGHT FOLLOWING EACH INSTALLATION INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ MAIN ROTOR TRUNNION BHT-222-CR&O-2...

  • Page 149: After 1 To 5 Hours Of Operation Following Each Installation

    BHT-222/222B-MM-1 SPECIAL INSPECTIONS 5-47. AFTER 1 TO 5 HOURS OF OPERATION FOLLOWING EACH INSTALLATION INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________...

  • Page 151: After 5 To 10 Hours Of Operation Following Each Installation

    A F F E C T E D A C C O M P L I S H M E N T TB 222-98-156. Following each installation, make sure the torque of the retention bolts/nuts is correct after a minimum of 5 hours, but not to exceed 10 hours of service.
  • Page 152 BHT-222/222B-MM-1 SPECIAL INSPECTIONS 5-48. AFTER 5 TO 10 HOURS OF OPERATION FOLLOWING EACH INSTALLATION (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER MAIN ROTOR HUB BHT-222-CR&O-2 Following each installation, verify torque of main rotor grip(s) retaining bolt/nuts to 125 foot-pounds (169 Nm) after a minimum of 5 hours, but not to exceed 10 hours of service.

  • Page 153: After 25 Hours Of Operation Following Each Installation

    MAIN ROTOR TRUNNION BHT-222-CR&O-2 NOTE Retorque is not required if flapping springs 222-310-117-105 are installed. Verify torque of main rotor trunnion bolts in the tightening direction, minimum 45 foot-pounds (61 Nm). Provided 45 foot-pounds (61 Nm) is reached without movement of bolts, torque bolts to 53 foot-pounds (72 Nm).

  • Page 155: After 100 Hours Of Operation Following Each Installation

    BHT-222/222B-MM-1 SPECIAL INSPECTIONS 5-50. AFTER 100 HOURS OF OPERATION FOLLOWING EACH INSTALLATION INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________...

  • Page 157: Conditional Inspections

    BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-51. CONDITIONAL INSPECTIONS • Lightning Strike Conditional inspections are unscheduled inspections • Overspeed or checks that must be performed following the occurrence of unusual events reported during the • Compressor Stall or Surge operation of the helicopter. Such events include (but...

  • Page 159: Hard Landing

    BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-52. HARD LANDING INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ A hard landing is defined as any incident or accident in which...
  • Page 160 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-52. HARD LANDING (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Visually inspect underside of fuselage and tailboom for evidence of ground contact. If, under the conditions previously noted, the landing gear is judged to have been involved in a hard landing, place the helicopter on jacks and perform the following inspections: a.
  • Page 161 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-52. HARD LANDING (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER e. Remove air from shock strut. Leave air valve open and cycle shock struts by manually raising and lowering wheel from fully extended to fully compressed position. Check shock strut for binding.
  • Page 162 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-52. HARD LANDING (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER BHT-222-CR&O-2 NOTE If there is any yielding or deformation in areas contacted by main rotor hub, or any other obvious damage, mast unserviceable nonrepairable, and transmission top case must be inspected for yielding.
  • Page 163 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-52. HARD LANDING (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER (3) Measure the resulting gap between bottom of the flexure and the midpoint of the straight edge with a feeler gauge on both flexures. If the difference between the two measurements is unequal in excess of 0.003 inch (0.076 mm),...
  • Page 164 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-52. HARD LANDING (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER 12. Check all cowling, fairing, windows, and doors for proper fit and alignment. Misalignment may indicate a distorted fuselage, resulting in major stresses and damage to components.
  • Page 165 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-52. HARD LANDING (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER 19. Check for leaks in the hydraulic system, interference or binding of hydraulic actuators and controls, and for satisfactory operation. 20. lnspect fuel and oil systems for damage and leaks.

  • Page 167: Sudden Stoppage - Power On Or Off

    (1) Visually inspect both main rotor blades for evidence of damage such as cracks, bonding voids, and wrinkled skin. (2) Model 222 with 222-015-500 Series blades: Remove blade tip cap assembly and inspect tip cap assembly and inspect tip cap attaching screws for deformation. Any deformation of screws or elongation of mating holes in spar is cause for blade to be disposed of.
  • Page 168 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-53. SUDDEN STOPPAGE — POWER ON OR OFF (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER (3) If either blade is damaged, return both blades to an authorized overhaul facility. Make an entry in component record to show reason for removal was sudden stoppage.
  • Page 169 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-53. SUDDEN STOPPAGE — POWER ON OR OFF (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER BHT-222-CR&O-2 d. Main Driveshafts (1) Remove and inspect main driveshafts visually. If evidence of yielding or deformation is noted, scrap the appropriate driveshaft assembly and the engine driveshaft adapter and attaching bolts.
  • Page 170 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-53. SUDDEN STOPPAGE — POWER ON OR OFF (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER g. Tail Rotor Driveshaft System BHT-222-CR&O-3 (1) Visually inspect tail rotor driveshaft tubes for evidence of torsional deformation. (2) Remove gear coupling assembly at transmission tail rotor output quill.
  • Page 171 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-53. SUDDEN STOPPAGE — POWER ON OR OFF (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER (1) Visually inspect all tail rotor driveshafts hangers. If shaft has been damaged by main rotor strike or circumstances other than torsional overload, hangers to which damaged shaft was attached shall be considered unserviceable and scrapped.
  • Page 172 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-53. SUDDEN STOPPAGE — POWER ON OR OFF (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER NOTE If driveshaft(s) or hanger assemblies are scrapped as the result of step (a) or step (b), perform a thorough inspection of hanger support structure for cracks, loose, or missing rivets and elongated mount holes.
  • Page 173 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-53. SUDDEN STOPPAGE — POWER ON OR OFF (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER e. In all instances of step b and step c, perform the following inspections: (1) Tail rotor gearbox and vertical fin attachment fittings for cracks, sheared rivets, or damaged connecting bolts.

  • Page 175: Overtorque

    Model 222B — When main rotor overtorque has exceeded 105% but did not exceed 115%, perform the following: Model 222 — When main rotor overtorque has exceeded 110% but not more than 120%, perform the following: a. Conduct a thorough visual inspection of the assemblies that follow (installed on the helicopter) for any evidence of damage, deformation, yielding, etc.
  • Page 176 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-54. OVERTORQUE (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER NOTE Cadmium plating on outside diameter of mast is 0.0003 to 0.0004 inch (0.0076 to 0.0102 mm). When measuring mast outside diameter at six places for out-of-round, ensure that 0.0003 to 0.0004 inch...
  • Page 177 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-54. OVERTORQUE (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER (11) Drive assembly b. lnspect main transmission chip detectors and external oil filter for metal particles. (1) If chip detectors and external filter appear normal and there is no evidence of internal failure, operate the transmission for 5 hours, then check chip detectors and external filter.
  • Page 178 INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER When main rotor overtorque exceeds 120% for Model 222 (115% for Model 222B), perform the following: BHT-222-CR&O-2 a. Conduct a major overhaul on the following components. BHT-222-CR&O-3 Make an entry in component record to show reason for removal was overtorque.
  • Page 179 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-54. OVERTORQUE (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER (e) If the skin on any blade is wrinkled or deformed, scrap all blades. If the tip block shows evidence of movement or is loose, scrap the blade.

  • Page 181: Overtorque - One Engine Inoperative

    REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ Model 222 — When a One Engine Inoperative (OEI) operation occurs in which engine torque has exceeded 87%, but did not exceed 103%, perform the following: Model 222B — When a One Engine Inoperative (OEI) operation occurs in which engine torque has exceeded 86.4%, but did not...
  • Page 182 Model 222B), but do not exceed 103% engine torque are permissible within the rated life of the collector gears 222-040-109-003 and -103 and -105 in Models 222 and 222B respectively. After a third OEI occurrence, the collector gear must be removed from service and scrapped.

  • Page 183: Lightning Strike

    BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-56. LIGHTNING STRIKE INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ When the helicopter has had a lightning strike, the following...
  • Page 184 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-56. LIGHTNING STRIKE (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER c. Remove transmission and mast assembly for overhaul making note of lightning strike as reason for removal. d. Remove tail rotor hub for overhaul. State lightning strike as reason for removal.
  • Page 185 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-56. LIGHTNING STRIKE (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER (1) If indications of arcing, burning, or roughness of the bearing are present, remove transmission and mast assembly and return for overhaul. State lightning strike as reason for removal.

  • Page 187: Overspeed

    BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-57. OVERSPEED INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ Honeywell Rotor overspeed is defined as any incident in which 109% main 101-650C/750C rotor speed is exceeded.
  • Page 188 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-57. OVERSPEED (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER (3) If any movement of the tip or root end balance weights has occurred, scrap the blade. (4) If the retention bushings show evidence of looseness, scrap the blade.
  • Page 189 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-57. OVERSPEED (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER f. Drive assembly g. Tail rotor driveshafts h. Tail rotor driveshaft hanger assemblies i. Tail rotor gearbox j. Tail rotor hub and blades k. Tail rotor controls 5-00-00 9 SEP 2011 Rev.

  • Page 191: Compressor Stall Or Surge

    BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-58. COMPRESSOR STALL OR SURGE INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER DATE: __________________W.O. _____________________ FACILITY: _________________ _ ________________________ HELICOPTER S/N: __________ _ ________________________ REGISTRY NO.: ____________ _ ________________________ TOTAL TIME:_______________________________________ SIGNATURE:_______________ _ ________________________ Engine compressor stall or surge is characterized by a sharp...
  • Page 192 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-58. COMPRESSOR STALL OR SURGE (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Honeywell (2) If erosion or foreign object damage appears to 101-650C/750C exceed acceptable limits, perform a teardown inspection. Series Operation and Maintenance Manual, LTS 101-2.2...
  • Page 193 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-58. COMPRESSOR STALL OR SURGE (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Chapter 66 (2) Remove tail rotor gearbox port plug. Inspect gear teeth of pinions and gears using a high-intensity light source. If there is no evidence of scuffing, scoring, or other mechanical damage that would render gearbox unserviceable, reinstall plug and cover and torque gearbox attachment hardware.
  • Page 194 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-58. COMPRESSOR STALL OR SURGE (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Rotating Controls a. Perform a close visual inspection of all rotating controls and replace as necessary. Tail Rotor Hub and Blades a. Perform a close visual inspection of the tail rotor hub and blades.
  • Page 195 BHT-222/222B-MM-1 CONDITIONAL INSPECTIONS 5-58. COMPRESSOR STALL OR SURGE (CONT) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER Airframe a. Check tail rotor gearbox and vertical fin attachment fittings for loose or sheared rivets and cracks. If inspection shows negative indications of damage, return helicopter to flight status.

  • Page 197: Component Overhaul Schedule

    BHT-222/222B-MM-1 COMPONENT OVERHAUL SCHEDULE 5-59. COMPONENT OVERHAUL SCHEDULE CAUTION The Component Overhaul Schedule (Table 5-2) provides the time interval between overhaul for each applicable helicopter component. OVERHAUL SCHEDULE FOR SOME KIT COMPONENTS AND/OR PARTS IS NOT COVERED IN THIS SCHEDULE. REFER...
  • Page 198 (BHT-222-CR&O-3). A 600-hour interval inspection may be required. Refer to Every 600 Hours of Component Operation. Transmission assembly may be modified to the equivalent of transmission 222-040-003-111. Refer to TB 222-84-66, Rev. A and TB 222-00-163. Servicing with 555 lubricating oil, Specification DOD-PRF-85734 is required. Early delivered Model 222 helicopters serviced with oil other than 555 are permitted to utilize the increased time between overhaul without a complete overhaul provided conversion to 555 oil occurred within 600 hours of new.

This manual is also suitable for:

222b

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