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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 This aircraft may only be maintained in accordance with the instructions given in this manual. CONTACT STEMME AG Flugplatzstrasse F2, Nr. 6-7 D-15344 Strausberg Phone: +49.3341.3612-0 E-mail: info@stemme.de Web: www.stemme.com All rights reserved.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 RECORD OF AMENDMENTS Any revision of the present manual must be recorded in the following table, with the exception of: • Installation status of optional equipment, for optional equipment refer to section »9«, •...
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 LIST OF EFFECTIVE PAGES his list is only valid for the serial no. specifi ed on title page. The list contains all amendments of the maintenance manual, eff ective until fi nal approval of this serial no. amendments added later must be recorded.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 PAGE APPROVED AM. NO. DATE PAGE APPROVED AM. NO. DATE 3-30 OCT 10, 2018 3-31 DEC 20, 2016 CHAPTER 5 3-32 DEC 20, 2016 DEC 20, 2016 3-33 DEC 20, 2016 DEC 20, 2016...
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 PAGE APPROVED AM. NO. DATE PAGE APPROVED AM. NO. DATE 5-38 DEC 20, 2016 7-17 DEC 20, 2016 5-39 DEC 20, 2016 7-18 DEC 20, 2016 5-40 DEC 20, 2016 7-19 DEC 20, 2016...
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 PAGE APPROVED AM. NO. DATE PAGE APPROVED AM. NO. DATE CHAPTER 8 DEC 20, 2016 AUG 28, 2017 DEC 20, 2016 DEC 20, 2016 OCT 10, 2018 DEC 20, 2016 DEC 20, 2016...
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 PAGE APPROVED AM. NO. DATE PAGE APPROVED AM. NO. DATE F-18 OCT 10, 2018 F-19 OCT 10, 2018 F-20 OCT 10, 2018 F-21 OCT 10, 2018 F-22 OCT 10, 2018 F-23 OCT 10, 2018...
AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 7.5.2 Tail Wheel....................7-46 Flight Control Instruments and Pitot and Static Pressure System......7-47 7.6.1 Calibration of Stall Warning System (Optional)..........7-48 7.6.2 Maintenance on the Static Pressure System............ 7-48 Electrical System.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 7. S12 Main System - Electrical Trim................F-27 8. S12 Main System - Autopilot..................F-29 9. S12 Main System - Fire Warning.................F-31 10. S12 Main System - Lighting..................F-33 11.
GENERAL REMARKS ON MAINTENANCE The legal owner or operator of the STEMME S12 is obliged to ensure that the maintenance of the aircraft follows the instructions of this manual in accordance with applicable national laws and regulations. Among others, these include: •...
The ROTAX 914 F2/S1 is modifi ed by STEMME and based on the type ROTAX 914 F2. The modifi cation was completed as a co-operation with ROTAX and with approval by ROTAX.
AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.4.4 AIR INDUCTION SYSTEM SYSTEM DESCRIPTION Refer to the »Maintenance Manual (Heavy maintenance) for ROTAX Engine Types ROTAX 912 and 914 Series«, section 73. The engine induction air is routed from the RH inlet cowl fl ap via a duct, an air fi lter, and a short fl exible tube to the turbocharger unit.
AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.4.7 ENGINE CONTROLS AND INSTRUMENTATION REFER ALSO SECTION »3.2.2« The throttle and choke are operated by bowden cables, linking the carburetors with the cockpit levers, which have adjustable friction control. The throttle and choke lever are installed in the center console between the pilots.
AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.4.9 ENGINE COWLINGS COWL FLAPS: REFER TO SECTION »3.4.3« The engine cowling consists of three, (LH, RH and lower) parts. The cowlings are self-supporting and connected to the fuselage structure forward and aft by means of camlocks.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.4.14.2 COOLANT FLUID Mixture of 50% concentrated antifreeze agent with anti-corrosion additives and 50% water. Freezing point of this mixture is about -38°C / -34°F. »BASF Glysantin Antikorrosion« has proved to be good; this or equivalent coolant may be used.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.7.2 DC GENERATION (ATA 24-30-00) 3.7.2.1 MAIN SYSTEM DC POWER GENERATION The DC power for the main system is generated by the belt-driven alternator of the engine and stored in a LiFePO4 battery.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.7.2.2 ENGINE SYSTEM DC POWER GENERATION The DC power for the engine system is generated by the crankshaft-mounted generator of the engine and stored in a LiFePO4 battery. The battery is used to crank the engine to start.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.7.2.3 OVER VOLTAGE PROTECTION The outputs of the belt driven alternator and of the internal generator are monitored by a dedicated over-voltage device OVP. The device senses the voltage of the related system and disconnects the related alternator resp.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.7.6.4 FUSE AND CB SPECIFICATIONS: MAIN SYSTEM Circuit Location of Fuse/CB Fuse /CB STEMME p/n Qualifi cation Rating (A) Main System Master Main System Box 832247 ISO 8820-5 Fuse External Alternator Main System Box...
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.7.6.5 FUSE SPECIFICATIONS: ENGINE SYSTEM Circuit Location of Fuse/CB Rating (A) STEMME p/n Qualifi cation Starter 831491 External Power Supply Engine System Box 831491 ISO 8820-5 System Master Fuse 831247 Engine Bus Supply...
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.7.7.1 MANUAL SWITCHES Manual switches are located on the instrument panel and easy to reach by the crew. The position of a toggle or rotary switch is indicated by the position of the operating lever or knob. The use of...
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.7.13 ENGINE IGNITION SYSTEM (ATA 74-00-00) 3.7.13.1 DESCRIPTION The ROTAX 914 engine is equipped with a dual ignition. The ignition system works independently from the aircraft’s electrical system and energy sources. The ignition system is part of the engine.
AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.7.14 ENGINE RPM INDICATING SYSTEM (ATA 77-14-00) 3.7.14.1 DESCRIPTION The RPM signal is delivered by a pick-up coil at the rotating magnets of the internal generator to the tachometer input of the Turbocharger Control Unit (TCU). The TCU provides an output to which the electrical tachometer on the instrument panel is connected.
AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.7.16 OIL PRESSURE INDICATING SYSTEM (ATA 79-31-00) 3.7.16.1 DESCRIPTION The oil pressure indicating system measures the pressure at the output of the mechanical oil pump of the ROTAX 914 engine. A transducer generates a voltage of 0…5 V proportional to the pressure.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.7.17.3 OPERATION The oil temperature indication system does not require operation actions by the pilot. Scale markings of operational limits and instructions to the pilot about corrective actions in the case of exceeded limits are defi ned in the AFM.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.7.18.4 TRANSFER PUMP CONTROL AND TANK SELECTION The transfer pumps are powered by the engine electrical system. They transfer pumps are con- trolled by a fl oat switch in the feeder tank and by a pump selector switch. At feeder tank fuel levels below 90% the transfer pump control is active.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.7.20 FUEL PRESSURE INDICATING (ATA 73-32-00) 3.7.20.1 DESCRIPTION The ROTAX 914 engine requires the measurement of fuel pressure in relation to the “upper deck” air pressure of the turbocharger system. Therefore a diff erential pressure sender is installed which generates a voltage output of 0 V …...
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 COM AND NAV EQUIPMENT COM and NAV equipment is installed in the instrument panel. The speaker is installed on the rear wall of the cockpit above the LH baggage compartment. The gooseneck microphone is fastened between the backrests at the center console. When using headsets it can be deselected.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 3.10 WING FOLDING DEVICE The Stemme S12 can be equipped optionally with a wing folding device. NOTICE A description of the function and its operation can be found in the associated supplement to the S12 Aircraft Flight Manual.
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AIRWORTHINESS LIMITATIONS SECTION These revisions to chapter »4 Airworthiness Limitations«, up to and including this revision, is FAA approved. The current revision applies to all U.S.-registered STEMME S12 aircraft. NOTICE Violation of time limits as defi ned in chapter »4« may impair proper function of the aircraft and/ or aircraft systems.
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Compliance with the specifi ed times and intervals is mandatory for maintaining continuing airworthiness of the aircraft. For airworthiness limitations of other parts installed in the aircraft not designed by STEMME or with separate TC refer to chapter »5« and respective manufacturer documentation as amended from time to time.
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The IPC chapters mentioned below refer to the Illustrated Parts Catalog (IPC) for Type S10, Variant S12 Doc.-No. L530-912830 or latest revision. MAXIMUM ALLOWABLE OPERATING TIMES...
AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 5.4.23 OPTIONAL EQUIPMENT WING FOLDING DEVICE The wing folding device itself is maintenance-free. The sliding surfaces should not be lubricated in order to avoid sticking of dirt, which could result in the formation of marks on the swivel arm and thus to wear.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 Position. Description Lubricant, Occasion and Remarks (See also section 6.5.1) Forward and rear horizontal tail Grease (any rigging and annually) fi tting. L´Hotellier connection aileron Slightly grease only the ball (any rigging and control rod.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 CONTROLS Description: See section »3.3« Lubrication: See section »6.5« Adjustment and Rated Data: See section »6.4« CONTROL RODS, GENERAL The control rods must be checked with special attention on the condition of their terminals. The swagged terminals of all control rods must be checked for longitudinal and radial cracks, all fork terminals for cracks, especially at the transition area of fork root and side frame.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 7.4.8.2 FIRE PROTECTIVE SLEEVES The fi re protective sleeves must be checked for condition and complete cover of the fl uid lines. Check routing, especially for kinks in fi re protective sleeves, which might obstruct fl uid fl ow in fl uid lines covered.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 7.4.10.7 CHECKING OF PITCH CONTROL AND ADJUSTING THE VARIABLE PITCH PROPELLER • The basic setting of the blade-angle is performed by the manufacturer or by a facility or Field Base Operator (FBO) authorized by the manufacturer to perform major repairs on the variable pitch propeller.
AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 7.10 OPTIONAL - WING FOLDING DEVICE Description: See section »3.10« CAUTION Never use grease for the maintenance of operation sliding areas. DISASSEMBLING • For disassembling the outer wing follow up the sequence given in the AFMS section 4 until the access to the connection bolt of folding device is given.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 • If the outer wing part has been removed from outer wing, reinstall in the marked position back to the outer wing. Use new self-locking nuts (STEMME P/N D980-05). MAINTENANCE INNER WING PARTS NOTICE Mark the direction of the installation a permanent marker.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 NOTICE The brass blocks are screwed by Allen-head screws. These screws are secured by Medium Loctite 243. Heat up the area by a Hot-Air-Gun up to 80°C / 176°F before disassembling. Figure 7.10.b Brass Block Installation •...
The additional required maintenance tasks needs to be recorded individually in the maintenance record of each maintenance. Maintenance instructions for equipment delivered by STEMME must be entered in the list on the cover sheet of Annex A, if the relevant equipment is installed in the aircraft serial number indicated on the title page.
• Instructions for the maintenance of “L’Hotellier” ball and swivel joints, Doc-No. IMA 10.01 Revision G • Maintenance instructions by STEMME as entered in the list below. This list must comprise at least those Maintenance Instructions relating to the additional equipment installed (refer to the record of accomplished SB’s/AD’s under Annex B).
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 Weight and balance report Document Number 1001-12-S12-2 STEMME S12 DE.21G.0068 Page 1 (of 2) Serial Number: Registration: Relevant Equipment List: Order No.: This Weight and Balance Report was drawn up without weighing. Any weighing data have been taken from the Weight and Balance Report dated ___________ and if need be corrected according to point 4.2.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 Weight and balance report Document Number 1001-12-S12-2 STEMME S12 DE.21G.0068 Page 2 (of 2) 4. Determining of Empty Weight Center of Gravity 4.1. After Weighing: ⋅ [mm / in.]*** ⇒ mm / in.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 Document No.: Control Suface Weights and Hinge 1001-12-S12-6 Moments – Stemme S12 DE.21G.0068 Page 1 (of 1) Serial No.: Registration: Order No.: Weight of control surface Hinge moment M = g * r Recommended Reaction force „g“...
AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 ANNEX F: TECHNICAL DRAWINGS This section provides technical drawings and electric wiring diagrams relevant for maintenance. A. Flight Controls: Pitch Control and Trim B. Flight Controls: Lateral Control (Wing, Flap, Aileron) C. Flight Controls: Airbrake Control D.
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AIRCRAFT MAINTENANCE MANUAL STEMME S10, VARIANT S12 DIAGRAM STEMME P/N EFFECTIVITY S12 Engine System -Fuel Pumps and Indication P308-124922 S12 Engine System - Propeller Control P308-124923 S12 Pitot Static System P308-124950 Ultimate Europe S12 Transponder and Traffi c Display P308-124993...
4. S12 MAIN SYSTEM - DC GENERATION Main System Box Instrument Panel Engine Cowl Charge Socket Ext Alt Lamp Volt/Ampere Ext Alt Field MAIN BUS - INSTRUMENT PANEL PP1F VV10F Solar Cells AVIONICS BUS - INSTRUMENT PANEL PX30P PX5F PX3P VV11F External Generator...
8. S12 MAIN SYSTEM - AUTOPILOT Instrument Panel AVIONICS BUS - INSTRUMENT PANEL refer to: P308-124.910 S12 Main System - 16pol 11 12 DC Generation Right Stick: Prepare wires for AP Disengage EFIS Autopilot in copilot stick connector AP74 AP20P AP2P Power 10-30V DC AP Disengage...
9. S12 MAIN SYSTEM - FIRE WARNING Instrument Panel Fire Warning MAIN BUS - INSTRUMENT PANEL refer to: P308-124910 S12 Main System - DC Generation WG10P Molex WG12P 3pol Warning light "FIRE" Horn and test button black Engine Compartment 160°C 160°C WG4F 26-97-00...
14. S12 ENGINE SYSTEM - COMMUNICATION RADIO Standard Headset Jacks CFG 1: STD MIC + HEADPHONE black Mic switch 10VV Instr. lighting 4VV-1 white COPILOT CFG 2: DYN MIC + SPEAKER black Backlight + white +13,75V +13,75V black black MIC STD 2 HI white white MIC STD LO 8...
15. S12 ENGINE SYSTEM - DC GENERATION Instrument Panel Engine System Box Volt/Ampere ENGINE BUS - INSTRUMENT PANEL KA1F VV2F PX5F PX3P refer to: P308-124.910 refer to: P308-124.921 S12 Main System - S12 Engine System - Shunt PX30P PX3Ps DC Generation Engine Monitoring and Control PX30Ps VV3F...
1b 1a 2b 2a Engine System Box CHT L CHT R Ignition refer to: P308- refer to: P308-124.920 JA2Ps JB2Ps S10 Stall warning Switch S12 Engine System - JC11P DC Generation Nose Cone Manifold TCU Status TCU Emergency Lever KA1F...
18.S12 ENGINE SYSTEM - PROPELLER CONTROL Engine Compartment Instrument Panel 7 Channel MOSFET-Box ENGINE BUS - INSTRUMENT PANEL Prop. Pitch Power green Propeller Pitch Indication Module refer to: P308-124.920 S12 Engine System - DC Generation ENGINE BUS - SYSTEM BOX B3 B4 B2 KF1F KF2F...
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