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BELL HELICOPTER 214ST User Manual

BELL HELICOPTER 214ST
152 pages
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BHT-214ST-MM
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.
Export Classification C, ECCN EAR99
REISSUE — 26 MAY 1995
REVISION 14 — 02 OCTOBER 2018
COPYRIGHT NOTICE
COPYRIGHT
201
BELL
®
HELICOPTER TEXTRON INC.
AND BELL HELICOPTER TEXTRON
CANADA LTD.
ALL RIGHTS RESERVED
MAINTENANCE MANUAL
VOLUME 1
GENERAL INFORMATION
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BELL HELICOPTER 214ST Specifications

General IconGeneral
BrandBELL HELICOPTER
Model214ST
CategoryToy
LanguageEnglish

Summary

MAINTENANCE MANUAL VOLUME 1 GENERAL INFORMATION

NOTICE

General instructions and adherence to bulletins and directives.

WARNING

Manual applies only to approved procedures and parts.

CUSTOMER SUPPORT AND SERVICES

Provides contact details for product support engineering.

SPARE PARTS WARRANTY

Details the warranty terms for helicopter parts.

CHAPTER 4 — AIRWORTHINESS LIMITATIONS SCHEDULE

AIRWORTHINESS LIMITATIONS SCHEDULE

Specifies maintenance required under FAA regulations.

REVISION LOG

Records revisions, dates of signature, and FAA/ODA signatures.

Table 4-1. Airworthiness Limitations Schedule

Lists airworthiness limitations for main rotor hub and blade assembly.

CHAPTER 5 — INSPECTIONS

INSPECTIONS OVERVIEW

Covers general inspection info, types, crash damage, definitions, and tolerances.

SCHEDULED INSPECTIONS

Details scheduled inspections including A, B, C, D, E types.

SPECIAL INSPECTIONS

Lists various special inspections based on hours or days.

CONDITIONAL INSPECTIONS

Lists inspections triggered by specific events like hard landing or overspeed.

5-9. A — INSPECTION (25 HOURS/7 DAYS)

GENERAL AND PRELIMINARY REQUIREMENTS

Covers general requirements and preliminary steps for A-Inspection.

A-Inspection Tasks (Forward Fuselage)

Tasks for inspecting the forward fuselage during A-Inspection.

A-Inspection Tasks (Landing Gear, Pylon)

Tasks for inspecting landing gear and pylon during A-Inspection.

5-10. B — INSPECTION (250 HOURS)

GENERAL AND PRELIMINARY REQUIREMENTS

Covers general requirements and preliminary steps for B-Inspection.

B-Inspection Tasks (Forward Fuselage)

Tasks for inspecting the forward fuselage during B-Inspection.

B-Inspection Tasks (Pylon, Landing Gear)

Tasks for inspecting pylon and landing gear during B-Inspection.

5-11. C — INSPECTION (500 HOURS)

GENERAL AND PRELIMINARY REQUIREMENTS

Covers general requirements and preliminary steps for C-Inspection.

C-Inspection Tasks (Forward Fuselage)

Tasks for inspecting the forward fuselage during C-Inspection.

C-Inspection Tasks (Landing Gear, Pylon)

Tasks for inspecting landing gear and pylon during C-Inspection.

5-12. D — INSPECTION (1000 HOURS/1 YEAR)

GENERAL AND PRELIMINARY REQUIREMENTS

Covers general requirements and preliminary steps for D-Inspection.

D-Inspection Tasks (Forward Fuselage)

Tasks for inspecting the forward fuselage during D-Inspection.

D-Inspection Tasks (Landing Gear, Power Plant)

Tasks for inspecting landing gear and power plant during D-Inspection.

5-13. E — INSPECTION (5000 HOURS/5 YEARS)

GENERAL AND PRELIMINARY REQUIREMENTS

Covers general requirements and preliminary steps for E-Inspection.

E-Inspection Tasks (Main Fuselage)

Tasks for inspecting the main fuselage during E-Inspection.

E-Inspection Tasks (Tailboom)

Tasks for inspecting the tailboom during E-Inspection.

5-14. SPECIAL INSPECTIONS

DAILY INSPECTION

Performs daily inspection of tail rotor blades for skin cracks.

250 HOURS OR 6 MONTHS INSPECTION

Inspects and lubricates tail rotor driveshaft bearings and hangers.

500 HOURS OR 12 MONTHS INSPECTION

Disassembly and inspection of transmission tail rotor output coupling.

5-27. EACH 1000 HOURS FLIGHT OPERATION

DUAL HYDRAULIC ACTUATOR

Replaces piston rod seals and piston head seals.

5-35. CONDITIONAL INSPECTIONS

HARD LANDING INSPECTION

Inspection after a hard landing.

SUDDEN STOPPAGE INSPECTION

Inspection after a sudden stoppage.

OVERTORQUE INSPECTION

Inspection after an overtorque incident.

5-36. AFTER HARD LANDING

TAIL ROTOR FLAPPING STOP

Inspects tail rotor flapping stop for excessive yoke bending.

MAIN AND TAIL ROTOR BLADES INSPECTION

Inspects main and tail rotor blades for strike damage.

WHEEL LANDING GEAR INSPECTION

Inspects wheel landing gear components for damage.

5-37. AFTER SUDDEN STOPPAGE

SUDDEN STOPPAGE — POWER ON OR OFF

Defines sudden stoppage and inspection procedures.

5-37. AFTER SUDDEN STOPPAGE (CONT)

MAIN ROTOR BLADES INSPECTION

Inspects main rotor blades for damage after sudden stoppage.

MAIN ROTOR HUB ASSEMBLY INSPECTION

Inspects main rotor hub assembly after sudden stoppage.

TRANSMISSION MAST ASSEMBLY AND NODAL BEAM ASSEMBLY

Inspects transmission mast and nodal beam assemblies after sudden stoppage.

5-38. AFTER OVERSPEED

AFTER OVERSPEED DEFINITION

Defines rotor overspeed and inspection requirements.

MAIN ROTOR OVERSPPED EXCEEDING 110%

Inspection and component replacement for overspeed exceeding 110%.

5-38. AFTER OVERSPEED (CONT)

MAIN ROTOR OVERSPPED EXCEEDING 117%

Inspection and component replacement for overspeed exceeding 117%.

MAIN ROTOR BLADES INSPECTION

Inspects main rotor blades for damage after overspeed.

5-39. AFTER COMPRESSOR STALL OR SURGE

AFTER COMPRESSOR STALL OR SURGE

Defines compressor stall/surge and inspection procedures.

5-39. AFTER COMPRESSOR STALL OR SURGE (CONT)

POWER PLANT INSPECTION

Inspection procedures for the power plant after stall/surge.

POWER TRAIN INSPECTION

Inspection procedures for the power train after stall/surge.

5-40. AFTER OVERTORQUE

AFTER OVERTORQUE DEFINITION

Defines overtorque and inspection requirements.

TORQUE EXCEEDS 105% INSPECTION

Inspection procedures when torque exceeds 105%.

5-41. AFTER LIGHTNING STRIKE

AFTER LIGHTNING STRIKE DEFINITION

Defines lightning strike damage and inspection instructions.

MAIN ROTOR BLADES INSPECTION

Inspects main rotor blades for lightning strike damage.

MAIN ROTOR HUB ASSEMBLY INSPECTION

Inspects main rotor hub assembly for arcing or burning.

5-42. COMPONENT OVERHAUL SCHEDULE

WARNINGS AND NOTES (Overhaul Schedule)

Warnings and notes regarding overhaul schedules and warranties.

Table 5-1. Component Overhaul Schedule

Lists overhaul intervals for various components.

UTILITY AND DC GENERATOR

Overhaul intervals for utility and DC generator components.

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