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Jabiru j250 User Manual

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TECHNICAL MANUAL
FOR
JABIRU AIRCRAFT MODELS:
J120 Variants
J160 Variants
J170 Variants
J200/J400 Variants
J230/J430 Variants
J250/J450 Variants
DOCUMENT No. JTM001-5
DATED: 29
th
October 2014
This Manual has been prepared as a guide to correctly maintain Jabiru Aircraft Models.
It is the owner's responsibility to regularly check the Jabiru web site at www.jabiru.net.au for
applicable Service Bulletins and have them implemented as soon as possible. Manuals are also
updated periodically with the latest revisions available from the web site. Failure to maintain the
engine or aircraft with current service information may render the aircraft un-airworthy and void
Jabiru’s Limited, Express Warranty.
This document is controlled while it remains on the Jabiru server. Once this no longer applies
the document becomes uncontrolled.
Should you have any questions or doubts about the contents of this manual, please contact
Jabiru Aircraft Pty Ltd.

Table of Contents

Questions and Answers:

Jabiru j250 Specifications

General IconGeneral
BrandJabiru
Modelj250
CategoryToy
LanguageEnglish

Summary

SECTION 2 – GENERAL INFORMATION

2.1 FOREWORD / APPLICABILITY

This manual contains Jabiru recommended procedures and instructions for ground handling, servicing and maintaining.

2.8 OWNER MAINTENANCE

Details owner maintenance responsibilities for factory-built and kit-built models.

2.18 TORQUE VALUES (IN FIBREGLASS)

Provides recommended bolt torque values for clean, dry threads in fibreglass.

3 MAINTAINER REQUIREMENTS

4 CLEANING, GROUND HANDLING & STORAGE

4.2 GROUND HANDLING

Details procedures for towing, jacking the aircraft, and parking precautions.

5 INSPECTION & SERVICING

5.3 MANDATORY INSPECTIONS & LIFED ITEMS

Details mandatory airframe, control cable, and engine bay hose replacement requirements.

5.4 INSPECTION CHART

Presents a chart detailing inspection intervals for various aircraft components.

5.7 ENGINE PRE-INSPECTION RUN-UP

Details the procedure for engine run-up before step-by-step inspection.

5.8 PROPELLER 100-HOURLY

Outlines the procedure for a 100-hourly propeller inspection, including spinner and tracking checks.

5.9 ENGINE COMPARTMENT 100-HOURLY

Provides guidance for a 100-hourly inspection of the engine compartment.

5.10 FUEL SYSTEM 100-HOURLY

Details the 100-hourly inspection for the fuel system, including tanks, lines, and filters.

5.11 LANDING GEAR 100-HOURLY

Outlines the 100-hourly inspection procedure for the landing gear and brakes.

5.12 AIRFRAME 100-HOURLY

Details the 100-hourly inspection for the airframe, covering exterior, structure, and systems.

5.13 CONTROL SYSTEMS 100-HOURLY

Covers the 100-hourly inspection of control systems, including cables, linkages, and surfaces.

5.16 SPECIAL INSPECTIONS – WEIGHING

Details the procedure for weighing the aircraft, including scale locations and measurements.

5.17 SPECIAL INSPECTIONS – CONTROL CABLES

Describes inspections for primary control cables, including free play and friction measurements.

5.18 SPECIAL INSPECTIONS – CONTROL SURFACES

Details inspections to address potential control surface jamming, including overlap and clearance checks.

5.19 SPECIAL INSPECTIONS – MAIN WHEEL ALIGNMENT

Outlines the process for checking and adjusting main wheel alignment.

5.22 SPECIAL INSPECTIONS – WING & STRUT BUSH SERVICE

Details how to correct free-play in wing or strut attachment points by replacing bolts or bushes.

6 STRUCTURES

6C LANDING GEAR & BRAKES

Provides general descriptions and procedures for landing gear and brake systems.

6D AILERON CONTROL SYSTEM

Details the aileron control system, including its arrangement and components.

6E WING FLAP CONTROL SYSTEM

Describes the flap control system, including electric and manual flap drive assemblies.

6F ELEVATOR CONTROL SYSTEM

Details the elevator control system, including its components and operation.

6G RUDDER CONTROL SYSTEM

Covers the rudder pedal system, nose wheel steering, and rudder centring mechanisms.

7 ENGINE & ENGINE INSTALLATION

7.5 ENGINE MOUNT

Details the engine mount, its purpose, removal, inspection, and installation procedures.

7.7 ENGINE THROTTLE CONTROL

Describes the cable-actuated throttle system and procedures for its removal and installation.

7.9 AIR INTAKE SYSTEM & CARBURETTOR HEAT

Describes the engine air intake system, mixer assembly, and carburettor heat activation.

8 FUEL SYSTEM

8.2 FUEL LINES

Covers removal, inspection, and installation of flexible fuel lines.

9 PROPELLER SERVICE MANUAL

9.2 APPROVED INSTALLATIONS

Lists approved combinations of airframe, engine, and propeller types.

9.5 INSTALLATION

Provides procedures for propeller installation, including bolt torque and tracking checks.

9.7 TO ASSEMBLE AND REPLACE PROPELLER ASSEMBLY

Provides a step-by-step guide for assembling and replacing the propeller assembly.

9.8 SERVICING AND REPAIRS

Covers propeller servicing and repairs, focusing on filling small nicks and checking balance.

11 INSTRUMENTS & INSTRUMENT SYSTEMS

11.5 PITOT & STATIC SYSTEMS

Describes pitot and static systems, including water traps and maintenance importance.

12 ELECTRICAL SYSTEMS

12.1 ELECTRICAL POWER SUPPLY SYSTEM

Describes the 12V DC electrical system, battery, and alternator.

15 PAINTING & FINISHING

21 APPENDIX A – WORKSHEETS

21.1.4 Landing Gear (refer to section 5.11)

Worksheet for landing gear inspections: wheels, struts, bearings, brakes, tyres, rod ends.

21.1.5 Airframe (refer to section 5.12)

Worksheet for airframe inspections: exterior, structure, windows, seatbelts, instruments, ventilation.

21.1.6 Control Systems (refer to section 5.13)

Worksheet for control system inspections: controls, clamps, rod ends, trim, travel stops, decals, flaps, elevator, rudder.

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