Propeller Balancing Procedure; Utility Systems - Jabiru j160 Technical Manual

Aircraft Technical Manual
JTM001-5
either Rejected as unserviceable or returned to JABIRU Aircraft Pty Ltd or our local approved agent
for assessment and possible repair.

In composite leading edges, nicks of a size described above may be repaired by filling with 5-minute
Araldite and Fibreflock using the procedure outlined below (Propeller Repair Kit is available from
JABIRU as Part No. PP0049N):
1. Remove Propeller as per above
2. Sand nick with abrasive paper to remove any fractured particles.
3. Mix 5-minute Araldite carefully and thoroughly (equal parts resin and hardener) and thicken with
Fibreflock to form a paste.
4. Apply paste to sanded nick and allow to cure in low moisture environment for 24 hours.
5. Lightly and carefully sand excess cured resin to a smooth surface matching exactly the previous
aerofoil.
6. Refurbish with clear Epoxy paint (JABIRU Part No. PP0069N).
7. Rebalance Propeller (see below)
8. Reassemble and replace Propeller and Spinner (see above).
9. Check Propeller tracking and Spinner balance (see above).
10. Damaged urethane leading edges should be referred to Jabiru Aircraft Pty Ltd for repair.
9.9 Propeller Balancing Procedure (all J-Series)
Required Tools:
Parts and Material:
Type of Maintenance:
Level of Certification:
Return to Service:

Propeller balance should be checked by locating a 16mm tube to firmly fit the centre mounting hole
of the Propeller and balancing on "knife edges".

Tolerances:
- Imbalance shall not exceed the following limit whatever the position of the Propeller in the plane
of rotation: 750 mm-gms (approximately 1 gm at the tip).

The balance may only be corrected by the application of epoxy paint. Any other method of securing
balance is PROHIBITED.

Propellers outside these limits should be rejected as unserviceable or returned to JABIRU for
assessment and possible repair.
10

Utility Systems

The only 'Utility System' Features on Jabiru aircraft is a cabin heater. A description of this system, and
instructions for the maintenance and repairs of this system is provided in Section 7.11
This document is controlled while it remains on the Jabiru server. Once this no longer applies the document becomes uncontrolled.
ISSUE 1 2 3
Jabiru Aircraft
J120, J160, J170, J200/J400, J230/J430, J250/J450 Variants
16mm tube
Clear Epoxy Paint
Line Maintenance
L2 or LAME (A&P or LSA Repairman / Maintenance)
L2 or LAME (A&P or LSA Repairman / Maintenance)
4 5 Dated: 29th October 2014
Pty Ltd
Issued By: AS Page: 242 of 298