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MAULE M-7-235C, Maintenance Manual

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MAULE M-7-235C Maintenance Manual Download Page 4

MAULE AEROSPACE TECHNOLOGY, INC. 

MAINTENANCE MANUAL 

FOR 

M-7-235C

 

 

Rev. D 

 

4/37

 

 
 

LOG OF REVISIONS 

Rev. 

To 

page(s) 

Description 

Date 

A 

iii 

3, 4 

 

9 

 

Added Log of revision page iii. 

Added special maintenance procedures for floatplanes based in 

coastal areas or an otherwise corrosive atmosphere. 

Revised the inspection procedure concerning the horizontal stabilizer 

strut lower attach stub tubes.  

07/19/99 

B 

26 

 

26a 

Added applicable Serial Numbers 25001C-25044C to Electrical 

Schematic on page 26.   

Added Electrical Schematic for Serial Numbers 25045C & up. 

09/20/00 

C 

12 

 

13 

Added caution note when reconnecting elevator cables.  Added vis-

ual inspection of color-coding paint for elevator horns and cables. 

Added 

Periodic Maintenance for ME406/406HM ELT.

 

08/08/08 

D 

12 

Added statement for Service Letter #74. Differentiated between old 
AN and new NAS bolts. Removed NOTE for Service Letter #66. 

06/05/19 

 

 

Summary of Contents for M-7-235C

Page 1: ...M 7 235C Super Rocket P N TLC M 7 235C PERFORMANCE THAT COUNTS Page 1 of 37 Rev D Dated 6 5 19 2099 Georgia Hwy 133 South Moultrie GA 31788 PC SMM Tel 229 985 2045 Fax 229 890 2402 985 2048 www maulea...

Page 2: ...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 parts thereof which sha...

Page 3: ...for ME406 406HM ELT 13 Weighing Procedure 15 Rigging Procedures 17 Lubrication 19 Fabric Repairs 20 SECTION III MAJOR COMPONENT PARTS Wings 21 Lift Struts 21 Fuselage 21 Movable Surfaces and Controls...

Page 4: ...l stabilizer strut lower attach stub tubes 07 19 99 B 26 26a Added applicable Serial Numbers 25001C 25044C to Electrical Schematic on page 26 Added Electrical Schematic for Serial Numbers 25045C up 09...

Page 5: ...ear Hydraulic Brakes Steerable tail wheel Automatic locking Control Systems Dual controls wheels rudder pedals and brakes All con trols directly cable driven Fuel control shut off valve is at the left...

Page 6: ...FLUID CAPACITIES AND SPECIFICATIONS 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 g...

Page 7: ...ing 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 at...

Page 8: ...et 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 s...

Page 9: ...or Brackett air filter 7 Inspect all engine engine mount attach bolts 8 Inspect all engine fuel and oil lines for general condition and security 9 Check all engine compartment electrical connections a...

Page 10: ...fle extensions for security and cracking 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...

Page 11: ...punctures in strut are cause for replacement of the strut NOTE This aircraft was equipped with sealed struts when manufactured Sealed struts are identified by two weld spots located at upper end Remo...

Page 12: ...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 12 CAUTION...

Page 13: ...for floatplanes and banner and glider towing planes MECH INSP 13 Lubricate all chains and points of rotation on sprockets pulleys and bellcranks 14 Inspect and lubricate all control surface hinges an...

Page 14: ...before handling Damage may happen to the exposed electric parts and prevent correct operation of the ELT Refer to ELT Description Operation Installation and Maintenance Manual p n 570 1600 Rev E or l...

Page 15: ...the former expiration date label 2 Lay the battery pack on the work surface with the batteries facing up Install a replacement seal in the slot along the perimeter of the housing Leaving the battery a...

Page 16: ...l with tare ____________Lbs minus tare of ______________ Lbs net Tailwheel wt T of _________________ Lbs Total Weight as Weighed W __________________ Lbs The above empty weight includes unusable fuel...

Page 17: ...uselage 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 on the rivet centerline a...

Page 18: ...wood blocks Es 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...

Page 19: ...ension is 5 to 10 lbs CAUTION Make sure tab is free at extreme aileron travel NOTE The Rudder Trim Control on the instrument panel pulls on a spring attached to the right rudder pedal It is not connec...

Page 20: ...e adhesive 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 secon...

Page 21: ...added WARNING Any unrepairable dents or punctures are cause for replacement of the strut FUSELAGE The fuselage is a welded truss type structure having an integral vertical tail fin Chrome molybdenum s...

Page 22: ...l rod attached to the inboard hinge fittings ELEVATORS The elevator has a chrome molybdenum 4130 internal structure covered with Ceconite fabric Inspect for corrosion Drain grommets should be kept ope...

Page 23: ...l with a light scissors jack or a small bottle jack placed under the lower end of the spring gear leg 3 Remove brake calipers by removing two 2 brake bolts 4 Raise wheel using a hoist with a cable sli...

Page 24: ...MAULE AEROSPACE TECHNOLOGY INC MAINTENANCE MANUAL FOR M 7 235C Rev D 24 37...

Page 25: ...ated 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 inch to t...

Page 26: ...fluid 6 Bleed brakes 7 Master cylinder cup or O ring wear 7 Replace brake cylinder cups and O rings 8 Wheel cylinder leakage 8 Replace wheel cylinder seals DRAGGING BRAKES NOTE These disc brakes have...

Page 27: ...t moderately and note whether or not there is any end play in the bear ings If there is no endplay and no excessive rotational drag shimming will not be re quired If there is any bearing endplay remov...

Page 28: ...semble lock ring 73B arm 6 with lock pin 13AB and spring 14 installed shield 36 and pins 60AB together as a unit Make sure that the key end of lock pin 13AB is properly aligned with the slot in lock r...

Page 29: ...Inflate the tire to approximately 20 psi Higher pressure may be used if the wheel has no tendency to shimmy POWER PLANT SYSTEM The power plant system consists of the engine engine mount propeller cow...

Page 30: ...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 agai...

Page 31: ...e 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...

Page 32: ...14 0 volts with the engine at rpm of 1000 or above Overvoltage protection is incorporated into the alternator control unit which will latch off regulator output after an overvoltage event Reset of la...

Page 33: ...L FOR M 7 235C Rev D 33 37 Electrical Schematic 14V For s n 25001C 25044C The wire numbering system has been designed to ease tracing a faulty wire The circuit tracing code is as shown below in the sc...

Page 34: ...UAL FOR M 7 235C Rev D 34 37 Electrical Schematic 14V For s n 25044C up The wire numbering system has been designed to ease tracing a faulty wire The circuit tracing code is as shown below in the sche...

Page 35: ...NCE MANUAL FOR M 7 235C Rev D 35 37 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 36: ...MAINTENANCE MANUAL FOR M 7 235C Rev D 36 37 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 ne...

Page 37: ...e 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...

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