TM-55-1510-221-MTF Army RC-12H Aircraft Manual

SECTION I. INTRODUCTION - TM-55-1510-221-MTF_6
3. GENERAL INFORMATION.
h. Maintenance   Test   Flight   Check   Sheet
SECTION II. MAINTENANCE TEST FLIGHT CHECKLIST - TM-55-1510-221-MTF_9
d. Fuel   control   panel
(13) Fuel quantity indicators-
PRIOR TO MAINTENANCE TEST FLIGHT (CONT) - TM-55-1510-221-MTF_12
1 Emergency equipment Check
INTERIOR CHECK - TM-55-1510-221-MTF_14
3.   Emergency exit Check
BEFORE STARTING ENGINES - TM-55-1510-221-MTF_16
6. Overhead control panel switches
8. Magnetic   compass
14.   Propeller synchronization switch
24. Annunciator panels Test
25. Stall and gear warning system
FIRST ENGINE START (BATTERY START) - TM-55-1510-221-MTF_22
7.     TGT and NI Monitor
SECOND ENGINE START (BATTERY START) - TM-55-1510-221-MTF_24
ABORT START - TM-55-1510-221-MTF_25
FIRST ENGINE START (GPU START) - TM-55-1510-221-MTF_26
SECOND ENGINE START (GPU CONNECTED) - TM-55-1510-221-MTF_27
BEFORE TAXIING - TM-55-1510-221-MTF_28
6. Automatic flight control system Check
b. Autopilot - TM-55-1510-221-MTF_30
(3) Elevator    trim    control switch
(b) Control wheel
7 Electric elevator trim Check
(I)     Check pilot and copilot individual trim switch elements
DURING TAXIING - TM-55-1510-221-MTF_35
ENGINE RUNUP (CONT) - TM-55-1510-221-MTF_36
6.    Engine high idle speed Check
9. Pneumatic pressure Check
10. Pressurization system Check
11. Generators and regulators Check
13. Rudder boost Check
15. Propeller overspeed governors Check
16   Autoignition system Check
19. Ice vanes Check
LINE UP - TM-55-1510-221-MTF_45
DURING TAKEOFF - TM-55-1510-221-MTF_46
11. Brake device system Check
DURING CLIMB - TM-55-1510-221-MTF_48
5 Antenna deice system
7Windshield anti-ice system
11 Air conditioning and heating system
12. Air conditioning cold operation
CRUISE - TM-55-1510-221-MTF_53
9. Propeller synchrophaser
c.    Torquemeters
15. Turn and bank indicators
LOW SPEED SYSTEMS CHECK - TM-55-1510-221-MTF_57
3. Stall speed, stall warning, and stall characteristics
5. Flap operation
6. Minimum elevator trim
10. Propeller feathering
g. Engine restart
11. Propeller autofeathering system and propeller unfeathering
h. Engine cleanup
12. Landing gear warning horn
13. Landing gear normal operation
14. Emergency landing gear extension system
DESCENT AND LOW LEVEL CRUISE - TM-55-1510-221-MTF_68
DESCENT-ARRIVAL - TM-55-1510-221-MTF_69
LANDING - TM-55-1510-221-MTF_70
GO-AROUND - TM-55-1510-221-MTF_71
ENGINE SHUTDOWN - TM-55-1510-221-MTF_72
12. Condition levers - FUEL CUT- OFF
BEFORE LEAVING AIRCRAFT - TM-55-1510-221-MTF_74
10. Aircraft forms
SECTION III. TROUBLESHOOTING - TM-55-1510-221-MTF_76
A4.    Excessive starting RPM
A8.    Engine fails to or is slow to accelerate propeller to idle speed
TROUBLESHOOTING GUIDE B - INSTRUMENTS - TM-55-1510-221-MTF_79
B7. Fuel quantity gage pegs down scale against stop.
TROUBLESHOOTING GUIDE C - ELECTRICAL - TM-55-1510-221-MTF_81
C5.    Volt-loadmeter reads off scale in wrong direction
C12. External power fails to energize aircraft
C14. Landing gear fails to retract.
C18.  Landing gear pump motor continues to run when the gear is extended or retracted, causing the circuit breaker to trip.
C25. Landing gear warning horn inoperative when power lever is closed and landing gear is up
C31. Flaps fail to extend or retract.
C36. Both inverters inoperative
C45. Fire detector circuit breaker trips
C49. Ventilation blower draws excessive current.
TROUBLESHOOTING GUIDE D - CAUTION PANEL - TM-55-1510-221-MTF_91
TROUBLESHOOTING GUIDE E - POWER PLANT - TM-55-1510-221-MTF_92
E9.    Fluctuating engine oil pressure
E14. Failure of engine to decelerate
E20. Low power output.
E24. Fluctuating torque indication.
E28. Fluctuating torque and propeller RPM.
TROUBLESHOOTING GUIDE F - PROPELLERS - TM-55-1510-221-MTF_98
F7. Neither autofeather arm light illuminates when power levers are advanced
F14. Propeller slow to feather.
TROUBLESHOOTING GUIDE G - HYDRAULIC - TM-55-1510-221-MTF_101
TROUBLESHOOTING GUIDE H - FLIGHT CONTROLS - TM-55-1510-221-MTF_102
TROUBLESHOOTING GUIDE J - VIBRATIONS - TM-55-1510-221-MTF_104
TROUBLESHOOTING GUIDE K - COMMUNICATION/NAVIGATION EQUIPMENT - TM-55-1510-221-MTF_105
K8. Cannot establish VHF two-way communications - TM-55-1510-221-MTF_106
K14. Marker beacon indicator light does not illuminate.
K20.   ADF radio set inoperative.
K28. VOR receiver inoperative
K33.   No display on radar control indicator.
a. Mode C not set or defective.
SECTION IV. SPECIAL PROCEDURES - TM-55-1510-221-MTF_112
10.   Cabin pressurization rate knob
B. TRIM AND RIGGING - TM-55-1510-221-MTF_114
D. SPEED CHECK AT MAXIMUM CRUISE POWER
ENGINE ACCEPTANCE AT MAXIMUM CONTINUOUS POWER.
F. ENGINE ACCEPTANCE AT MAXIMUM CRUISE POWER.
The engine acceptance at maximum cruise power check
G.   AVIONICS FLIGHT CHECKS
g. Check autopilot altitude hold function
G.   AVIONICS FLIGHT CHECKS (CONT)
(7) INS TACAN range display
c. Ground track angle and ground speed - TM-55-1510-221-MTF_123
e.   Cross track distance and track angle error
f. Latitude and longitude position - TM-55-1510-221-MTF_125
h. Magnetic variation - TM-55-1510-221-MTF_126
i. Distance and Time to Next Waypoint
k. Wind Speed and direction - TM-55-1510-221-MTF_128
m. UTM Position
n. UTM Inertial Position
o. Leg Switching - TM-55-1510-221-MTF_131
4. Audio control panel and inter K1-2 phone system
b. Receiver and transmitter facilities - TM-55-1510-221-MTF_133
c. Receiver/transmitter selectors
5 UHF radio set
7 HF radio set
e. Frequency accuracy - TM-55-1510-221-MTF_137
8 ADF radio set
i. Retune to a low frequency station - TM-55-1510-221-MTF_139
9. Marker beacon/glideslope receiver
10 VOR receiver
a. NAV A control (audio control panel)
11. TACAN
f. Fly directly toward a TACAN station
12 Transponder set
14. Radar set
g. Function switch
(4) STAB OFF switch Push ON
G. AVIONICS FLIGHT CHECKS (CONT)
(12) Ground mapping operating procedure
SECTION V. CHARTS AND FORMS - TM-55-1510-221-MTF_151
Figure 1. Rudder Boost Actuation Factors - TM-55-1510-221-MTF_152
Figure 2. Propeller Low Pitch Stop - TM-55-1510-221-MTF_153
Figure 3. Stall Speeds - TM-55-1510-221-MTF_154
Figure 4. Autofeather Time - TM-55-1510-221-MTF_155
PRESSURE ALTITUDE - TM-55-1510-221-MTF_156
Figure 6. Maximum Cruise Speed/Engine Acceptance - TM-55-1510-221-MTF_157
Figure 7. Maintenance Test Flight Checksheet (Sheet 1 of 3)
Figure 7. Maintenance Test Flight Checksheet (Sheet 2 of 3)
Figure 7. Maintenance Test Flight Checksheet (Sheet 3 of 3)

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