DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE: 
CHAPTERPAGE 014
MAINTENANCE MANUAL STEMME S12
3.7.21.1 Description. ...............................................................................................3-56
3.7.21.2 Parts Specication. .....................................................................................3-56
3.8 COM and NAV Equipment. ............................................................................ 3-57
3.9 Oxygen System. ..........................................................................................3-59
3.10 Wing Folding Device. ................................................................................... 3-61
4. Airworthiness Limitations Section. .................................................................. 4-1
4.1 General. ......................................................................................................4-2
4.2 Maintenance Limitations. ..............................................................................4-2
4.2.1 Paint Finish. .................................................................................................4-2
4.3 Component Replacement and Overhaul Limitations. ..........................................4-3
4.4 Structural Limitations. .................................................................................. 4-5
5. Time Limits / Maintenance Checks. .................................................................. 5-1
5.1 Overhaul and Replacement Schedule. ..............................................................5-2
5.2 Pre-Flight Inspections. ...................................................................................5-7
5.2.1 Rubber Hose and Clamp Integrity. ...................................................................5-7
5.3 Periodic Inspections. ...................................................................................... 5-7
5.3.1 Inspection Intervals. ..................................................................................... 5-8
5.3.2 General Remarks on Periodic Inspections. ....................................................... 5-10
5.3.3 Unscheduled Maintenance. ...........................................................................5-11
5.3.4 Special Conditions and Cautionary Notice. ..................................................... 5-12
5.3.5 General Remarks on Maintenance. ................................................................ 5-12
5.3.6 Inspection Groups and Maintenance Criteria. .................................................. 5-14
5.3.7 Other Particulars of Maintenance. ................................................................. 5-17
5.4 Check List for Periodic Inspections. ................................................................ 5-19
5.4.1 General. .................................................................................................... 5-19
5.4.2 Wings and Fuel System Components in the Wing Center Section. .......................5-20
5.4.3 Forward Fuselage. ....................................................................................... 5-21
5.4.4 Cockpit. .................................................................................................... 5-22
5.4.5 Center Fuselage (except for fairings). ............................................................ 5-23
5.4.6 Tail Boom. .................................................................................................. 5-24
5.4.7 Empennage. ............................................................................................... 5-24
5.4.8 Fuel System Components in the Fuselage. ....................................................... 5-25
5.4.9 Engine and Engine Mountings. ...................................................................... 5-26
5.4.10 Lubrication System. ..................................................................................... 5-28
5.4.11 Cooling System (Liquid Cooling, Ram Air Cooling). ........................................... 5-29
5.4.12 Air Induction System. ...................................................................................5-29
5.4.13 Engine Controls & Monitoring. .......................................................................5-29
5.4.14 Center Fuselage Fairing, Engine Cowlings and Firewall. .....................................5-30
5.4.15 Propeller. ................................................................................................... 5-31
5.4.16 Drive Shaft with Propeller Reduction Gear. ...................................................... 5-32
5.4.17 Main Landing Gear. ..................................................................................... 5-33
5.4.18 Tail Wheel. ................................................................................................. 5-34
5.4.19 Flight Instrumentation and Pitot / Static Systems. ............................................5-34