MAULE Sportplane Trigear MXT-7-180A Maintenance Manual Download

Page: 37 / 39

MAULE AEROSPACE TECHNOLOGY, INC.

MAINTENANCE MANUAL

FOR

MXT-7-180A

Rev. E

37/39

Electrical Schematic

(28 Volt)

The wire numbering system has been designed to ease tracing a faulty wire. The cir-

cuit tracing code is as shown below in the schematic. Wires are plainly labeled near each end.

Summary of Contents for Sportplane Trigear MXT-7-180A

Page 1: ...180A Sportplane Trigear P N TLC MXT 7 180A PERFORMANCE THAT COUNTS Page 1 of 38 Rev E Dated 6 6 19 2099 Georgia Hwy 133 South Moultrie GA 31788 PC SMM Tel 229 985 2045 Fax 229 890 2402 985 2048 www m...

Page 2: ...manufactured by it to be free from de fects in material and workmanship under normal use and service provided however that this warranty is limited to making good at the Maule factory any part or par...

Page 3: ...Procedures 18 Lubrication 21 Fabric Repairs 22 SECTION III MAJOR COMPONENT PARTS Wings 23 Lift Struts 23 Fuselage 23 Movable Surfaces and Controls 24 Landing Gear Wheels and Brakes 25 Hoisting Wheel...

Page 4: ...13 16 19 20 27 Changed to new format Baggage Cargo Allowance changed to 125 lb and 175 lb Structural Limit Areas corrected Added Textron Lycoming and Sensenich Manual part numbers Added Item B 4 the...

Page 5: ...ain gear Hydraulic Brakes Control Systems Dual controls wheels rudder pedals and brakes All con trols directly cable driven Fuel control shut off valve is at the left lower side panel Mechanical flap...

Page 6: ...ONS a Main Fuel Tanks Inboard 100 Octane Right Main Tank 21 5 or 23 8 gallons total Left Main Tank 21 5 or 23 8 gallons total Note 1 5 gallons unusable fuel per 21 5 gallon main tank 2 3 gallons unusa...

Page 7: ...ning product such as Mirror Glaz will keep the glass clean and help polish out minor scratches Experience has shown that airplanes based at coastal airports or where there is an other wise corrosive a...

Page 8: ...set and hard or impossible to re move Set stains should be removed carefully with a clean cloth dampened in denatured alco hol Stains caused by shoe polish can best be removed with turpentine However...

Page 9: ...structure attach bolts 8 Inspect all engine fuel and oil lines for general condition and security 9 Check all engine compartment electrical connections and wires for security and chafing B AIRCRAFT 1...

Page 10: ...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 induct...

Page 11: ...oating exterior of sealed strut assembly remove plug from lower end before painting Oil coat internal walls of strut as follows to be done after painting only Inject into strut approximately one quart...

Page 12: ...d 160 190 on the outer attach bolts These bolts listed on Service Letter 74 are factory installed on MXT 7 180A S N 21098C and up and affects S N s 21001C to 21097C CAUTION Use Steps 9 and 10 above as...

Page 13: ...is found repair in accordance with AC 43 13 1B After repair or if no corrosion is found fill entire tube with silicone rubber to seal tube from moisture Inspect the struts for dents corrosion or punc...

Page 14: ...d from its antenna NOTE All references to maintenance requirements for the United States shall also apply to all ELT users outside of the United States unless otherwise required by the installer aircr...

Page 15: ...e is any evidence of corrosion or leakage of any cell or on the small interface board and connector ELT Battery replacement 1 If replacing the battery pack order replacement kit 455 0012 which contain...

Page 16: ...wheel oleo until the aircraft is level or flatten the tire if necessary 3 Measure the following distances a Wheel base L the horizontal distance from the nosewheel weight point center of axle to the m...

Page 17: ...ht is the above weight less 16 lbs drainable oil at a minus arm of 36 5 inches and for this airplane is ____________lbs The corresponding empty weight center of gravity is ______________inches 5 Calcu...

Page 18: ...om the forward wing to fuselage attach bolt centerline for both left and right wings outboard 127 5 inches along the top of each front wing spar Using masking tape or equivalent tape the string down o...

Page 19: ...s tablish the rudder Neutral Position by measuring and holding a distance of 6 between the backside of the rudder pedal s to the face of the interior firewall Note Make sure the interior firewall insu...

Page 20: ...ound the LH nosewheel axle end routing the string around the front of the nosewheel only excludes the nosewheel forks and continue to route the string on the RH side of the aircraft bringing the strin...

Page 21: ...MIL H 5606E or equivalent 3 Control Column Apply light coat of graphite base lubricant to aileron balance chain torque tube and control guide Use lightweight motor oil or LPS 2 on all other bearings 4...

Page 22: ...esive thinned one to one 1 1 with urethane adhesive thin ner by volume to the primed area slightly larger than the repair patch size Allow this to dry for approximately 15 minutes 8 Apply a second coa...

Page 23: ...efinished See Page 11 for powder coating and re oiling strut WARNING Any unrepairable dents or punctures are cause for replacement of the strut FUSELAGE The fuselage is a welded truss type structure h...

Page 24: ...l rod attached to the inboard hinge fittings ELEVATORS The elevator has chrome molybdenum 4130 internal structure covered with Ceconite fab ric Inspect for corrosion Drain grommets should be kept open...

Page 25: ...teps 1 Chock nosewheel and opposite main wheel 2 Remove brake calipers by removing two 2 brake bolts 3 Raise wheel using a hoist with a cable sling placed under the lower end of the spring gear leg as...

Page 26: ...MAULE AEROSPACE TECHNOLOGY INC MAINTENANCE MANUAL FOR MXT 7 180A Rev E 26 39...

Page 27: ...rs proper level is no closer than inch to top of cylinder Add oil if needed Bleeding brake system may be done as follows 1 Fill reservoir if necessary 2 Replace plug in reservoir 3 Connect a clear pla...

Page 28: ...hieving this spring expansion 6 Recheck operation per Steps 1 and 2 CAUTION Push parking brake knob completely against Instrument panel for OFF position MAINTENANCE HINTS ON HYDRAULIC BRAKES Excessive...

Page 29: ...ign matter in system 1 If dirt is found in the system the master cylinder and brake assemblies must be dismantled and parts cleaned with alcohol and reinstalled Flush system and install new brake flui...

Page 30: ...e nosewheel 8 Close strut valve and safety wire to steering yoke bolt and bearing nut POWER PLANT SYSTEM The power plant system consists of the engine engine mount propeller cowl engine con trols exha...

Page 31: ...tensions 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 BRACKETT AIR FILTER See b...

Page 32: ...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 wh...

Page 33: ...ombinant design which do not require the external vent tube ALTERNATOR AND ALTERNATOR CONTROL SYSTEM To protect the alternator and battery from an overcharge the voltage regulator should be checked fo...

Page 34: ...34 39 Electrical Schematic For s n 21001C 21068C 21070C 21072C 21073C 21075C 21077C 21079C 21081C The wire numbering system has been designed to ease tracing a faulty wire The circuit tracing code is...

Page 35: ...0A Rev E 35 39 Electrical Schematic For s n 21069C 21071C 21074C 21078C 21080C 21082C up The wire numbering system has been designed to ease tracing a faulty wire The circuit tracing code is as shown...

Page 36: ...MAULE AEROSPACE TECHNOLOGY INC MAINTENANCE MANUAL FOR MXT 7 180A Rev E 36 39...

Page 37: ...CE MANUAL FOR MXT 7 180A Rev E 37 39 Electrical Schematic 28 Volt The wire numbering system has been designed to ease tracing a faulty wire The cir cuit tracing code is as shown below in the schematic...

Page 38: ...MAINTENANCE MANUAL FOR MXT 7 180A Rev E 38 39 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 n...

Page 39: ...orthiness 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 Sensenich...

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