Hi Qwerty, this is what my instruction and maintenance manual says
After the initial 25 hours, check in accordance with para. 5.3.
After 50 hours of operation, check in accordance with para. 5.4 & thereafter after each 50
hours of operation.
After 100 hours of operation, check in accordance with para. 5.5 and thereafter after each
100 hours of operation.
At TBO, overhaul in accordance with para. 5.6.
5.3 Check After Initial 25 Hours
Details of specific operations are shown in Chapter 6 "Maintenance".
* Remove engine cowlings, check engine mounts.
* Thoroughly check engine for missing or loose bolts, nuts, pins, etc., & for abrasions.
* Check induction and exhaust flange for loose bolts.
* Check safety wires, cooling air ducts & baffles, ignition wiring & hose connections.
* Oil Change 3.5 litres (normal aviation oil)
* Change oil filter. (First 25 hours only)
* Inspect old filter.
* Retorque cylinder head bolts (24 ft lbs) in diagonal pattern
* Check tappet clearance and adjust as necessary (refer Para 6.8).
(0.010" cold inlet and exhaust)
* Check exhaust system. Check exhaust cap screw tensions and gasket condition.
* Check fuel system for leaks & abrasion.
* Check wiring for damage & for tightness.
* Engine test run.
Observe starting, warm up & acceleration behaviour to maximum RPM (10
seconds max)
Check temperatures & pressures.
Engine stop.
5.4 50 Hours Check
Details of specific operations are shown in Chapter 6 "Maintenance".
* Conduct the items shown under 25 Hour Check at para. 5.3.
5.5 100 Hours Check
Details of specific operations are shown in Chapter 6 "Maintenance".
* Conduct the items shown under 25 Hour Check at para. 5.3.
* Renew spark plugs, if necessary.
5.6 TBO
Details of specific operations are shown in Chapter 6 "Maintenance".
* Engine Overhaul, in accordance with Service Bulletins
* Conduct the items shown under 25 Hour Check at para. 5.3.
* Check clearance on throttle valve shaft. If radial clearance exceeds 0.5mm (0.020"),
repair carburettor.
The overhaul work must be carried out to Jabiru specifications at an approved aeronautical
service facility or by an approved Jabiru Service Centre.
If necessary, changes to the TBO Limit due to operational experience, will be announced.
6.1 Lubrication System
Oil Change, Oil Filter Change, Visual Check for Leaks.
* Drain the oil while engine is still warm.
* Change the oil filter at 100 hour inspection.
* Fill with oil. Capacity is 3.5 litres (3.69 US Quarts), check oil level with dipstick
screwed right in before removing to check.
* Check oil level. The MAX mark must not be exceeded.
* Use only registered brand oils meeting the specification detailed in Para. 2.5.
This is for a solid lifter engine. The manual that came with my J400 kit.
Rory