Cessna 150M - Stringer and Channel Repair

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RIVETS

EACH SIDE

DAMAGED

AREA

CLEAN

OUT

DAMAGED

AREA

A-A

MS20470AD4 RIVETS

I I ORIGINAL PARTS

tntNMW]

REPAIR

PARTS

REPAIR

PARTS

CROSS SECTION

DOUBLER

2024-T4

ALCLAD

RIVET

SPACING

MATCH

PATTERN

SKIN

STRINGER

R -

2024-T4

ALCLAD

Figure

18-5.

Stringer

and

Channel

Repair

(Sheet 1 of 4)

18-20

Main Page

Table of Contents3
Cross Reference Listing of Popular Name Vs. Model Numbers and Serials4
General Description7
Aircraft Specifications8
Fuselage Stations9
Wing Stations9
Recommended Nut Torques10
Torque Values10
Ground Handling, Servicing, Lubrication and Inspection13
Tow Bar13
Table of Contents13
Jacking and Leveling14
Jacking Information15
Hoisting17
Leveling17
Parking17
Tie-Down17
Temporary Storage17
Inspection During Storage18
Returning Aircraft to Service18
Indefinite Storage18
Indefinite Storage19
Inspection During Storage19
Returning Aircraft to Service19
Servicing20
Fuel Drains20
Carburetor Drain Plug Inspection20
Engine Induction Air Filter21
Vacuum System Filter22
Battery22
Tires22
Tie-Down Details22
Nose Gear Shock Strut23
Nose Gear Shimmy Dampener23
Hydraulic Brake Systems23
Cleaning23
Windshield and Windows23
Hydraulic Fluid24
Recommended Fuel24
Recommended Engine Oil24
Daily25
First 25 Hours25
50Hours25
100 Hours26
200 Hours26
500 Hours26
Aluminum Surfaces27
Engine and Engine Compartment27
Upholstery and Interior27
Propeller27
Lubricants29
Inspection Requirements32
Inspection Charts32
Inspection Program Selection32
Inspection Guide Lines33
Engine Run- up34
Engine Compartment35
Propeller35
Special Inspection Items39
Lubrication39
Fuselage41
Windshield and Windows41
Repairs41
Scratches41
Cracks42
Windshield and Rear Window43
Windshield44
Windows44
Cabin Door and Movable Window45
Cabin Door Latch46
Cabin Door Latches47
Lock47
Auxiliary47
Cabin Upholstery47
Forward Seats48
Soundproofing50
Seat Belt and Harness Installation51
Cabin Headliner Removal and Installation53
Auxiliary Seat53
Seat and Harness Installation55
Rear View Mirror Installation57
Upholstery Side Panels57
Carpeting57
Baggage Compartment Upholstery57
Wings and Empennage59
Wing Installation60
Wing Struts61
Fin61
Horizontal Stabilizer61
Wing Strut62
Vertical Fin63
Landing Gear and Brakes67
Landing Gear68
Trouble Shooting68
Main Landing Gear69
Step Bracket Installation72
Main Wheel Speed Fairing Removal and Installation72
Removal (Flat Gear)72
Installation (Flat Gear)72
Main Wheel Speed Fairing73
Removal and Installation of Main Landing Gear Fairings74
Main Wheel Removal75
Main Wheel Inspection and Repair75
Main Wheel Reassembly75
Disassembly (Mccauley)75
Main Wheel and Brake77
Aluminum Flange)78
Main Wheel Installation79
Main Wheel Axle Removal (Flat Gear)79
Main Wheel Axle Removal80
Main Wheel Axle Installation80
Main Wheel Alignment81
Wheel Balancing81
Trouble Shooting81
Nose Gear81
Top View of Toe-In Check82
Front View of Camber Check82
Nose Gear Removal and Installation83
Nose Wheel Speed Fairing Removal and Installation83
Nose Gear Installation84
Nose Wheel Removal and Installation85
Nose Wheel Disassembly85
Nose Wheel Inspection and Repair85
Nose Wheel Reassembly85
With Thru-Bolts)85
Nose Wheel Speed Fairing86
Thru-Bolts)87
Wheel with Capscrews)87
Capscrews)88
Nose Gear Shock Strut Disassembly90
Nose Gear Shock Strut Reassembly90
Wheel Balancing90
Torque Links91
Shimmy Dampener91
Nose Wheel Steering System92
Steering Rod Assembly92
Nose Wheel Steering Adjustment92
Brake System92
Trouble Shooting92
Brake Master Cylinders93
Brake Master Cylinders Removal and Installation93
Brake Master Cylinder Repair93
Hydraulic Brake Lines93
Brake System Bleeding96
Parking Brake System96
Aileron Control System97
Removal and Installation98
Control "Y" Installation100
Aileron and Bellcrank Installation101
Cables and Pulleys102
Rigging102
Wing Flap Control System105
Repair105
Flap Motor and Transmission Assembly108
Drive Pulleys108
Flaps108
Flap Motor and Transmission Installation109
Flap Installation112
Elevator Control System117
Elevators118
Bellcranks118
Elevator Installation121
Elevator Trim Control System123
Trim Tab124
Trim Tab Actuator124
Trim Tab Free-Play Inspection127
Elevator Trim Tab Actuator Assembly129
Elevator Trim Tab Travel Adjustment129
Trim Tab Control Wheel130
Rudder Control System131
Rudder Pedals Installation135
Rudder Installation136
Rudder Pedal Assembly136
Checking Rudder Travel137
Engine139
Engine Cowling139
Engine Cleaning and Inspection140
Engine Repair140
Engine Data141
Accessories Removal147
Engine Build-Up147
Upper Engine Mount-To-Firewall148
Flexible Fluid Hoses148
Engine Mount Details148
Statis Run-Up Procedures149
Baffles149
Engine Mount149
Engine Oil System150
Engine Oil Schematic150
Full-Flow Oil Filter152
Filter Element Removal and Installation152
Wrench Adapter Fabrication154
Adapter Removal155
Adapter Installation155
Engine Fuel System155
Carburetor Removal and Installation155
Induction Air System156
Ignition System156
No. 1 Magneto Outlet156
Magneto Removal157
Internal Timing157
Replacement Interval157
Magneto Installation and Timing to Engine157
Ignition Schematic158
Magneto Check159
Maintenance159
Spark Plugs159
Engine Controls159
Throttle Control160
Mixture Control160
Carburetor Heat Control161
Starting System161
Primary Maintenance164
Extreme Weather Maintenance164
Cold Weather164
Ground Service Receptacle165
Hot Weather165
Dusty Conditions165
Seacoast and Humid Areas165
Fuel System167
Fuel System Schematic169
Fuel Tank171
Fuel Quantity Transmitters173
Fuel Vents173
Fuel Shut-Off Valve173
Fuel Strainer173
Priming System174
Propeller and Spinner Installation176
Utility Systems179
Heating, Defrosting, and Ventilating Systems180
Defroster System182
Ventilating System182
Instruments and Instrument Systems183
Typical Instrument Panel184
Instruments187
Pitot and Static Systems187
Statis Pressure System Inspection and Leakage Test187
Removal187
Installation188
Blowing out Lines189
Removal and Installation of Components189
True Airspeed Indicator190
Static Test Equipment191
Trouble Shooting-Altimeter192
Trouble Shooting-Vertical Speed Indicator.192
Trouble Shooting--Pitot Tube Heater193
Pitot Tube Alignment193
Vacuum System193
Pitot Tube Alignment Template194
Vacuum System197
Trouble Shooting--Vacuum Pump198
Vacuum Relief Valve Adjustment198
Engine Indicators198
Tachometer198
Oil Temperature Gauge199
Oil Pressure Gauge199
Trouble Shooting199
Fuel Quantity Indicating System200
Trouble Shooting200
Transmitter Calibration201
Hourmeter201
Magnetic Compass201
Accelerometer202
Stall Warning System202
Turn-And-Slip Indicator203
Trouble Shooting203
Turn Coordinator204
Trouble Shooting204
Wing Leveler Control System205
Electric Clock206
Wing Leveler206
Rigging206
Electrical Systems207
Electrical Power Supply System207
Bus Bar208
Master Switch208
Ammeter208
Battery Power System208
Testing the Battery210
Charging the Battery210
Battery Box210
Battery Contactor210
Battery, Battery Box and Battery Contactor Installations211
Battery Contactor Closing Circuit212
Alternator212
Ground Service Receptacle and Battery Contactor Closing Circuit Installations213
Alternator Installation214
Over-Voltage Warning System215
Troubleshooting the Alternator System215
Voltage Regulator217
Voltage Regulator Installation218
Aircraft Lighting System219
Electrical Switch and Fuse Panel219
Landing and Taxi Light Installation and Adjustment225
Landing and Taxi Lights230
Landing and Taxi Light230
Dual Landing and Taxi Lights230
Navigation and Anti-Collision Strobe Lights Installation231
Flashing Beacon Light Installation233
Flashing Beacon234
Instrument and Dome Lights234
Transistorized Light Dimming234
Instrument and Dome Light Console Installation235
Transistorized Light Dimming Installation237
Compass and Radio Dial Lighting239
Control Wheel Map Light239
Pitot Heater239
Cigar Lighter239
Control Wheel Map Light Installation240
Emergency Locator Transmitter.243
Transmitter Life243
Checkout Interval243
Emergency Locator Transmitter Installation244
Electrical Load Analysis Chart248
Structural Repair249
Wing, Horizontal Stabilizer Angle Of-Incidence and Wing Twist250
Wing250
Wing Skin250
Wing Stringers251
Wing Auxiliary Spars251
Wing Ribs251
Wing Spars251
Wing Leading Edge252
Bulkheads253
Repair after Hard Landing253
Replacement of Hi-Shear Rivets253
Firewall Damage253
Wing and Fuselage Support Stands254
Repair of Glass-Fiber Constructed Components254
Measuring Wing Twist255
Balancing Procedures256
Control Surface Balancing256
Balancing Beam257
Control Surface Balance Requirements260
Corrugated Skin Repair261
Skin Repair262
Stringer and Channel Repair268
Rib Repair272
Wing Spar Repair274
Auxiliary Spar Repair277
Leading Edge Repair278
Flap Leading Edge Repair279
Access Hole Installation280
Firewall Angle Repair281
Exterior Painting283
Wiring Diagrams285

Cessna 150M - Stringer and Channel Repair

Table of Contents

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