MAULE Orion M-7-260C Maintenance Manual
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MAULE Orion M-7-260C Maintenance Manual

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FOR
MAULE
M-7-260C
Orion
P/N: TLC-M-7-260C
PERFORMANCE THAT COUNTS!
Page 1 of 38
Rev. C Dated 6-5-19
2099 Georgia Hwy 133 South ~ Moultrie, GA 31788
SMM
Tel: 229-985-2045 ~ Fax: 229-890-2402/985-2048
PC:
www.mauleairinc.com

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Summary of Contents for MAULE Orion M-7-260C

  • Page 1: Cover

    MAULE M-7-260C Orion P/N: TLC-M-7-260C PERFORMANCE THAT COUNTS! Page 1 of 38 Rev. C Dated 6-5-19 2099 Georgia Hwy 133 South ~ Moultrie, GA 31788 Tel: 229-985-2045 ~ Fax: 229-890-2402/985-2048 www.mauleairinc.com...

  • Page 2: Foreword

    The Maule M-7 was designed and built to give you the airplane you have always wanted. It is fast, comfortable, and easy to fly, yet no light airplane is safer than the Maule M-7. Its sturdy construction means you will not have to pamper it to enjoy long years of trouble-free ser- vice.

  • Page 3: Table Of Contents

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C TABLE OF CONTENTS ITEM PAGE Cover………………………………………………………… Foreword..............…... Warranty....…..........….… Table of Contents…............Log of Revisions….............….. SECTION I - GENERAL DATA General Description............….. Design Specification...........….. Fluid Capacities and Specification......…. SECTION II - GENERAL MAINTENANCE Cleaning and Care of Aircraft......…..….

  • Page 4: Log Of Revisions

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C LOG OF REVISIONS Rev. Description Date page(s) Added applicable Serial Numbers 30001C-30006C, 30010C – 30012C to Electrical Schematic on page 26. 09/20/00 Added Electrical Schematic for Serial Numbers 30007C-30009C, 30013C & up. Baggage/Cargo Allowance changed to 125 lb. and 175 lb. Structural Limit.

  • Page 5: Section I - General Data

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C SECTION I GENERAL DATA GENERAL DESCRIPTION: Type: Four/Five place high wing cabin monoplane. Engine Installation: Single tractor engine in nose of fuselage. Wing: Strut braced, two spar, metal covered, modified USA 35-B airfoil. Fi- berglass wing tips.

  • Page 6: Fluid Capacities And Specification

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C DESIGN SPECIFICATIONS: (Cont’d) Wings: Airfoil Modified USA 35-B Chord 63 inches Incidence +30 minutes Dihedral 1.2 degrees Sweepback None Areas: Wing, Aileron and Flaps 165.6 sq.ft. Ailerons (total) 14.2 sq.ft. Flaps (total) 23.9 sq. ft.

  • Page 7: General Maintenance

    Salt water and chemicals act as an electrolyte between dissimilar metals and can start a strong corrosive action over a short period of time. Maule makes every effort to sepa- rate dissimilar metals with primers and coatings during manufacture, but there are some loca- tions (such as rivets in wing skins) where this is impossible.

  • Page 8: Inspection Guides

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C INTERIOR (Cont’d) Textile upholstery may be cleaned using a vacuum cleaner. Grease and oil spots on the upholstery should be treated with a spot remover or dry cleaning fluid. Do not use soap and wa- ter on textile materials.
  • Page 9 MECH INSP 8. Check general condition of Maule tailwheel, leaf springs and spring attachment. Leaf springs should have 45° angle with no weight on the wheel. Check all bolts and nuts holding the tail springs to the fuselage. Tighten nuts, if needed, so that there is no play or side movement in the springs or their attachment.
  • Page 10 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C 5. Clean gascolator screen. 6. Re-torque bolts attaching engine mount-to-fuselage, engine-to-engine mount. Visually inspect mount structure for condition. See "Engine Mount" under "Power Plant System". 7. Inspect induction system and air box for cracks and security.
  • Page 11 NOTE: This aircraft was equipped with sealed struts when manufactured, however, if these struts were replaced in field with unsealed struts, comply with Maule Service Bulletin No. 11 (and AD# 98- 15-18) as required. (New sealed struts are identified by two weld spots located at upper end. Re- moval of the upper cuff is needed to locate the weld spots).
  • Page 12 16. Lubricate door hinges and latches and seat tracks. CAUTION: Carefully inspect all door hinge bolts and nuts for condition and security. If using elastic nuts on door hinges, they must be replaced with castle nuts and cotter pins. Refer to Maule Service Letter No. 61.

  • Page 13: Periodic Maintenance For Me406/406Hm Elt

    22. Ensure that the Airplane Flight Manual is at the current revision level by going online at mauleairinc.com and checking “downloads” on the home page. 23. Ensure that all applicable Airworthiness Directives and Maule Service Letters and Bulletins that are mandatory have been complied with.
  • Page 14 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C Verify the battery expiration date. If the battery pack has not expired it may be reinstalled. The battery pack must be replaced with a new one: • After use in an emergency. • When the transmitter has been in use for more than 1 cumulative hour; (7 flash error) •...

  • Page 15: Weighing Procedure

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C WEIGHING PROCEDURE DETAILED CALCULATIONS OF EMPTY WEIGHT AND EMPTY WEIGHT CENTER OF GRAVITY: PROCEDURE: 1. Place each of the wheels on a scale with the tailwheel elevated to place the airplane in approximately the flight attitude.
  • Page 16 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C Weighing Procedure (Cont’d) The above empty weight includes unusable fuel of 27.6 lbs. at 24 inches and 8 quarts of oil at minus 34 inches, plus all items of equipment as marked on the accompanying Equipment Lists.

  • Page 17: Rigging Procedures

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C RIGGING PROCEDURES 1. LEVELING: Laterally: The airplane can be accurately leveled laterally using the front spar attach bolts. Turn these two bolts so that a flat on the head is "up". Fabricate two equal length spacers (1½...
  • Page 18 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C 5. AILERONS: Adjust the ailerons to streamline position by placing a straight edge on the bottom of the wing chordwise at the inboard end of the aileron. Then adjust the turnbuckles in the aileron system so the control wheels are centered and there is a gap of zero to ¼...

  • Page 19: Lubrication

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C 10. RUDDER TAB: This tab is interconnected with the aileron system to automatically coordinate aileron and rudder controls for simplified handling in the air. (It may be used as a rudder trim tab to make the airplane trim in cruise.) This tab may be adjusted by changing to the position of the tab...

  • Page 20: Fabric Repairs

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C FABRIC REPAIRS: (Applicable to Polyurethane paint on Ceconite fabric only) REPAIRS: Small holes and damaged areas can easily be repaired without removing the existing paint topcoat. Trim the damaged area to a rectangular or circular shape.

  • Page 21: Major Component Parts

    The aft fuselage section is covered with Ceconite fabric and standard dope and paint finish as per Maule Specification S-17. Later models are finished with polyurethane or acrylic urethane paint in accordance with Maule Specifications S-40 or S-41, respectively. This fabric need not be pulled or punch tested.

  • Page 22: Movable Surfaces And Controls

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C MOVABLE SURFACES AND CONTROL AILERONS AND FLAPS: The ailerons and flaps are aluminum alloy structures covered with 2024-T3. The aileron control system consists of a chain drive connecting the two control wheels and is attached to the necessary cables which are routed over pulleys through the fuselage and into the wing section to the aileron horns.

  • Page 23: Landing Gear, Wheels And Brakes

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C LANDING GEAR, WHEELS AND BRAKES MAIN LANDING GEAR: The main landing gear consists of separate left and right side heat-treated (7075-T651) alu- minum spring legs, which are bolted to a square tube truss in the bottom of the fuselage struc- ture.

  • Page 24: Hoisting Wheel Views

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C 24/37 Rev. C...

  • Page 25: Parking Brake Control Adjustment

    18. Reinstall brake calipers and hubcap. BRAKE CYLINDERS: The hydraulic brakes are actuated by two (2) master cylinders, Maule P/N 4046B, on the left side, and two (2) slave cylinders on the right side. Check hydraulic oil level in master brake cylinders, proper level is no closer than ¼ inch to top of cylinder.
  • Page 26 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C With rudder pedals in neutral position, set cable housing to 2 ¼” dimension as shown on drawing below. Pull the parking brake knob out until the nicopress comes in contact with the cable housing.

  • Page 27: Sfs P8 Tailwheel

    Use only the recommended hydraulic fluid. MAULE SFS-P8B TAILWHEEL The Maule SFS-P8B is a Full Swivel Steerable Tailwheel. See Fig. 1 for detailed break- down. If shimmy of the tailwheel becomes a problem, it should be lubricated and adjusted as fol- lows: A.
  • Page 28 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C 4. Clean all of the metal parts in solvent. Inspect all parts and replace any parts that ex- hibit excessive wear. B. SHIM SELECTION 1. Position the bearings (A5) in bracket (71B) and slide the fork (69B) through the bear- ings.
  • Page 29 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C FIGURE 1 D. TAILWHEEL INSTALLATION Check all bolts and nuts holding the tail springs to the fuselage. They must be tight so that there is no play or side movement in the springs or their attachment.

  • Page 30: Power Plant System

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C Install the connector springs, using the heavier spring on the right side. Install the springs so that the light spring is compressed approximately 1/2 to 3/4 inch. Inflate the tire to approximately 45 psi. 20 psi higher pressure may be used if the wheel has no tendency to shimmy.

  • Page 31: Fuel System

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C Baffling should be checked for security and the rubber sealing extensions should be checked for wear and security. When the cowl is installed, these sealing extensions should lay up, forward or inboard, and provide a good seal against the cowl.

  • Page 32: Electrical System

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C ELECTRICAL SYSTEM The electrical system is a 14 or 28 volt, 50 amp, direct current, single wire circuit using the airplane structure as a ground return to the battery. All wiring in the airplane is fabricated into harnesses which are groups of related wires tied together.
  • Page 33 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C Electrical Schematic (For s/n 30001C-30006C, 30010C-30012C) The wire numbering system has been designed to ease tracing a faulty wire. The circuit tracing code is as shown below in the schematic. Wires are plainly labeled near each end.

  • Page 34: Electrical Schematic

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C Electrical Schematic (For s/n 30007C-30009C, 30013C & up) The wire numbering system has been designed to ease tracing a faulty wire. The circuit tracing code is as shown below in the schematic. Wires are plainly labeled near each end.

  • Page 35: Electrical Schematic

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C Electrical Schematic The wire numbering system has been designed to ease tracing a faulty wire. The cir- (28 Volt) cuit tracing code is as shown below in the schematic. Wires are plainly labeled near each end.
  • Page 36 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C Old Style Door Latch Assembly (New improved Door Latch Assemblies are now available and are being installed in present production. Order Part No. 1395X for new improved Door Latch Assembly) 36/37 Rev. C...

  • Page 37: Door Latch (Old Style) Adjustment Procedure

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL M-7-260C Airworthiness Limitations Section The airframe does not have mandatory life limits or overhaul requirements. See Textron Ly- coming Operator's Manual, p/n 60297-9, Initial Revision or later and the Hartzell Owner’s Manual and Logbook, p/n 7998-115N, Revision 14 or later or McCauley Owner’s Manual, p/n MPC-11, Initial Revision or later for the constant speed prop for their airworthiness limitations.

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