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DHC-4 CARIBOU
De Havilland DHC-4 CARIBOU Manuals
Manuals and User Guides for De Havilland DHC-4 CARIBOU. We have
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De Havilland DHC-4 CARIBOU manual available for free PDF download: Maintenance Manual
De Havilland DHC-4 CARIBOU Maintenance Manual (1084 pages)
Brand:
De Havilland
| Category:
Tools
| Size: 62.51 MB
Table of Contents
Table of Contents
13
General
15
General Description
15
Airframe Station Location
15
Access and Inspection
15
Winterization Kit
15
Ground Handling
19
Hoisting
24
Jacking
24
Leveling
24
Parking
24
Landing Gear Ground Locks
28
Mooring
28
Covers
32
Towing
34
External Power Receptacle
35
Hydraulic Ground Test Connections
35
Winter Operation Ground Handling
35
Paragraph
35
Servicing
35
Fuel System
35
Oil System
39
Hydraulic System
39
Emergency Air Bottles
40
Landing Gear Shock Struts
40
Tires
43
Changing Main Wheels
44
Changing a Nosewheel
44
De-Icing System
45
Oxygen System
45
Aircraft Battery
45
Pitot-Static and Thrust Indicating Systems
46
A Reversible Propeller
46
Lubrication
46
Cleaning
46
Special Tools and Equipment
51
General
57
Body Group
61
Cabin Eitlergency Door
61
Passenger Doors
64
Passenger Doors
66
Draftproof Door
66
Cargo Doors
68
Cargo Doors Switch Panels
68
Ramp Door
69
Bevel Gear Units
74
Adjustment of Raitlp Door Operating Gear
75
Adjustment of Raitlp Door Fairing
75
Cargo Door
75
Cargo Door Operating Gear
78
Cargo Door Actuator
79
Cargo Door Jettison Gear
81
Windshield
82
Windshield Wiper Systeitl
85
Converters
88
Resistor
88
Windshield Wiper Motor
88
Canopy Windows
90
Sliding Windows
91
Side Windows
93
A Auxiliary Seat for Third
99
Forward Facing Utility Seats
99
Side Facing Military Type Utility Seats
99
2-38A
99
Airline Type Seats
99
Litters
99
Cabin Floor Panels
101
Portable Fire Extinguishers
102
First Aid Kits
102
Special Order Coitlfort Provis Ions
102
Relief Tubes
102
Slide
103
Cabin Ladder
103
Airstair Door
103
Racks
103
Map and Data Cases
103
Air Delivery Provisions
105
A Luggage Racks
105
Wing Group
105
General
105
Wing Center Section
105
Nacelles
105
Wing Joint
108
Wing Center Section Leading Edge
108
Outer Wing
108
Outer Wing Leading Edge
112
Wing Tip
113
Vertical Stabilizer
115
Vertical Stabilizer Cap
115
Flight Controls
115
General
115
General Rigging Instructions
116
Tensioning of Control Cables
118
Inspection of Control Cables
119
Control Columns
123
Ailerons
130
Aileron Cables
132
Rigging of Aileron System
136
Aileron Trim Tab
139
Aileron Trim Tab Actuator
139
Aileron Trim Tab Switch
139
Aileron Trim Tab Position
142
Aileron Geared Tabs
142
Aileron-Rudder Interconnect
142
Tab
142
Cables
145
Rigging of Aileron-Rudder Interconnect Tab System
145
Wing Flap System
145
Trailing Flaps
147
Fore Flaps
148
Removal and Installation of Flap Push-Pull Rods and Flap
150
Rigging of Wing Flap System
151
Wing Flap Actuator
153
Wing Flap Hydraulic Circuit Filter
154
Bleeding of Wing Flap Hydraulic Circuit
157
Wing Flap Selector Lever
157
Wing Flap Position Indicator System
159
Wing Flap Position Indicators
159
Reduction Unit
159
Horizontal Stabilizer System
162
Horizontal Stabilizer Actuator
163
Right-Angled Gearbox
168
Universaljoints
168
Rigging of Horizontal Stabilizer System
169
Elevator System
169
Elevators
171
Elevator Cables
173
Elevator Spring Tab
176
Elevator Torque Tube and Spring Tab Mechanism
176
Rigging of Elevator and Spring Tab System
177
Elevator Trim Tab System
177
Elevator Trim Tab
179
Elevator Trim Tab Actuator
180
Elevator Trim Tab Handwheel Assembly
181
Elevator Trim Tab System Torque Tube and Cable Drum Assembly
183
Rigging of Elevator Trim Tab System
188
Rudder System
189
Rudder Pedal Assemblies
189
Rudder Pedals Interconnecting Rod
190
Rudder Pedals Adjustment Control
192
Rudder Quadrant Hub Assembly
192
Rudder Stop Lever and Bellcrank Hub Assembl y
192
Rudder
194
Rudder Cables
194
Rudder Spring Tab System
196
Rudderspringtab
196
Rudder Operating Lever and Spring Tab Mechanism
198
Rigging of Rudder and Spring Tab System
199
Rudder Trim Tab System
199
Ruddertrimtab
201
Rudder Trim Tab Actuator
201
Rudder Trim Tab Handwhee1 Assembly
203
Rudder Trim Cables
204
Rigging of Rudder Trim Tab System
206
Gust Lock System
206
Gust Lock Handle Assembly
208
Aileron Gust Lock Mechanism
211
Elevator Gust Lock Mechanism
211
Rudder Gust Lock Mechanism
212
Gust Lock Chains and Cables
213
Rigging of Gust Lock System
216
Landing Gear Selector Valve
221
Landing Gear Selector Lever
225
Main Gear
225
Main Gear Shock Strut Cylinder
231
Main Gear Retraction Actuator
238
Main Gear Shortening Mechanism
238
Main Gear Drag Strut
240
Main Gear Drag Strut
244
Main Gear Stabilizer
245
Main Gear up Lock
245
Main Gear Emergency Extension System
248
Main Wheels
248
Wheel Brakes System
251
Wheel Brakes Units
252
Wheel Brakes Hydraulic Accumulator
258
Wheel Brakes Hydraulic Pressure Gage (Pre Mod 4/1281)
258
Transmitter (Mod 4/1281)
258
Wheel Brakes Control Valves
259
Linkage
259
Wheel Brakes Shuttle Valves
261
Wheel Brakes System Check and Relief Valves
264
Checking the Wheel Brakes Hydraulic Circuit
264
Parking Brake
264
Wheel Brakes Emergency System
266
Wheel Brakes Emergency Lever
267
Wheel Brakes Emergency Air Bottle
267
Wheel Brakes Emergency Air Pressure Gage
268
Wheel Brakes Emergency Air Control Valve
268
Main Gear Doors
268
Nose Gear
273
Nose Gear Shock Strut
276
Nose Gear Drag Strut
281
Nosewheel Steering System
283
Nosewheel Steering Actuator
287
And Check Valve
288
Bleeding the Nosewheel Steering System
288
Nosewheels
288
System
288
Nose Gear Doors
298
Landing Gear Function Test
298
Bleeding the Landing Gear Hydraulic Circuit
303
General
303
Switch
304
Switches
304
Main Gear up Lock Microswitches
310
Nose Gear Weight Switch
310
Nose Gear down Lockmicroswitch
311
Nose Gear up Lock Microswitch
312
Landing Gear Warning Horn
312
Paragraph 1.18
316
Normal Hydraulic System
316
General
316
Hydraulic Reservoir
321
Hydraulic Reservoir Venting System
322
Hydraulic Reservoir Venting System Filter
322
Hydraulic Reservoir Venting System Check Valve
324
Engine-Driven Hydraulic Pumps
324
Hydraulic Emergency Shutoff Valves
325
Hydraulic System Filters
326
Main Line Filter
326
Emergency Hydraulic System and Wing Flap Hydraulic Circuit Filters
327
Maintenance - Hydraulic System Filters
327
Hydraulic Pressure Shutoff Valve
329
Hydraulic Low Pressure Warning Lights
332
Hydraulic Pressure Switches
332
Hydraulic System Pressure Relief Valve
333
Hydraulic Ground Test Connections
335
Emergency Hydraulic System
335
General
335
Hydraulic Handpump
337
Hydraulic Emergency Selector Panel
338
Selector Valves
338
Emergency System Filter
341
Emergency System Relief Valve
341
General
345
Heating and Ventilating
345
Heating Control Panel
345
Flight Compartment Heating System
345
Flight Compartment Heater
347
Exhaust Stack and Deflector as Sem.bly
370
Flight Compartment Air Selector Valves
371
Flight Compartment Fans
372
Flight Compartment Ventilating System
374
Cabin Ventilating System
375
Heater Fuel System
376
Heater Fuel Pump
376
Heater Fuel System Relief Valve
376
Heater Fuel Shutoff Valve
377
Cabin Heating System
381
Cabin Heater Package
391
Heater Ignition Unit
393
Shielded Ignition Lead
393
Cabin Heater Air Bypass Duct
393
Cabin Ram Air Pressure Switch
393
Fuel Control Unit
400
Downstream Air Moisture Trap
400
Cabin Air Control Valves
401
Cycling Switch
402
A Rate-Of-Rise Control Switch
402
High Limit Switch
402
Surge Limit Switch
402
Cabin Duct Thermostat
403
Cabin Thermostat
403
Cabin Heating System Relays
403
Cabin Temperature Control Box
405
Cabin Ram Air Intake Ducts
405
Exhaust Stack Assembly
406
Cabin Air Selector Valves, Actuator, and Linkage
407
Cabin Fans
409
General
415
Engine Fire Detecting System
415
Fire Detecting Elements
418
Emergency Panel
423
Fire Detection Test Switch
424
Engine Fire Detecting System Function Test
424
Heater Fire Detecting Systems
425
Fire Extinguisher Bottles
427
Engine Fire Extinguishing System Circuit Continuity Check
428
Engine Fire Extinguishing Lines
429
Hand-Operated Fire Extinguishers
430
Oxygen System and Portable Oxygen Equipment
430
General
430
Portable Oxygen Equipment
430
Constant-Flow Oxygen System
431
Oxygen Cylinder
433
Oxygen Charging Valve
434
Oxygen Supply Shutoff Valve
435
Oxygen Regulator Valve
435
Boa Diluter Demand Oxygen System
436
BOB Oxygen Cylinders
438
BOH Passenger Oxygen System
441
Valves
445
De-Icing and Anti-Icing
446
Windshield Anti-Icing System
446
Windshield Controlled Inverters
448
Windshield Heat Switch
453
Windshield Power Failure Lights
453
Windshield Relays
453
Function Test
454
Pitot Head and Stall Warning Lift Transducer Heaters
454
Heater Intake Anti-Icing
455
Wing and Tail De-Icing System
455
De-Icing Boots
461
Distributor Valves
466
Electronic Timer
466
De-Icing Suction Relief Valve
467
4-94A
467
Shutoff Valve
469
De-Icing Pressure Relief Valve
469
Valve
471
Engine-Driven Air Pump
471
Primary Oil Separator
472
Combination Unit
472
De-Icing Pressure and Suction Indicators
473
Propeller De-Icing System
473
De-Icing Tank
474
Propeller De-Icing Package
476
Propeller De-Icing Emergency Shutoff Valve
476
Filter
476
Propeller De-Icing Pump
477
Propeller De-Icing Relief Valve
478
Propeller De-Icing Restrictor
478
System
478
General
483
Power Plant
483
Engine Accessory Compartment Ventilation System
489
Vent Doors Relay
491
Engine Changing
491
Engine Starting and Stopping Procedures
501
Vibration Isolators
507
Engine Mount Assembly
509
Engine Mount Seal Assembly
509
Ignition System
511
Magnetos
514
Synchro Breaker
515
Ignition Harness
516
Ignition Switch Unit
518
Ignition Switch Leads
518
Spark Plugs
519
Starter System
520
Starter
520
Starter Relay
521
Air Induction System
521
Air Induction System Filters
523
Valve
526
General
531
Throttle. Propeller, Mixture
533
And Friction Levers Assembly
533
Throttle Control System
544
Throttles
545
Throttle Control System Cables
550
Tubes
552
Rod
552
Rigging of Throttle Control
552
Propeller Control System
561
Propeller Levers
561
Pullrods
561
Propeller Control System Pulleys
561
Propeller Control System Fair- Leads and Rubbing Blocks
562
Propeller Control System Torque Tubes
562
Flex Control
562
Rigging of Propeller Control System
563
Mixture Control System
567
Mixture Levers
567
Mixture Control System Push-Pull Rods
568
Mixture Control System Pulleys
568
Mixture Control System Torque Tubes
568
Rods
568
Rigging of Mixture Control
568
System
568
Carburetor Hot Air Levers
571
Rigging of Carburetor Hot Air Control System
573
Fuel System
575
General
575
Fuel Panel
579
Fuel Tank Selector Switch
579
Fuel Cells
579
Cells
584
Fuel Tank Filler Neck
585
Fuel Tank Sump Plates
586
Fuel Cell Compartments
586
Fuel Manifold
586
Flexible Couplings
587
Fuel Tank Drain Valve
587
Fuel Booster Pump
587
Engine-Driven Fuel Pump
588
Fuel System Strainer
588
Fuel Tank Selector Valve
588
Fuel Emergency Shutoff Valve. 5-91
589
Operated Fuel Valves
589
Testing of Fuel System
589
Pressure Check of Fuel System
590
Fuel Tank Venting System
590
Fuel Tank Vent Float Valves
591
Carburetor
591
Fuel Priming System
592
Hot Fuel Priming System
593
Hot Fuel Priming Unit
594
Fuel Quantity Indicating System
599
Fuel Quantity Indicators
601
Tank Units
601
Fuel Low Level Warning System
601
Fuel Pressure Indicating System
603
Fuel Pressure Switch
603
Oil System
604
General
604
Oil Tank
609
Oil Tank Hopper
616
Oil Tank Sequence Valve
617
Oil Cooler
618
Oil Cooler Temperature Regulator Valve
620
Oil Dilution System(Aircraft W~Th ~Ev:rsible Propellers)
624
Oil Dilution Procedure
627
Oil Temperature Indicating System
629
Maintenance of Oil System
629
Long Range Ferry Installations
631
General
631
Scheme 4 Long Range Ferry Installation
631
Propeller System
651
Propeller Governor
658
Autofeathering System
661
Thrust Differential Pressure
664
Switch
664
Blocking Relay
664
Propeller Governor Pressure Cutout Switch
665
Propeller Feathering Pump
665
Feathering Relays
666
Feathering System High Pressure Oil Filter
667
Thrust Indicating System
667
Heads
668
Reversible Propeller System
668
Propeller
670
Feathering System
673
Switch
674
Auxiliary Pump Feather Timer
676
Drive Bracket Assembly
676
Propeller Control Relay Box
676
Revised 1 December 1965
680
General
737
Main Bus
770
Secondary Bus
800
DC Bus Filter
800
Battery System
800
Battery
800
Battery Sump Jar
801
Maintenance of Battery Compartment
802
Battery Relay
803
Generator System
803
Generator Control Panels
805
Generator Relays
806
Current Limiters
807
Secondary Bus Relay
807
Bus Control Relays
807
External Power Receptacle
808
External Power Relay
808
Ground Test Relay
808
Ground Fault Transformers
809
Manually.operated Switches
810
Ac Power Supply System
811
AC Power Distribution
816
AC Main Buses
816
AC Instrument Buses
816
Fuses
816
Inverters
821
Main and Standby Inverter
821
Lighting System
822
Interior Lighting
825
Cargo Loading Light
825
Rear Entrance Light
825
Utility Lights
826
Flight Compartment Floor Hatch Light
826
Emergency Hydraulic Selector Panel Lights
827
Cabin Dome Lights
827
Toilet Lights
829
Exterior Lighting
829
Navigation Lights
829
Wing Inspection Lights
829
Anti-Collision Lights
830
Landing Lights
830
Taxiing Light
831
Panel and Warning Lights
833
Eyebrow Lighting Fixtures
834
Edge Lights
835
Warning and Indication Lights
835
And Dimming Relays
835
Doors Unlocked Light
836
Standby Magnetic Compass Light
836
Emergency Lighting System
836
Emergency Lighting Control Unit
836
Exit Lights
838
Air Delivery System
839
Jump Lights Dimming Relay
841
Miscellaneous
841
DC Utility Receptacles
841
In.terior
841
Alarm Bell System
842
Junction Boxes and Control Panels
842
Number 1 Junction Box
843
Number 2 and Number
847
Number 6 Junction Panel
848
Junction Boxe S
849
Firewall Junction Boxes
850
Center Pylon Disconnect Panels
850
Circuit Breaker and Fuse Panels
850
Cabin Lights and Cargo Doors Panel and Rear Lights Panel
852
Engine Switch Panel
853
Troop Jump Control Panel
854
Spare Lamps and Fuses
854
Wiring, Connectors, and Terminal Strips
854
Electrical Power Loading Chart
855
Provisional Wiring
861
General
865
Radio Systems Configurations
865
Radio Systems Maintenance
865
Radio Systems Removal and Installation Instructions
866
Radio Facilities
868
Standard Radio Facilities
868
Special Radio Facilities
869
Audio System
870
Standard Audio System
870
Standby Interphone System
874
Microphone Switches
875
Gyro Magnetic Compass System
883
Static Discharge Wicks
896
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