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9/02 

 
 
 
 
 
 
 
 

 

 

 
 

 
 
 
 

FOR 

MAULE 

MT-7-420

 

 

Starcraft Turbo-Prop

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 
 
 

P/N: TLC-MT-7-420

 

 

 

 

 

 

PERFORMANCE THAT COUNTS! 

2099 Georgia Hwy 133 South ~ Moultrie, GA 31788 

Tel: 229-985-2045 ~ Fax: 229-890-2402 ~ www.mauleairinc.com 

 

Summary of Contents for Starcraft Turbo-Prop MT-7-420

Page 1: ...9 02 FOR MAULE MT 7 420 Starcraft Turbo Prop P N TLC MT 7 420 PERFORMANCE THAT COUNTS 2099 Georgia Hwy 133 South Moultrie GA 31788 Tel 229 985 2045 Fax 229 890 2402 www mauleairinc com...

Page 2: ...within ninety 90 days after delivery of such airplane to the original purchaser be returned to Maule with transportation charges prepaid and which upon Maule s examination shall dis close to its sati...

Page 3: ...6 RIGGING PROCEDURES 17 LUBRICATION 19 FABRIC REPAIRS 19 SECTION III 21 MAJOR COMPONENT PARTS 21 WINGS 21 LIFT STRUTS 21 FUSELAGE 21 SURFACES AND CONTROLS 22 LANDING GEAR WHEELS AND BRAKES 23 NOSEWHE...

Page 4: ...9 02 LOG OF REVISIONS To Page s Description Date A 8 Added statement for Service Letter 74 Differentiated between old AN and new NAS bolts 06 05 19...

Page 5: ...ntrol Systems Dual controls wheels rudder pedals All controls directly cable dri ven Fuel control shut off valve is at the interior left lower side panel Mechanical flap and trim controls are at the c...

Page 6: ...utboard Right Auxiliary Tank 21 0 gallons Left Auxiliary Tank 21 0 gallons c Engine Oil Mil L 7808 and later and Mil L 23699 and later 10 quart max d Brakes Texaco Aircraft Hydraulic Oil 15 MIL H 5606...

Page 7: ...se a gradual power reduction consequently this AVGAS mixture should be used only for cold weather operation During op eration with normal Jet A type fuel the lead will slowly dissipate Engine Oil Spec...

Page 8: ...lison 250 BI7 Engine Operations and Maintenance Manual Publication 11W2 for ap proved oils paragraph 1 74 WARNING MIXING OF OILS WITHIN AN OIL SERIES BUT NOT IN THE SAME GROUP IS PERMITTED ONLY IN AN...

Page 9: ...st After cleaning polishing with a good Plexiglas cleaning product such as Mirror Glaze will keep the glass clean and help polish out minor scratches Experience has shown that airplanes based at coast...

Page 10: ...rpentine However such cleaning agents are liable to affect the dust repellent finish of the vinyl if used in excess of the actual requirements Never use volatile solvents such as lacquer thinner aceto...

Page 11: ...amination and water At 100 Hours Total Time and every 100 Hours thereafter perform the 50 hour inspection plus the following 1 Remove right and left kick panels in cockpit windshield side post covers...

Page 12: ...L 58 8 Remove wheels and inspect wheels tires brake disc bearings brake lines and brake pad for wear cuts chafing leaks and general condition Repack wheel bear ings 9 Remove landing gear top fairings...

Page 13: ...e LPS 3 Heavy Duty Rust Inhibitor Black Bear Co preferred LPS Laboratories Inc Long Island City NY Tucker GA NOTE Maule Service Bulletin No 9 covers corrosive resistant parts replacement and is partic...

Page 14: ...ction possibly resulting in personnel death or injury 100 HOUR INSPECTION Item Reference Inspection Maintenance Action 1 N A Inspect the engine for loose or missing bolts broken or loose connections s...

Page 15: ...ps for proper installation condition and torque 12 3 235 Wet spline starter generator gearshafts new production or those replaced in accordance with the Allison Commercial En gine Bulletin 250 B17TP C...

Page 16: ...7 Table III I0 Drain oil system and refill remove clean and reinstall the oil filter and magnetic drain plugs 300 Hour Inspection In addition to the 100 hour and appropriate 200 hour inspection items...

Page 17: ...e fuel pump driveshaft on Sundstrand single element pumps for spline wear NOTE This inspection not required on TRW pumps 600 HR 3 89 Make an installation rotating balance of the engine and propeller a...

Page 18: ...170 6 Oil flow from P T scavenge passage or external sump and G P scav enge pas sage Measure oil flow 100 hr max Follow procedures in Oil Flow Measurement para 3 178 7 Magnetic drain plugs Inspect an...

Page 19: ...page is the momentary or complete interruption in the rotation of the air craft propeller and engine drive system when the aircraft propeller comes in contact with the ground water trees or other obst...

Page 20: ...een operated with inlet air restricted due to foreign objects or materials which have become lodged in the compressor inlets Tag the replaced compressor to show that the cause of removal was inlet air...

Page 21: ...on the top of each wing from wingtip to wingtip at the front spar location Measure from the forward wing to fuselage attach bolt centerline for both left and right wings outboard 127 5 inches along t...

Page 22: ...dle at fully retracted handle down position for negative 7 1 up and 24 3 down for second notch and 40 3 down for third notch Adjustment if needed may be accomplished by adjusting turnbuckles located a...

Page 23: ...er pedal It is not connected to the tab on the rudder LUBRICATION 1 Main wheel and nosewheel bearings Use good quality wheel bearing grease 2 Control Column Apply light coat of graphite base lubricant...

Page 24: ...ve and lay the patch in the wet bed of adhesive smoothing the edges while applying a topcoat of the thinned urethane ad hesive working he edges down Allow to dry at least 8 hours prior to any shrinkag...

Page 25: ...lied After the primer is dried a finish coat of the desired color may be added WARNING Any unrepairable dents or punctures are cause for replacement of the strut See also page 8 item 7 FUSELAGE The fu...

Page 26: ...tached to the inboard hinge fittings ELEVATORS The elevator has chrome molybdenum 4130 internal structure covered with Ceconite fabric Inspect for corrosion Drain grommets should be kept open The hing...

Page 27: ...issors jack or a small bottle jack placed about 2 inboard of brake mount plate 3 Remove brake calipers by removing two 2 brake bolts 4 Remove hubcap cotter pin and retainer nut 5 Remove wheel 6 Deflat...

Page 28: ...er 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 plastic tube to the bleeder valve with the free end of the...

Page 29: ...ng air mixed with fluid Bleed brakes 7 Master cylinder cup or O ring wear Replace brake cylinder cups and O rings 8 Wheel cylinder leakage Replace wheel cylinder seals DRAGGING BRAKES NOTE These disc...

Page 30: ...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 w...

Page 31: ...ection Care should be exercised to prevent the rubber mount s contact with oil as this may result in their premature deterioration When torquing any engine or mount bolts precaution should be taken ag...

Page 32: ...iring diagram is shown at the end of this manual CAUTION Addition s of electrical equipment must not cause the total load to exceed 100 am peres BATTERY A lead plate type storage battery rated at 24 v...

Page 33: ...to the ammeter located in the left side of the instrument panel Should the generator of warning light illuminate move generator switch from OFF to reset to ON If system will not reset investigate the...

Page 34: ...NTENANCE MANUAL FOR MT 7 420 9 02 30 ELECTRICAL SCHEMATIC Sheet 1 of 3 The wire numbering system has been designed to ease tracing a faulty wire The code is as shown below the schematic Wires are plai...

Page 35: ...MAULE AEROSPACE TECHNOLOGY INC MAINTENANCE MANUAL FOR MT 7 420 9 02 31 ELECTRICAL SCHEMATIC Sheet 2 of 3 28 Volt...

Page 36: ...MAULE AEROSPACE TECHNOLOGY INC MAINTENANCE MANUAL FOR MT 7 420 9 02 32 ELECTRICAL SCHEMATIC Sheet 3 of 3 28 Volt...

Page 37: ...MAULE AEROSPACE TECHNOLOGY INC MAINTENANCE MANUAL FOR MT 7 420 9 02 33 DOOR LATCH PROCEDURE...

Page 38: ...its or overhaul requirements See Textron Ly coming Operator s Manual p n 60297 12 Revision No 60297 12 6 or later and the Hartzell Owner s Manual and Logbook p n 115N Revision 10 or later for the cons...

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