MAULE Star Rocket Trigear MXT-7-180 Maintenance Manual

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FOR
MAULE
MXT-7-180
Star Rocket
Trigear
Performance That Counts!
P/N: TLC-MXT-7-180
Page 1 of 37
Rev. F Dated 6-6-19
2099 Georgia Hwy 133 South ~ Moultrie, GA 31788
SMM
PC:
Tel: 229-985-2045 ~ Fax: 229-890-2402/985-2048
www.mauleairinc.com

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Summary of Contents for MAULE Star Rocket Trigear MXT-7-180

  • Page 1: Cover

    MAULE MXT-7-180 Star Rocket Trigear Performance That Counts! P/N: TLC-MXT-7-180 Page 1 of 37 Rev. F Dated 6-6-19 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 MXT-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 MXT-7. Its sturdy construction means you will not have to pamper it to enjoy long years of trouble-free service.
  • Page 3: Table Of Contents

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 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 MXT-7-180 LOG OF REVISIONS Rev. Description Date page(s) Added Log of revision page iii. 3, 4 Added special maintenance procedures for floatplanes based in coastal areas or an otherwise corrosive atmos- 07/19/99 phere. Revised the inspection procedure concerning the horizontal stabilizer strut lower attach stub tubes.
  • Page 5: Section I - General Data

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 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 MXT-7-180 DESIGN SPECIFICATIONS: (Cont’d) Wings: Airfoil Modified USA 35-B Chord 63 inches Incidence +30 minutes 1.2 degrees Dihedral Sweepback None Areas: 173.7 sq.ft. Wing, Aileron and Flaps 14.2 sq.ft. Ailerons (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 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 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: Inspection Guides

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 INSPECTION GUIDES At 25 Hour Total Time, perform 50 Hour Inspection as described below: At 50 Hour Total Time and every 50 hours thereafter: A. POWER PLANT MECH INSP 1. Perform appropriate inspection as called for in the Textron Lycoming Operator's Manual, p/n 60297-12, Revision No.
  • Page 10 CAUTION: If cable guide tubes are not installed and if backside of kick panel shows evidence of rud- der cable rub and tape has not been placed, comply with Maule SB#14 and #17. 2. Examine all front cockpit electrical connections and wires, fuel lines and fittings, control cable attachments and pulleys for security, leaks, chafing, etc.
  • Page 11 Removal of the upper cuffs is needed to locate weld spots). CAUTION: Item (a)(4) of AD#98-15-18 is very misleading as Maule never drills holes in struts to at- tach cuffs, door clips or any hardware and it is illegal to do so since there are no approved holes in the wing struts under the TC data.
  • Page 12 NOTE: Check top side of rear elevator horn and cable and bottom side of forward elevator horn and cable if yellow color-coding paint is visible. If missing, paint per Maule Service Bulletin No. 30. 13. CAUTION: At inspection hole in tail, visually check the pivoting action at the control cable attachment points over the full range of rudder and elevator travel.
  • Page 13 Inspect the struts for dents, corrosion, or punctures and replace if necessary. Reinstall struts with new hardware and document in aircraft records. NOTE: Double struts, available through Maule, are recommended for floatplanes and banner and glider towing planes. MECH INSP 15.
  • Page 14: Periodic Maintenance For Me406/406Hm Elt

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 25. Ensure that all applicable Airworthiness Directives and Maule Service Letters and Bulletins that are mandatory have been complied with. PERIODIC MAINTENANCE FOR ME406/406HM ELT FOR THE US In the United States, minimum maintenance requirements for ELTs are stated in FAR 91.207 para-...
  • Page 15: Weighing Procedure

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 • On or before the battery replacement (expiration) date. • There is any evidence of corrosion or leakage of any cell or on the small interface board and connector. ELT Battery replacement: If replacing the battery pack, order replacement kit 455-0012 which contains the battery pack (452-6499), replacement gasket, hardware and labels.
  • Page 16 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 PROCEDURE: Place each of the wheels on a scale with the airplane in approximate level flight atti- tude. Place a level on the leveling mark and leveling lug on the bottom of the right wing near the root.
  • Page 17: Rigging Procedures

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 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 MXT-7-180 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 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 9. ELEVATOR TRIM: Elevator trim tab movement is 12° ± 2° up, 38° ± 2° down. If adjustment is needed, it may be done at the turnbuckles located just aft of the trim control. Proper cable tension is 15 to 25 lbs.
  • Page 20: Lubrication

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 LUBRICATION 1. Main wheel and nosewheel bearings - Use aircraft quality bearing grease. 2. Hydraulic brake reservoirs - Use Texaco Aircraft Hydraulic Oil 15 conforming to MIL-H-5606E, or equivalent. 3. Control Column - Apply light coat of graphite base lubricant to aileron balance chain, torque tube and control guide.
  • Page 21: Fabric Repairs

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 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 22: 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 23: Surfaces And Controls

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 SURFACES AND CONTROLS 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 24: Landing Gear, Wheels And Brakes

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 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 25: Hoisting Wheel Views

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 25/37 Rev. F...
  • Page 26: Parking Brake Control Adjustment

    17. 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 27 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 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 28: Nosewheel And Nosewheel Oleo Strut

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 Lack of fluid in reservoir Air will enter system if the reservoir runs dry. In- spect at regular intervals and keep reservoir full at all times. Vent plug stopped up If vent hole in reservoir plug becomes stopped,...
  • Page 29: Power Plant System

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 Service the nosewheel oleo strut as follows: 1. Remove the strut valve from the top of the oleo. 2. With strut compressed, fill with hydraulic oil per Section I. 3. Extend and compress strut several times to expel air. Refill to top with oil.
  • Page 30 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 An extremely close visual inspection of the engine mount should be made to periodically check for cracks, dents, weld failures, etc., of the mount tubular members as well as the gen- eral condition of the mount. At regular intervals, the attaching bolts at the engine should be checked for tightness (required torque value of 40.0-57.5 ft.
  • Page 31: Fuel System

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 Remove Heater Shells, check mufflers and tailpipes for cracks. Check attachments for security. Note that the tailpipe clamps and the muffler-to header attachments should not be tightened to the point of rigidity, but should be loose enough to be moved easily by hand.
  • Page 32 MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 A lead plate type storage battery rated at 12 or 24 volts is installed in the battery frame as- sembly behind rear cabin bulkhead or on forward side of firewall. The battery supplies current for the airplane electrical system when the master switch is in the “ON”...
  • Page 33: Electrical Schematic

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 Electrical Schematic (for s/n 14000C-14096C) 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 MXT-7-180 Electrical Schematic (for s/n 14097C & 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 MXT-7-180 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: Door Latch (Old Style) Adjustment Procedure

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 Old Style Door Latch Assembly (New improved Door Latch Assemblies became available in 2007 and are being in- stalled in production. Order Part No. 1395X for new improved Door Latch Assembly) 36/37 Rev. F...
  • Page 37: Airworthiness Limitations Section

    MAULE AEROSPACE TECHNOLOGY, INC. MAINTENANCE MANUAL MXT-7-180 Airworthiness Limitations Section The airframe does not have mandatory life limits or overhaul requirements. See Textron Ly- coming Operator's Manual, p/n 60297-12, Revision No. 60297-12-6 or later for the engine and the Hartzell Owner’s Manual and Logbook, p/n 115N, Revision 10 or later for the constant speed prop for their airworthiness limitations.

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