AQ 002 Rev.00 Issued/Verify/Approval M. Garofolo 13/july/02
Identification: MM 002 Rev 01
Page: 14 of 26
Date: 20/april/2005
Issued: M. Fiorindo
Verify: R.Ciotti
Approval: R. Ciotti
Revisions description:
Updated manual
Storch CL, HS, S
Maintenance Manual
(for Rotax 912 UL/S, 914 UL and
Jabiru 2200 version)
1.9 150-HOURS INSPECTION
WARNING
DUE TO THEIR COMPLEXITY, QUALIFIED PERSONNEL SHOULD ACCOMPLISH
THE FOLLOWING OPERATIONS ONLY.
FOR DETAILED INSTRUCTIONS AND TECHNICAL DATA APPLICABLE
TO ENGINE,
MAINTENANCE REFERS TO OPERATQR’S MANUAL LAST ISSUE.
(1)
Ensure that the ignition key is REMOVED.
(2)
Ref. ROTAX Spare parts List, Fig. 15 (-For 503 engine) and Fig. 14 (for 582 engine): remove from
the carburettor the jet needle (4) and needle jet (15)-, carefully examine these items for damage and
ovalization. Replace if necessary.
(3)
Remove the cylinder heads and cylinders assemblies than proceed as follows:
- Examine the barrel and cylinder heads -f or condition and carbon deposits. Decarbonise as necessary.
- Examine the piston ring grooves for condition.
- Check piston and barrel diameters verifying the clearance between each piston and associated barrel,
which should result 0.07 - 0.08 mm (0.0028 - 0.0032 in).
- Check the axial play of lower piston ring (with rectangular section).
- Examine inside the bor scorings.
- Examine the crankshaft for damage, corrosion, wear and abnormal noise.
(4)
On the reassembling replace the following items:
- cylinder gaskets;
- cylinder head gaskets / rings;
- crankshaft outer seals;
- exhaust manifold gaskets;
- piston pins and needle bearings.
(5)
Accomplishing the engine reassembly it is recommended to strictly observe the torque
loads required which are in the Operator's Manual and in the "Description" of Spare Parts
List - last issues.
(6)
General airframe overhaul.
