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AEROPRAKT -22LS Maintenance Manual

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Airplane Maintenance Manual
Airplane Model:
Airplane Registration Number:
Airplane Serial Number:
Date of issue:
Approved by:
Position:
Date of approval:
AEROPRAKT-22LS
A22LS-AMM-02
This manual must be carried in the airplane at all times.
AEROPRAKT-22LS (A-22LS)
N22FC
373
19.02.2020
Yuriy Yakovlyev
Chief designer
19.02.2020

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Summary of Contents for AEROPRAKT AEROPRAKT-22LS

  • Page 1 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Airplane Model: AEROPRAKT-22LS (A-22LS) Airplane Registration Number: N22FC Airplane Serial Number: Date of issue: 19.02.2020 Approved by: Yuriy Yakovlyev Position: Chief designer Date of approval: 19.02.2020 This manual must be carried in the airplane at all times.
  • Page 2 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 This airplane is to be serviced and maintained in compliance with information and instructions contained herein.
  • Page 3 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 RECORD OF REVISIONS No part of this manual may be reproduced or changed in any manner without a written consent of the Manufacturer. Any revision of the present manual must be recorded by the Manual holder in the following table according to information from the Manufacturer.
  • Page 4 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02...

  • Page 5: Table Of Contents

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Contents General OURCES TO PURCHASE PARTS QUIPMENT LIST IST OF DISPOSABLE REPLACEMENT PARTS NGINE SPECIFICATIONS EIGHT AND BALANCE INFORMATION IRE INFLATION PRESSURE PPROVED FUEL OILS AND CAPACITIES ECOMMENDED FASTENER TORQUE VALUES ENERAL SAFETY INFORMATION 1.10...

  • Page 6: General

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 1 General NOTE: Notifications, service bulletins and safety alerts are published at the official website of Aeroprakt company http://www.aeroprakt.kiev.ua This manual describes the procedures of proper aircraft handling and servicing recommended by the aircraft manufacturer. It also contains certain inspection and maintenance requirements that must be met to maintain flight performance and safe operation of the aircraft.

  • Page 7: Sources To Purchase Parts

    1.1 Sources to purchase parts For purchasing any parts or spares for this airplane contact your local dealer/distributor or address the aircraft Manufacturer: AEROPRAKT Manufacturing Sp. z o.o., ul. Zadziele 10, 32-406 Zakliczyn, POLAND, e-mail: : aleksander.opoczynski@aeroprakt.pl 1.2 Equipment list...

  • Page 8: Engine Specifications

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 1.4 Engine specifications WARNING! On all issues of engine operation see Rotax engine Operator's Manual. Follow its instructions to ensure safe and efficient operation of the engine. Engine data and operational limitations are given in the table below: Engine manufacturer BRP-Rotax GmbH &...

  • Page 9: Weight And Balance Information

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 1.5 Weight and balance information The airplane CG position must be between 1.500 m [59.06 in] and 1.751 m [68.94 in] or between 19% and 37% of the wing MAC (mean aerodynamic chord) see Fig. 1 .

  • Page 10: Approved Fuel, Oils And Capacities

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 1.7 Approved fuel, oils and capacities WARNING! On all issues of engine operation see Rotax engine Operator's Manual. Follow its instructions to ensure safe and efficient operation of the engine. Fuel Approved grades: antiknock properties – min. RON 95 (min. AKI 91 ) European standard –...

  • Page 11: General Safety Information

    1.9 General safety information Aircraft owner/operator responsibilities: Each owner/operator of the Aeroprakt LSA must read and comply with the maintenance and continued airworthiness information and instructions provided by the Manufacturer. Each owner/operator of the Aeroprakt LSA is responsible for providing the Manufacturer with current contact information where the Manufacturer may send the owner/operator supplemental notification bulletins.

  • Page 12: Inspections

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 2 Inspections This section contains the instructions and checklist for inspection and servicing for the completion of periodic and annual condition/100-h inspections with references to the sections containing detailed instructions for the inspection/servicing action. Inspection/Servicing action and its interval in hours Structures (section 3) Inspect fuselage for damage (fatigue cracks, loose rivets, etc.)
  • Page 13 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Engine and its control system (section 6) Inspect the engine mount for fatigue cracks and deformation Check the torque of the engine mount attachment bolts Inspect the shock absorbers for damage (deep cracks, disintegration, etc.)
  • Page 14 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Inspect the trim tab control cables and sheath for damage (wear, kinks, etc.) Take out and inspect the aft elevator control rod for wear. Replace if necessary. Check control surfaces' deflection angles Electrical system (section 13)

  • Page 15: Structures

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 3 Structures The airframe of A-22LS airplane includes the following parts: fuselage with glazing and cockpit doors, wings, wing struts, horizontal and vertical tail units, wing root and strut fairings and engine cowling. Fuselage with fin, wing struts and stabilizer are made of aluminum alloys.
  • Page 16 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Instructions: 3.1 Remove the engine cowling, doors, lower wing strut fairings (undo the screws fixing the fairings and 'slide' them along the strut), pilot seats, and rugs. Inspect the fuselage for cracks and deformation, paying special attention to primary structural elements, areas of their connection and rivet joints.
  • Page 17 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 eliminated by tightening its attachment bolt. In case if the play is more than 0.2 mm (0.01 in) contact the manufacturer for the required technical support. In case if no defects are found re-assemble everything in reverse order. Before re-installing the screws attaching the fuel tanks and strut fairings apply Loctite 222 on the thread.
  • Page 18 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 20 mm drill the crack end with  3 mm drill bit. The fairing with longer cracks must be replaced. Upon inspection re-install the fairings applying Loctite 222 on the thread of the attaching screws.

  • Page 19: Landing Gear

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 4 Landing gear A-22LS may have the landing gear (LG) of one of the following three types: wheels, skis or floats. This manual contains the information for servicing the wheel and ski LG. The float type LG is not included in this manual.
  • Page 20 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Left ski*** 100 h * for wheel LG version with fairings; ** for wheel LG version with mud-screens *** for ski LG version. Instructions: 4.1 To inspect the front LG leg put the airplane on the tail wheel and secure it in this position.
  • Page 21 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 In case if the shock absorber must be repaired or replaced see instruction 4.2. Before applying fresh grease on the friction surfaces of the front LG leg remove the old grease. Any grease for bearings may be used for the strut.
  • Page 22 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 - remove the plastic cable ties fixing the braking system tube to the MLG leg; - lift the airplane using a jack placed under a special plate near the opening in the fuselage bottom skin for the MLG leg;...
  • Page 23 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 For more detailed information regarding the servicing (repairing) the wheels visit the wheel manufacturer’s web site http://www.matcomfg.com Recommended special tools: none. Necessary parts/materials: none. 4.5 Inspect the fairing for cracks, ruptures and paintwork damage. If the paintwork is damaged, remove the fairing, clean the damaged area with sand paper and repaint.

  • Page 24: Braking System

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 5 Braking system The main wheels are equipped with Matco mfg hydraulic disk brakes. The braking system includes: expansion tank, master cylinder with lever, parking brake valve, brake units with supporting plates, brake disks, copper tubes, fittings and reinforced rubber hose. The braking system is filled with automotive transmission fluid ATF, application of which is approved by Matco mfg.
  • Page 25 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 INSPECTION CHART Description Interval RCO Instruction TM Expansion tank 100 h Master cylinder 200 h Parking brake valve 200 h Brake unit assembly, right 200 h Brake unit assembly, left 200 h Brake disk, right...
  • Page 26 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 of this section. Then adjust the control systems of the engine and elevator trim tab as described in the corresponding sections of this manual. Recommended special tools: none. Necessary parts/materials: none. 5.3 Remove the handles from the control levers of the throttle, elevator trim tab, brakes and choke.
  • Page 27 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Recommended special tools: none. Necessary parts/materials: Loctite 222. 5.5 Define the character and degree of the brake disk wear. For that remove the brake disk as described in 0. Measure the brake disk thickness at its working surface. It must be at least 3.3 mm (0.13 in).

  • Page 28: Engine And Its Control System

    The mixture control lever is located near the throttle lever on the horizontal panel. It is connected to the carburetors’ chokes with cables. The engine may be equipped with an intake air box of Aeroprakt design that improves the engine operating conditions, prevents carburetor icing and increases the engine power output in hot climate.
  • Page 29 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Throttle lever (central stick) 100 h Throttle lever (yokes) 100 h * – see "Maintenance Manual for Rotax ® Engine Type 912 series" ** – in aircraft version equipped with intake airbox. Instructions: The engine servicing must be performed according to the "Maintenance Manual for Rotax ®...
  • Page 30 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Engine installation is performed in reverse order following the instructions of the “Installation Manual for Rotax ® Engine Type 912 series”. After engine installation the cooling and oil system must be refilled and engine control system must be re-adjusted.
  • Page 31 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 6.4 Remove the top cowling. Disconnect the rod from the fitting. Inspect the fitting for the fatigue cracks. Check the spherical bearing for play. Permissible radial play is 0.25 mm (0.1 in), axial – 0.5 mm (0.2 in).
  • Page 32 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Necessary parts/materials: Loctite 222. 6.6 Remove the top cowling. Remove the handles from the control levers of throttle, elevator trim tab and horizontal panel. Inspect the cables for wear. In case of significant wear the cables must be replaced. Use 1x19 Ø1.5 mm (0.075 in) cable cut to the length of the old one.

  • Page 33: Cooling System

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 7 Cooling system Rotax-912 has cooling system of a combined type. The cylinders are air-cooled and the cylinder heads are liquid-cooled. The liquid cooling system consists of a water pump, expansion tank, radiator, overflow tank and hoses.
  • Page 34 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Necessary parts/materials: coolant. 7.3 Remove the top and bottom cowlings. Inspect the hoses for leaks and any damage (chaffing, cracks). Pay special attention to the areas of hose attachment and passing close to structural elements of engine and its mount.

  • Page 35: Lubrication System

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 8 Lubrication system The engine lubrication system is of closed type with dry crankcase and forced circulation of oil. The lubrication system consists of oil pump, oil tank, radiator, filter and connecting lines. Servicing of the lubrication system consists of systematic inspection of its components, timely replacement of oil and oil filter, as well as replacement of the parts with expired service life (connecting lines, sealing, etc.).

  • Page 36: Fuel System

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 9 Fuel system The fuel system (see Fig. 2 ) includes: – two wing fuel tanks (1,2) with filler inlets (3,4); – fuel lines d8 (5,6,9,10,12,14,16); – two fuel valves (7,8); – sediment collector (13);...
  • Page 37 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Fig. 2 Fuel system schematic Servicing of the fuel system consists of systematic inspection of its components, timely replacement of the fuel filter, as well as replacement of the parts with expired service life (connecting lines, sealing, etc.).
  • Page 38 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Instructions: 9.1 Drain fuel from the tanks. Remove the tank and inspect it for leaks of fuel. In case of suspected damage of the tank a more thorough check is necessary. Contact manufacturer for the required technical support.

  • Page 39: Exhaust System

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 10 Exhaust system The exhaust system of A-22LS airplane is arranged and installed in accordance with the recommendations of "Installation manual for Rotax-912 aircraft engine". The system comprises of the exhaust pipes and muffler. Depending on configuration the exhaust pipes may be fitted with exhaust gas temperature (EGT) sensors.
  • Page 40 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Necessary parts/materials: heat-resistant grease. 10.2 Remove the top and bottom cowling. Inspect the springs for integrity. Broken or missing springs must be replaced. Recommended special tools: magnifying glass, electric torch. Necessary parts/materials: none.

  • Page 41: Propeller

    A22LS-AMM-02 11 Propeller A-22LS airplane may be fitted with any propeller, approved by Aeroprakt Ltd. Propeller and its spinner servicing comprises of their systematic inspection and timely repair (or replacement) of the parts with expired service life in accordance with the requirements of their manufacturer.

  • Page 42: Airplane Control System

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 12 Airplane control system The airplane control system consists of control systems of ailerons, elevator, elevator trim tab, and aileron drooping mechanism. Control systems of ailerons and elevator may be with either yokes or central stick. The control system of elevator trim tab may be either mechanical or electrical.
  • Page 43 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 The slot depth must not exceed double diameter of the cable. If the wear is exceeding the specified value contact the manufacturer for the required technical support. The cables are used in the control systems of the rudder and elevator trim tab. The cables must be inspected for broken wires.
  • Page 44 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 - Rudder deflection angles: neutral – 2±0.5°, right/left from neutral – 25±1°. The deflection angles of the control surfaces must be checked every 500 hours of aircraft operation. INSPECTION CHART Interva Instructio Description Flaperon control system...
  • Page 45 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Pulley units, aft, 2 pcs. 500 h Fairleads, front 500 h Fairleads, aft 500 h Elevator trim tab control system Trim tab 200 h 12.10 L LRM Cable 200 h 12.11 L LRM Fairleads, 2 pcs.
  • Page 46 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Recommended special tools: magnifying glass, electric torch. Necessary parts/materials: ORACAL permanent sticking film, Loctite 222. 12.6 Inspect the rudder for fatigue cracks, deformation, loose rivets, as described in 3.1 (paragraphs 2 and 3). Pay special attention to the areas near the rudder control arms and hinge brackets.
  • Page 47 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 fairleads, cable sheath and near its attachment to the control lever and trim tab control arm. In airplane version with electromechanical control system of the elevator trim tab inspect the cable in the areas where it passes through fairleads, sheath and near its attachment to the control arm of the trim tab and to the servomotor pushrod.

  • Page 48: Electrical System

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 13 Electrical system The major components of the electrical system of A-22LS airplane are: battery (12 V, 18 Ah), starter relay, rectifier-regulator, condenser (22000 µF, 25 V), "NO CHARGE" warning light (12 V, 2 W), master switch, ignition and consumer switches, fuse block, electric harness, fuel level senders and indicators and analog engine instruments.
  • Page 49 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Fig. 3 Wiring diagram of A-22LS electric system (main)
  • Page 50 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Fig. 4. Wiring diagram for installation of the SV-EMS-220...
  • Page 51 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Fig. 5. Wiring diagram for installation of the Dynon SkyView system...
  • Page 52 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Fig. 6. Wiring diagram for installation of the autopilot servo...
  • Page 53 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Fig. 7. Wiring diagram for installation of the radio GARMIN GTR 200 Fig. 8. Wiring diagram for installation of the windshield air fans...
  • Page 54 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Fig. 9. Wiring diagram for installation of Artex ELT 345 Fig. 10. Wiring diagram for installation of PTT control buttons...
  • Page 55 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Fig. 11. Wiring diagram for installation of the navigation and strobe lights...
  • Page 56 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 INSPECTION CHART Interva Description RCO Instruction TM Battery 100 h 13.1 Starter relay 100 h 13.2 Power cables 100 h 13.3 Rectifier-regulator 100 h 13.4 Condenser 100 h "NO CHARGE" warning light 100 h Master switch 100 h Ignition switches, 2 pcs.
  • Page 57 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Necessary parts/materials: none. 13.4 Inspect terminals and connectors for corrosion and clean if necessary. Recommended special tools: none. Necessary parts/materials: none. 13.5 Remove the fuses one by one and inspect their sockets. If corrosion is detected the fuses and sockets must be cleaned.
  • Page 58 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Recommended special tools: none. Necessary parts/materials: none. 13.9 Remove top cowling. Inspect the electrical harness for damage (chaffing, broken wires). Restore damaged insulation by setting a piece of thermoshrinkable tube over it. Connect broken wires by soldering with following insulation of the soldered areas with thermoshrinkable tube.

  • Page 59: Cockpit Heating System

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 14 Cockpit heating system Cockpit heating system of A-22LS airplane consists of warm air scoop (located behind the engine cooling system radiator), warm air duct (flexible corrugated hose), warm air shutter housing (attached to the firewall inside the engine compartment of the left side) and warm air shutter actuator.
  • Page 60 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Recommended special tools: electric torch. Necessary parts/materials: none.

  • Page 61: Instruments, Avionics, Full And Static Pressure System

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 15 Instruments, avionics, full and static pressure system Instrument panel is shown on Fig. 12 The list of instruments and avionics are installed in the airplane is in subsection 1.2 Equipment list . The instruments and avionics of A-22LS are located on the main and additional (lower) instrument panels in the cockpit.
  • Page 62 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Numbers in Fig. 12 denote the following: 1. Placard with passenger warning: THIS AIRCRAFT WAS MANUFACTURED IN ACCORDANCE WITH LIGHT SPORT AIRCRAFT AIRWORTHINESS STANDARDS AND DOES NOT CONFORM TO STANDARD CATEGORY AIRWORTHINESS REQUIREMENTS 2. Placard with operating limitations: OPERATE UNDER VMC ONLY NEVER EXCEED SPEED —...
  • Page 63 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 IGN A marking IGN B marking MASTER marking STARTER marking The full and static pressure system (see Fig. 13) supplies the full (dynamic) and static pressure of the outside air to the instruments measuring the flight parameters: airspeed, rate of climb and altitude.
  • Page 64 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Switches 100 h 15.1 Lights 100 h 15.2 Instruments and avionics 100 h 15.3 Full and static pressure system 100 h 15.4 Instructions: 15.1 Switch on the master switch. Check operation of the switches, by switching them ON one by one.

  • Page 65: Pilot Seats And Harness Belts

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 16 Pilot seats and harness belts The pilot seats of A-22LS airplane are adjustable (they have 2 fixed settings) and consist of an aluminum framework and a cushion. The harness system is of four-point type. It consists of two sets of harness belts.

  • Page 66: Cockpit Doors

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 17 Cockpit doors The cockpit doors are made in form of a transparent plastic on a riveted metal framework. The doors may be fitted optionally with locks. The doors are retained in their open position with a gas strut.

  • Page 67: Recovery System

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 18 Recovery system A-22LS airplane can optionally be equipped with a parachute recovery system for the maximum take-off weight of 600 kg (1320 lb). The recovery system is installed on the right side behind the luggage container. The system actuation handle is installed on the panel between the pilot seats.

  • Page 68: Glider And Banner Towing System

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 19 Glider and banner towing system A-22LS airplane can be optionally equipped with E 85 tow clutch manufactured by Tost Flugzeuggerätebau company ( http://www.tost.de ) for towing of gliders or banners. The tow clutch is attached to the tail fuselage on a special fitting. The tow clutch can be actuated by pulling the tow release handle (located near the flap extension lever) connected to the tow release lever with a control cable.

  • Page 69: Structural Repair

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 20 Structural repair 20.1 General This section describes the repairs that can be performed by aircraft owners, LSA repairmen or aircraft and powerplant mechanics without further consultation with the aircraft manufacturer. However when planning to perform the particular repair work it is recommended to consult the aircraft manufacturer in order to verify that the necessary repair was correctly identified and properly prepared.

  • Page 70: Fabric Covering Repair

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 20.3 Fabric covering repair The fabric covering of the wing, flaperons, elevator and rudder is soft and therefore it may be damaged accidentally in operation. If minor damage (holes, cuts or rupture of size less...
  • Page 71 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 Recommended special tools: none. Necessary parts/materials: ORACAL permanent sticking film.

  • Page 72: Composite Parts' Repair

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 20.4 Composite parts’ repair Some parts of the aircraft such as engine cowlings, wheel fairings, wing tips, fin tip, wing root fairings are made of composite materials. Those parts may be damaged in operation accidentally. If during inspection any damage of those parts such as cracks, dents, etc. is found it can be repaired as described below.
  • Page 73 AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 root fairings) make sure to remove the paint from entire area where the repair patches will be applied later. WARNING ! Use protective means (rubber gloves, respirator, protective glasses and clothes) when sanding or working with epoxy adhesive. Make sure the air in the working area is ventilated properly.

  • Page 74: Restoring Of Damaged Paint/Coating

    AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 20.5 Restoring of damaged paint/coating It is recommended to restore the damaged paint/coating in a closed room with ventilation and temperature sufficient for the paint/coating to dry. The parts/components requiring restoring of the paint/coating must be removed from the airplane.

  • Page 75: Feedback Form

    _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________ Enclose all available data including photos, sketches, etc. and send to: AEROPRAKT Manufacturing Sp. z o.o., ul. Zadziele 10, 32-406 Zakliczyn, POLAND, phone: +48 602 215854, e-mail: aleksander.opoczynski@aeroprakt.pl Owner: _____________________________ Contacts: ___________________________ Address: _________________________________________________________________...

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