MW Fly Spirit 100 Direct L Maintenance Manual
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MW Fly Spirit 100 Direct L Maintenance Manual

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Line maintenance manual
E-DMC.E10.1
SPIRIT
engines
Edition
Revision
A
1
LINE MAINTENANCE Manual
engines
SPIRIT
TRANSLATED
FREE DISCLOSURE
Page 1 di 140

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  • Page 1 Document Line maintenance manual E-DMC.E10.1 SPIRIT engines Edition Revision LINE MAINTENANCE Manual engines SPIRIT TRANSLATED FREE DISCLOSURE Page 1 di 140...
  • Page 2 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Before starting any maintenance work, carefully read the regular maintenance manual and the overhaul maintenance manual: these documents contain important information for carrying out checks and repairs in compliance and in safety. The information contained in them must be evaluated and integrated by technicians with adequate experience and with specific training on the engine.
  • Page 3 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision INDEX 01-00-00 INTRODUCTION 01-01-00 Identification Data 01-01-01 Standard or Non-standard Motor Definition 01-02-00 Documentation 01-02-01 Notes for Consultation 01-02-02 Unit of Measure 01-02-03 Technical Documentation Available 01-03-00 Safety 01-04-00 Maintenance Criteria 01-04-01 Line Maintenance 01-04-02...

  • Page 4: Table Of Contents

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 05-20-03 Scheduled maintenance table 12-00-00 INSTRUCTIONS FOR MAINTENANCE 12-01-00 Tightening torques 12-02-00 Locking the crankshaft 12-02-01 Motors without gearbox 12-02-02 Motors with gearbox 12-02-03 Locking for timing without removing the reducer or front cover 12-03-00 Engine test after maintenance or periodic inspection 12-04-00...
  • Page 5 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-24-05 Spectrographic analysis of engine oil 12-25-00 Fuel system 12-25-01 Check 12-25-02 System depressurization 12-25-03 FD-m 12-25-04 Fuel shunt and pressure regulator 12-26-00 Air intake system 12-26-01 Removal 12-26-02 Reassembly 12-26-03 Air filter replacement 12-27-00 Exhaust system...
  • Page 6 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-32-06 Operation with too low engine oil pressure 12-32-07 Use with control units and current regulator temperatures too high 12-32-08 Exceeding the maximum number of revolutions 12-33-00 Checks after use with unfulfilled prescriptions 12-33-01 Ignition spark plug specifications not respected 12-33-02...
  • Page 7 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 01-00-00 INTRODUCTION series of engines are designed and manufactured using the most modern SPIRIT motor technology with the purpose of achieving good performance combined with a high level of passive safety. If the engine is used correctly it will return years of pleasure and reliable service.
  • Page 8 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 01-01-00 Identification Data The engine serial number is stamped on the top of the engine, near the gearbox. It consists of the model identification code (72-02-C) followed by a six-digit number, of which the first four indicate the serial number and the last two indicate the year of manufacture.
  • Page 9 Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Product Engine Name code type Spirit 100 Direct L W011 Spirit 100 Direct R W012 NOSTD Spirit 115 Direct L W013 Spirit 115 Direct R W014 NOSTD Spirit 135 Direct L W017...
  • Page 10 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision The numbering system of the contents of the manual consists of a numerical code using the following criterion. The content of each document is numbered and divided as follows. CC-SS-PP where: CC indicates the chapter of the document SS indicates the section of the document PP indicates the paragraph of the document...
  • Page 11 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision NOTE: Refers to supplementary information to completely or fully understand the instruction. 1., 2., ... This numbering is used to list tools and consumables needed to run an installation or maintenance; it is also used to bring in parts lists or engine parts shown in the illustrations.
  • Page 12 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision CONVERSION FACTORS BETWEEN MEASUREMENT SYSTEMS Type of ST Unit S.I. Unit Anglo-Saxon unit measurement m = 100cm = ft = 30,48cm = 304,8mm Length 1000mm in = 2,54cm = 25,4mm sq ft = 77,42cm 2 = cm 2 m 2 = 10 4 cm 2 = 7741,9mm 2...
  • Page 13 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision ELECTRICAL CABLES SECTION CONVERSION mm 2 21,200 13,300 8,350 5,270 3,310 2,080 1,310 0,820 0,519 01-03-C 01-02-03 Technical Documentation Available The technical documentation and directives are to be considered a necessary tool for personal training, but they cannot in any way replace adequate specific instruction, both theoretical and operational The information provided in the following manuals contains procedures and checks...
  • Page 14 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 01-03-00 Safety This manual is a guide for the correct maintenance of SPIRIT engines. In addition to reading all the publications relating to the engine in use, to operate correctly and safely it is necessary to have good mechanical experience and have an in-depth knowledge of the problems connected to workshop operations.
  • Page 15 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Only authorized and technicians trained on the product are qualified to work on the engine. Failure to comply with this rule voids any type of product warranty and releases MWfly from any further obligation and liability towards the user.
  • Page 16 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision When there are differences between what is specified in this manual and local regulations, you must proceed under the more stringent rule. In case of doubts or difficulty in interpreting what is written, it is necessary to ask for clarification from an authorized MWfly assistance center before proceeding.
  • Page 17 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 01-04-01 Line Maintenance The purpose of line maintenance is to perform checks and adjustments, install engine components, or perform consumable changes (e.g. lubricant) that do not necessarily involve removing the engine from the aircraft. In some cases, line maintenance operations must be completed with heavy maintenance operations, for which it is necessary to consult the appropriate manual.
  • Page 18 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 3mm Allen key  3mm Allen key with ball head  8mm Allen key with ball head  Swivel wrench for 16 mm spark plugs  Needle nose pliers  Pliers for seeger assembly for holes with 1.5 mm pins ...
  • Page 19 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision When using chemical materials, it is necessary to comply with the local legislation in force for disposal, as they are special waste. When using, take the utmost care to protect yourself and the environment from possible contamination. Denatured alcohol for domestic use ...
  • Page 20 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12. 2 x M12 banjo screw eyelet with D8 tube holder 13. Spray silicone-based anticorrosive 01-06-01 Preservation Carry out a slow recharge [7] of the battery. Connect approximately 2.5 meters of pipe [11] to each eyelet [12]. Remove [3] the fuel inlet pipe from the pump unit and screw one of the two preparations to the prescribed torque [1 + 3], leaving the opposite end free.
  • Page 21 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision The procedure described above helps to avoid blocking of the fuel pumps and injectors due to encrustations or residues caused by the evaporation of the petrol. Apply an airtight cap [9] to each of the silencer terminals to prevent moisture from entering the engine.
  • Page 22 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Replace the fuel filters. In case of doubts about their efficiency, remove the injectors and carry out their cleaning and instrumental check of the flow rate. Check all the connections of the cooling circuit and the pipes of the fuel circuit: they must not show leaks or cracks of any kind, or bites by rodents.
  • Page 23 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision In the event that the motors are sent to the service centre prepared in a different way from what is recommended above, no guarantee will be recognized on damage potentially attributable to transport, even if previous and not caused by the same.
  • Page 24 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 04-00-00 AIRWORTHINESS LIMITATIONS At the date of publication of this manual there are no limitations regarding the installation of engines on any type of aircraft, both fixed-wing and rotary- SPIRIT wing. However, the airworthiness of the engines is subject to compliance with the operating limits set out in the DMB.E10 operating manual, as well as compliance with the scheduled maintenance interventions provided for in this manual.
  • Page 25 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 05-00-00 PERIODIC MAINTENANCE This chapter shows the periodic inspection program to be carried out on the SPIRIT motors. Some general rules for carrying out maintenance work are mentioned below. The information given in this manual is based on theoretical and experimental ...
  • Page 26 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 05-02-00 Preparing the aircraft for maintenance To carry out maintenance work safely, the following safety instructions must be observed. Main switch in off position. Injection switch (kill switch) in the off position. Negative battery cable removed (if welding is carried out on the aircraft, also remove the positive cable).
  • Page 27 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 05-03-00 Safety locks and seals All safety locks, such as self-locking nuts, washers, special screws, seeger rings, etc. once removed they must be replaced; the same is true for all gaskets and sealing elements.
  • Page 28 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision All materials used in mechanical constructions are subject to wear and degradation, due to the stresses induced by use, but also due to environmental factors: from this it follows that even engines that are not used or used sporadically must necessarily undergo maintenance.
  • Page 29 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 05-10-02 Calendar operating limit Some engine components are subject to wear linked to environmental parameters, such as the presence of salt or humidity, ultraviolet rays or ozone. In particular, all parts made of plastic or rubber are subject to environmental deterioration, therefore independent of the frequency of use.
  • Page 30 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Crankcase vapor vent pipe Cooling pump inlet manifold Cooling pump outlet manifold Mechanical seal breather pipe Anti-vibration elements for fixing the liquid and oil radiator 05-10-06 Operating limit of other components In addition to the plastic parts and operating fluids, other components of the engine are subject to preventive replacement (regardless of the hours of actual operation), as specified below.
  • Page 31 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision The 25-hour inspection must be performed only after the first 25 hours of operation from a new or overhauled engine. Periodic inspections of 50, 100, 200, 500 hours are to be carried out at the end of the hours indicated and at the respective multiples of hours;...

  • Page 32: Scheduled Maintenance Table

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision All the activities foreseen in the maintenance table must be carried out in  compliance with what is specified in this manual. If doubts or doubts arise, it is necessary to integrate the information with what is reported in the other manuals or contact an authorized service center.
  • Page 33 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Term (hours) Activities 50 100 200 500 900 Engine cleaning Visual check to identify oil, petrol or coolant leaks or areas of overheating of the bonnet Inspection of anti-vibration mounts and engine fixing bolts: identify abrasions, cuts or any overheating Inspection and possible tightening of all screws and nuts external to...
  • Page 34 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Term (hours) Activities 50 100 200 500 900 Pre-flight inspection: liquid level check in expansion tank, absence of leaks from system and mechanical seal vent, radiator integrity and retained clamp tension Replacement of the rubber components of the expansion tank Replacement of expansion tank...
  • Page 35 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Term (hours) Activities 50 100 200 500 900 Pre-flight inspection: check for the absence of leaks from the circuit and purge the decanter filter Change fuel filter ** Fuel pumps replacement Check the fuel distributor: clean and replace the pressure regulator if necessary...
  • Page 36 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Term (hours) Activities 50 100 200 500 900 Boroscopic inspection of crankshaft Qualitative verification of piston thermal fatigue Check cylinder compression Starter inspection: check free wheel, gears and starter clutch wear Check the wear of the tensioner shoes and the timing chain tension Check camshaft and tappets...

  • Page 37: Instructions For Maintenance

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-00-00 INSTRUCTIONS FOR MAINTENANCE This chapter contains the instructions for carrying out the refueling and routine maintenance operations on the engines SPIRIT 12-01-00 Tightening torques All tightening must be performed with a torque wrench, respecting the prescribed torque.
  • Page 38 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Tightening Type of screw or nut torque [Nm] Ignition coil screw (M4) 3 + FM Rpm sensor screw (M5) 6 + FD Screw fixing coil brackets (M5) 6 + FD Expansion vessel fixing screw (M5) 6 + FD Anti-vibration fixing radiator cooling A mano...
  • Page 39 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Tightening Type of screw or nut torque [Nm] Shaft butterfly screw (M4) 4 + FM TPS sensor tightening screw (M4) 4 + FD Accelerator control bracket fixing screw (M5) 6 + FM Screw fixing MAP sensor and air temperature (M6) 6 + FM Grub screw and nut for throttle cam stroke adj.

  • Page 40: Locking The Crankshaft

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Legend FD = weak thread lock  FM = medium threadlocker  FF = strong threadlocker  T/T2 = tightening subjected to periodic control  O = optional  V = present only on some versions ...

  • Page 41: Motors With Gearbox

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-01-P Screw [3] the flange locking tool [7] to the propeller flange, using the provided screws and washers. Hold the tool lever [7] while applying the tightening torque, to prevent rotation of the crankshaft.

  • Page 42: Locking For Timing Without Removing The Reducer Or Front Cover

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Before starting the engine, remember to remove the locking device [6] of the crankshaft and screw [5] the gearbox oil filler cap: it is good practice to always rotate the propeller by hand, to check that rotation occurs freely. Avoid applying the crankshaft locking procedure relating to motors without reducer to motors with reducer, as the torque to be opposed would be multiplied by the reduction ratio, damaging the...

  • Page 43: Engine Test After Maintenance Or Periodic Inspection

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-04-P Check the effective locking of the shaft during operations on the engine, retightening the screw if necessary. At the end of the work, remove the locking screw and screw the service screw back to a torque of 15 Nm.
  • Page 44 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Never leave the aircraft with the engine running. Before starting, check that the engine has no detached or not completely fixed components. Also check that there are no forgotten tools near or on the engine. Check and, if necessary, replenish the operating fluids (lubricants, coolant).

  • Page 45: Removal And Reassembly Of The Engine From The Aircraft

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Never open the cap of the pressurized cooling circuit when the engine is hot. If it is necessary to carry out checks, unscrew the cap slowly, holding it with a rag soaked in cold water; vent the circuit gradually, stopping during opening.

  • Page 46: Removal

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Necessary material Torque wrench 50 Nm 3mm Allen T-handle wrench 5mm Allen T-handle wrench 6 mm Allen key with ball head 8mm Allen T-handle wrench 13 mm hex wrench 12mm hex wrench 17 mm hex wrench Engine lifting tool (X299 for motors with gearbox)

  • Page 47: Installation

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Remove the lubricant cooler, only if necessary. Screw [5] the lifting tool [9] to the engine. Alternatively, provide a system for lifting the engine, making sure that no parts of the wiring or spark plug cables...

  • Page 48: Supplies

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Install [1 + 4] the exhaust system. If the exhaust system is not original, the installation must follow the instructions of the aircraft manufacturer. Hook the engine wiring connector to the counterpart on the injection system, making sure that the safety ring nut is properly tightened.

  • Page 49: Cooling Liquid

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-10-01 Cooling liquid With the engine off, unscrew the black cap of the cooling circuit expansion cap counterclockwise. Check that it is full for at least 2/3 of the height by inserting a finger or the shaft of a screwdriver inside.

  • Page 50: Motor Oil

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-10-02 Motor oil Necessary material 1. Oil filler cap tightening tool (X283) 2. Blotting paper Place the aircraft in an area where a horizontal engine position is guaranteed. Bear in mind that the engine is not always mounted in such a way that with the aircraft on a horizontal plane it is also horizontal.

  • Page 51: Gearbox Oil

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Clean the dipstick with absorbent paper [2] and reinsert the dipstick in its seat, without screwing the cap back on. Remove the cap with the dipstick from its seat again. Check that the level is between the bottom of the rod and the notch; in case of doubts about the actual level, use absorbent paper [2] to check up to what level the dipstick is wet with oil.
  • Page 52 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-10-P If the oil does not come out, slowly add oil of the prescribed type until you see oil coming out of the inspection hole, after removing [3] the filler cap. 12-11-P If the engine has been used with the gearbox oil level below the minimum level by more than 50cc, it is necessary to remove [4] the drain plug with magnetic filter...

  • Page 53: Scheduled Maintenance

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-20-00 Scheduled maintenance This chapter collects inspections or ordinary maintenance operations. All the checks described in this section must be carried out with the engine off, after having waited for it to cool completely.

  • Page 54: General Checks

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision If it is installed inside the engine hood, avoid directing the water jet on the injection control unit, to prevent any infiltrations. After washing, provide adequate rinsing to remove all traces of detergent from the engine.
  • Page 55 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Check for coolant or oil drips from the mechanical seal breather pipe located bottom engine. However, modest refrigerant leakage in the first hours of operation is normal due to the mechanical seal running in.
  • Page 56 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Check the entire lower part of the engine and the connecting flanges of the rear covers to the crankcase: there must be no visible accumulations of dirt or oily areas, a symptom of lubricant leaks. Check the lower area of the flange joining the tappet covers to the cylinder head: if there is any leakage of lubricant, retighten the closing screws to the prescribed torque;...

  • Page 57: Check Crankcase Breather

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Check the engine oil and gearbox oil filler cap: in the event of leaks it is necessary to replace the sealing O-ring placed on the cap itself. Check the rubber fittings between the engine and the cooling radiator: any dripping or oozing must be solved by retightening the sealing clamp or replacing the hose.

  • Page 58: Engine Suspension Check

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Type of Quantity Possible problem Control or remedy fluid Slight greasiness None None Operating Lower the operating Slight deposit temperature too high temperature Elastic bands Slight deposit Compression test deterioration Valve oil seals Slight deposit Compression test deterioration...

  • Page 59: Cylinder Compression Control

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision surrounding the screw head or nut. The tightening torque is defined by the installer or by the manufacturer of the aircraft: it is usually set between 35 and 45 Check the motor fixing slots on the rear cover (wall mounting): they must be free from cracks or distortions;...
  • Page 60 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 7. Air compressor with minimum operating pressure 8 bar 12-19-P Start the engine and bring it to operating temperature. Unscrew the secondary plant spark plug of each cylinder with the special key [2] (spark plug tilted down), after having marked it [3] with the cylinder identification number.

  • Page 61: Check The Tension Of The Distribution Chain

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision lower than the limit value, it is necessary to carry out the compression check again after 25 hours to evaluate any improvements in the adaptation of the mechanical parts: if the trend is worse, it is necessary to monitor the compression every 25 hours, as it is likely that it will be necessary to intervene on the engine to replace mechanical parts;...

  • Page 62: Check General Smoothness

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Insert the tool [1] into the inspection hole, keeping the handle facing the engine head in an almost horizontal position. During insertion, slightly rotate the lever in such a way as to facilitate the introduction of the two operating pins into the seats on the chain slide.
  • Page 63 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Misalignment of the crankshaft following an accidental impact of the propeller on  the ground Abnormal wear of reduction gears  Increased friction resulting from seizure  Internal contact of parts in mutual movement ...
  • Page 64 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Avoid performing the smoothness check in the first hours of engine operation as misleading results could be generated due to the incomplete mechanical adaptation of the components. It is completely normal that in correspondence with the top dead center of each piston, there is a slight increase in the drag torque, of the order of about 10 Nm: this situation therefore occurs about every 90 °...

  • Page 65: Endoscopic Inspection

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-22-07 Endoscopic inspection Appropriate inspection holes are provided on the engine, through which it is possible to introduce an endoscope, to perform checks on mechanical parts without performing any disassembly, or removing engine oil or other liquids. Before carrying out the endoscopic inspection, remove the ground contact from the negative pole of the battery.
  • Page 66 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-24-P Insert the endoscope probe into the hole. The hole allows access to the inside of the crankcase between the crankshaft and the partition of the oil pan. Rotate the crankshaft and check the integrity of the cylinder liners, pistons, main and connecting rod bearings and finally the timing chains of both banks.
  • Page 67 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Tappets and camshafts Remove [2] the threaded plug placed on the cylinder head # 1. 12-26-P Introduce the endoscopic probe and check the service status of the camshaft, tappets and tips of the decompression device. As regards the camshafts, check that there are no scoring or seizure marks at the point of maximum lift of the eccentrics.
  • Page 68 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-27-P Introdurre la sonda endoscopica per verificare un eventuale surriscaldamento dello statore del generatore. To reassemble, follow the disassembly operations in reverse order, considering that the tightening torque of the inspection screw is equal to 15Nm and that of the fixing screws of the suction unit is equal to 22 Nm;...

  • Page 69: Annual Inspection

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Remove [5] the lower spark plug from each cylinder. Introduce the endoscope probe into the hole and carefully bring the respective piston to the bottom dead center by turning the propeller by hand in the direction of travel.

  • Page 70: Cooling System

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Fuel system: check in particular the fuel pipes in the areas close to the couplings  on the pump unit and on the fuel shunt and in the sections adjacent to hot parts of the engine;...

  • Page 71: Emptying

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Periodically, check the quality of the coolant using a hydrometer: in case the liquid is discolored or thickened it must be changed (see the manufacturer's specifications for the reference density). In any case, the coolant must be changed at the prescribed intervals, even if the engine is not used.

  • Page 72: Check Expansion Tank

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Slightly loosen [4] the three fastening screws of the coolant manifold of bank # 1 (right), after having positioned the drip pan under it: the liquid will come out of the engine with some energy. Repeat the operation on bank # 2. If necessary, remove the radiator, the exhaust system, the spark plug cables.
  • Page 73 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Disassembly Empty (even partially) the cooling system. Completely unscrew [2] the two screws holding the vessel. These screws are screwed with threadlocker, so a certain force may be required for loosening. 12-31-P Unscrew [1] the clamp from the pipe connecting the expansion tank to the pump inlet manifold.

  • Page 74: Thermostatic Valve And Pump Manifolds

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision The cap with valve maintains the pressure in the cooling circuit: too high pressure values (caused by the failure to open the breather valve) can cause the rubber hoses to detach from the fittings, with consequent loss of the coolant, or damage to the mechanical seal;...
  • Page 75 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision engine and can be caused by the use of improper coolants, by impurities in the cooling system or from long periods of inactivity of the engine. In applications with particularly high operating temperatures, the removal of the thermostatic valve can be advantageous: in this way the pressure drops in the cooling circuit are reduced in favor of a lowering of the operating temperature by a few degrees.
  • Page 76 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Rotate the two collectors by hand and at the same time pull forcefully outwards to extract them from their seat: the collectors can be very forced due to any encrustations and the fact that with use the material they are made of tends to swell.

  • Page 77: Radiator

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-37-P Insert the sealing O-rings of the manifolds into the seats inside the holes: use new gaskets for this purpose. Spread a thread of Vaseline [6] on the external surface of the manifolds and insert them in their respective seats, pushing and rotating at the same time.

  • Page 78: System Filling And Venting

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-38-P Pull the radiator downwards, at the same time removing the connecting pipes from the manifolds. At the scheduled deadlines or if they are deteriorated, it is necessary to replace the anti-vibration elements securing the radiator by unscrewing them from their seat on the oil pan;...

  • Page 79: Engine Lubrication System

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-24-00 Engine lubrication system 12-24-01 Oil change After the first 25 hours of operation, the engine oil must be changed. For an indication of the recommended engine lubricant, refer to 79- 00-05 of the installation manual.
  • Page 80 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-39-P 12-40-P Unscrew [3] the drain plug with magnetic filter. Wait about 3 minutes, so that all the oil in the engine can come out. The drain plug is equipped with a magnetic filter, necessary to collect metal dust that can develop during the use of the engine, especially during the running-in phase.

  • Page 81: Oil Filter Replacement

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Engine oil quantity [cm³] Nominal quantity of the system (with standard OC-m) Quantity present in cup with dipstick Quantity between min and max level 0,50 Contained in the oil filter 0,20 Contained in radiator and OC-m tubes 0,50 Quantity at oil and filter change...

  • Page 82: Oil Sump Cleaning

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Remove the suction unit. Disconnect the sensors connectors on bank # 2 and move the relative branches of the wiring away from the place. Arrange abundant amount absorbent paper under the oil filter, to prevent the oil coming out of the filter compartment and from the filter itself from dirtying the surfaces of the...
  • Page 83 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 6. Blotting paper 7. Alcohol 8. Scraper for floors 9. Medium threadlocker 10. Vaseline 11. Remove ether-based spray seals Removal It is possible to remove the cup without disassembling the engine from the aircraft only in the case of wall mounting (4 rear attachments);...

  • Page 84: Check For The Presence Of Particulate Matter

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Clean the inside of the oil pan, the separation bulkhead and the strainer with a rag [6] slightly soaked in alcohol [7]. Apply the solvent [11], both on the oil pan and on the counterpart of the base, and remove any gasket residues with a sharp spatula [8], working flat to avoid damaging the sealing surfaces.
  • Page 85 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision After removing the engine oil drain screw, check the amount of deposit on the magnetic filter. The accumulation must not be excessive and must consist only of minute powders with an opaque appearance, and not metal fragments. In the following image on the left there is a normal accumulation of particulates, on the right an excessive accumulation with large fragments.
  • Page 86 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Find Origin Activities Distribution gears Check the gear service status Distribution chain Check chain tension Piston pin Check the pin and small end Particles of steel Cylinder liners Check for seizures Drive shaft coupling Compression check Check play on propeller shaft...

  • Page 87: Spectrographic Analysis Of Engine Oil

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision The oil filter is equipped with an integrated bypass valve: even in the event of total obstruction of the filter element, the circulation of lubricant is possible. 12-24-05 Spectrographic analysis of engine oil The spectrographic analysis of engine oil is a recommended activity in the routine maintenance program, as it allows to anticipate and often resolve operating anomalies in advance, which could become potentially dangerous in case of underestimation.

  • Page 88: System Depressurization

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision After about 1 minute from switching off, check on the appropriate indicator that the pressure in the petrol circuit has remained the same as that read with the pump on, or has dropped to a maximum of 0.5bar. If this does not happen, it is likely that there is a small leak in the system or that the non-return valve of the fuel pump is damaged.
  • Page 89 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Necessary material 1. Torque wrench 50 Nm Fixed hexagonal wrench 22 mm 2. Socket wrench 22 mm 10. Fixed hexagonal wrench 26 mm 3. Allen key 3 mm 11. 6 mm blade screwdriver 4.
  • Page 90 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Remove power from the electrical system by disconnecting both terminals from the battery (first the negative and then the positive). Loosen the knurled closing knobs of the FD-m unit cover by hand. Remove the cover by rotating it outwards and sliding it downwards.
  • Page 91 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Check the fuel filter The fuel filter must be replaced at the scheduled intervals: do not try to wash it or blow it with compressed air. In case of doubts about the presence of metal or plastic residues in the fuel system, it is possible to examine the filter material inside the fuel filter, cutting [2] with sheet metal shears the outer casing of the filter itself.

  • Page 92: Fuel Shunt And Pressure Regulator

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Tighten the sealing clamps on the pumps, placing the closing point in an area that can be inspected: do not exceed the clamping load. Insert the respective cable lugs on the terminals of each pump: d4 mm for the positive, d5 mm for the negative terminal.
  • Page 93 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Necessary material 1. Torque wrench 50 Nm 6. 6 mm Allen key 2. 12 mm hex wrench 7. Seeger mounting pliers for holes 3. 19 mm hex wrench with 1.5 mm pins 4.
  • Page 94 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision originates from an accumulation of residues on the fuel filter or mesh filter installed on the regulator itself, or from a faulty fuel pump. Before replacing the pressure regulator, check the fuel pump and filter.

  • Page 95: Air Intake System

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-26-00 Air intake system During maintenance operations, pay particular attention to prevent small parts or dirt from falling into the engine through the intake manifold. 12-26-01 Removal Necessary material 1. 4 mm blade screwdriver 2.

  • Page 96: Reassembly

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-50-P 12-49-P Protect the intake port on the head from any entry of foreign bodies, by inserting the appropriate plastic cover [3] or a clean cloth over the throttle valve. Pull each of the two intake manifolds outwards to separate it from the airbox; the coupling is free, with a little friction ensured by the presence of an or in the seat on the airbox.

  • Page 97: Air Filter Replacement

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Insert the two fixing screws in the holes on each manifold after applying the thread locker [5]; in the event that the holes on the manifolds do not match, it is necessary to insert them or extract them slightly from their seat on the airbox.

  • Page 98: Exhaust System

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Loosen [1] the metal clamp securing the air filter to the airbox. Pull the filter down to remove it from its seat. When reassembling, insert the filter in its seat: the metal closing part of the filtering fabric must face the engine head.

  • Page 99: Control And Recovery

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-51-P To complete the disassembly of the exhaust system, it is necessary to remove [1] the four fixing springs of the exhaust manifolds to the silencer. When reassembling it is advisable to replace all the fixing springs, even if they are apparently in good condition.

  • Page 100: Installation

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision During the heating and especially cooling phase of the exhaust system with the engine off, metal clicking sounds are audible: all this is perfectly normal, and is caused by the mutual sliding of the hot surfaces of the manifolds and silencer.

  • Page 101: Spark Plugs

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision permanent deformations; also check the condition of the 4 fixing antivibration mounts. In case of removal of the fastening elements for the inspection of the wiring, pay the utmost attention to reassemble them in the same position: a wiring subjected to vibrations or in contact with the surfaces of the motor is a wiring destined to have reliability problems.
  • Page 102 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Spark plugs with whitish color indicate probable carburation defect, high combustion temperature or imperfect valve seal. 12-53-P Spark plugs with dark velvety-looking deposits indicate operating temperatures that are too low: in this case it is necessary to act on the engine cooling...
  • Page 103 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision At the deadlines set in the maintenance program, all spark plugs and ignition cables must replaced. The spark plugs to be used are the same for circuit A (high position) and B (low position) and for all engine models, as shown in the following table.

  • Page 104: Ignition Coils And Cables

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Make sure that each pipette is inserted correctly, until you hear the click with the spark plug nipple: for greater safety, after insertion, lightly pull the pipette outwards to check that it is engaged. The tightening of the spark plugs must be carried out with the engine cold;...
  • Page 105 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Necessary material 1. Torque wrench 50 Nm 2. Allen key T 3 mm 3. Allen key T 4 mm 4. Fixed wrench from 7 mm 5. Phillips screwdriver 4 mm 6. Needle nose pliers 7.
  • Page 106 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision the graft toughness is insufficient, tighten the clip inside the pipette using pliers [6]; then try the coupling again. Check [8] the impedance of each cable, placing the tester terminals at the two ends of the cables themselves: the measured value must be between 4.5 and 5.5 Kohm, depending on the length of the cable.

  • Page 107: Battery And Charging System

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Insert the respective spark plug cables on each coil, pressing firmly on the pipette until a click is heard and helping the insertion of the protective cap with Vaseline [9]. Respect the layout of the diagram in figure 12-57-P. Arrange the cables on the castings, so as to obtain an orderly arrangement as in the following figures.
  • Page 108 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Necessary material 1. Torque wrench 50 Nm 2. Digital tester 3. Blade screwdriver from 6 mm 4. Phillips screwdriver from 4 mm 5. Allen key from 5 mm 6. Allen key T 6 mm 7.
  • Page 109 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Check the charging system The current regulator and the capacitor (provided in the system and present within the control unit group) must be replaced in advance within the prescribed deadlines, and in any case in case of doubts about their efficiency.

  • Page 110: Ij-M

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Screw the regulator support bracket to the motor and tighten [1 + 5; 1 + 6] the screw above 15Nm and the screw below 10Nm. 12-28-05 IJ-m The breaking of a fuse or the detachment of a breaker, even if signaled by the diagnostic system, does not necessarily cause an evident malfunction of the...
  • Page 111 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Do not change the value of the fuses or breakers, so as not to cause unnecessary overloads in the electrical system or accidental disconnections, a source of potential danger. Function Value [A] GEN = generator SPARE = available position COIL 1A = coil #1 ignition circuit A...
  • Page 112 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Check components The fuse console is fixed to the cover of IJ-m assembly, which must removed to access other components of the assembly, as identified below. 1. Main control unit connector 2.

  • Page 113: Ag-M

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Check [3] that the base is tightened to the 4 silent blocks; also check that the base has no notches or deformations and that the anti-vibration elements are not degraded. Check that there are no signs of oxidation overheating on the components. If removed, the connectors of the main or auxiliary control unit must be reinserted after having adequately tensioned the safety clip and making sure that it is hooked.

  • Page 114: Transmission

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Slightly unscrew [4] the upper fixing screw of the generator. Also unscrew [4] the lower locking screw. Rotate the generator inwards, so as to cancel the tension of the belt. Remove the belt from the two pulleys. Clean [8] the tracks of the two pulleys from the rubber residues of the belt.

  • Page 115: Psru Engine Tightenings

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 5. Medium threadlocker 6. Burin D3 mm It is necessary to get help from a second person. Remove the propeller [5], according to the instructions provided by the manufacturer. Insert the supplied bushings into the tool [4] and into two adjacent holes of the propeller flange.
  • Page 116 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 9. Locking tool for reducer (X327) 10. Technical Vaseline 11. Medium threadlocker 12. Weak threadlocker Remove the gear oil. Remove reduction gear filler cap. Insert the comb of the tool [9] into the gearbox oil supply compartment and screw the fixing ring nut by hand: if the comb does not fit properly and causes difficulties in screwing the ring nut, move the propeller shaft slightly.
  • Page 117 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision If the screw is removed or replaced, a thread locking compound [11] must be applied to the thread; under the head of the screw, the lock washer must be inserted, which can be reused. Screw and tighten [1+2] the bearing tightening screw or governor pump shaft: the prescribed torque is 100 Nm.

  • Page 118: Oil Change

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Fill the gearbox with oil. Screw the gear oil cap by hand. 12-29-03 Oil change After the first 25 hours of operation it is necessary to change the engine oil. For the indication of the recommended engine lubricant refer to 61- 00-05 of the installation manual.
  • Page 119 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-71-P Pay the utmost attention to avoid getting burned with hot oil. The drain plug is equipped with a magnetic filter, necessary to collect metal dust that can develop during the use of the engine, especially during the running-in phase.

  • Page 120: Check Magnetic Filter

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Observe the O-ring on the filler cap: in case of damage, it must be replaced. Screw the gear oil cap by hand. After an oil change and before a flight, an engine test run on the ground must be performed.

  • Page 121: Vent Control

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision It is advisable to carry out a spectrographic analysis of the engine oil and gearbox oil every two oil changes, or more frequently if abnormal residues are found in the removed oil. 12-29-06 Vent control The gearbox is equipped with a relief valve set at 0.3 bar, which discharges the...

  • Page 122: Damper Torque Control

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Apply a light load to the end of a blade with your hand, first in one direction, then in the opposite one, without rotating the crankshaft: in this way it is possible to measure [1] the play between the gearbox gears.
  • Page 123 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 3. Oil filler cap tightening tool (X283) 4. Locking tool for reducer (X327) 5. Specific tool for removing the propeller Remove the propeller [5], according to the instructions provided by the manufacturer.

  • Page 124: Unscheduled Maintenance

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision The torque can undergo a variation during the angular stroke, following the friction of the first detachment: the maximum acceptable difference is shown in the table. The torque to be considered to evaluate the efficiency of the system is the minimum one measured during the angular stroke.

  • Page 125: Checks After Use Outside The Operating Limits

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision breather pipe of the mechanical seal: if the leak persists even with the engine hot it is necessary to replace the sealing parts. Use lubricants suitable for the operating conditions. The use of the engine at high altitudes facilitates the onset of vapor lock phenomena when using unleaded petrol, especially if the ambient temperature is high;...

  • Page 126: Use With Too Low Coolant Temperature

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Damage check The possible damage is the burning of the cylinder head gasket. Another possibility is the overheating of the mechanics, and in particular of the piston-barrel and connecting rod-pin coupling. Check the absence of water and oil emulsion by unscrewing the engine oil filler cap: the check must be made with the engine warm, as it is possible that, in the first moments of operation, a small amount of water vapor is released from the oil...

  • Page 127: Use With Too Low Engine Oil Temperature

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision If accompanied by operation with high coolant temperatures, perform the checks  first after “use with too high coolant temperature”. Check the engine oil level, and if necessary add more.  Carry out the general smoothness test.

  • Page 128: Operation With Gear Oil Temperature Too High

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-32-05 Operation with gear oil temperature too high Search for causes Check the oil level in the reducer.  Hot check the existence of excessive play between the gearbox gears.  Check the slip torque of the torsional damping system.

  • Page 129: Use With Control Units And Current Regulator Temperatures Too High

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Check the general smoothness. Endoscopic check of the crankshaft. 12-32-07 Use with control units and current regulator temperatures too high What is specified below for the control unit group is applicable only if the group itself is installed in the engine compartment.

  • Page 130: Checks After Use With Unfulfilled Prescriptions

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Check the compression of the cylinders. Effettuare una ispezione endoscopica dai fori candela per l’individuazione di eventuali piegature dei gambi valvola (è più probabile che si verifichi sulla valvola di scarico). Carry out an endoscopic inspection of the spark plug holes to identify any bends in the valve stems (this is more likely to occur on the exhaust valve).

  • Page 131: Coolant Specifications Not Respected

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Remove each spark plug after having marked it with the reference to the cylinder and the ignition circuit and check for any overheating of the electrodes. Check the inside of the combustion chamber with an endoscope, using the low spark plug seats as the inlet hole (circuit B): inspect the piston crown, especially near the edges, the upper part of the cylinder liner, the head gasket , the valve seats and the valves themselves, the peripheral area of the combustion chamber.

  • Page 132: Gearbox Oil Specifications Not Respected

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Seizure or severe wear of the main and connecting rod supports.  Seizure between camshaft and seats.  Seizure between secondary shaft and seats.  Checks and remedies Check the general smoothness. Remove the oil from the engine.

  • Page 133: Fuel Specifications Not Respected

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Replace the gear oil with a quality and thermal grade oil recommended for the conditions of use. Carry out a second oil change and check the magnetic filter after 10 hours of use. 12-33-05 Fuel specifications not respected It is potentially very dangerous to use non-prescribed fuels...

  • Page 134: Moment Of Inertia And Loads On The Propeller Shaft Higher Than Allowed

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision 12-33-06 Moment of inertia and loads on the propeller shaft higher than allowed Possible damage Overload damage to the gear teeth.  Overload damage to the gearbox bearings.  Checks and remedies Replacing the gearbox ball bearings.

  • Page 135: Excessive Vibrations

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Also inspect other engine accessories, such as radiator and cooling fittings, fuel lines, engine mount, etc., which may have been subjected to stress in excess of the maximum allowed. Check the engine for damage or for any detachment of components: in the event of non-compliance, it is necessary to repair or overhaul the engine, depending on the anomalies found.

  • Page 136: Difficult Starting

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision If the engine has been running for long periods in the presence of strong vibrations, it must be serviced. 12-34-03 Difficult starting Make sure you have positioned the throttle lever below 10% open. Check the fuel pressure before the ignition phase.

  • Page 137: Excessive Or Abnormal Noise

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Check the crankcase breather. Check and, if necessary, replace the air filter. Verification of cylinder compression. 12-34-06 Excessive or abnormal noise Check the exhaust system. Check the integrity of the reducer (gears and damping system). Perform the endoscopic inspection of the engine block.

  • Page 138: Presence Of Water In The Engine Oil

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Check for the presence of water emulsion in the engine oil: the check must be carried out by unscrewing the oil filler cap after using the engine on the ground for at least 15 minutes at operating temperature.
  • Page 139 Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision Anomaly communication form Date Serial number Last name First name Telephone number E-mail Aircraft Aircraft model manufacturer Propeller model Number of blades Appl. pulling Appl. pushing Total hours Main use School Missions>1 hour Missions<1 hour Frequency of use...

  • Page 140: List Of Revisions To The Document

    Document Line maintenance manual DMC.E10.1 SPIRIT engines Edition Revision LIST OF REVISIONS TO THE DOCUMENT Edition/ Modification Applicability Chapter Page Revision date From #028220 01-00-00: Introduction 25/11/22 From #028220 04-00-00: Airworthiness Limitations 25/11/22 From #028220 05-00-00: Periodic maintenance 25/11/22 From #028220 12-00-00: Maintenance instructions 25/11/22 TRANSLATED...

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