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HELICOPTER AND SYSTEMS BEFORE STARTING …

TM 55-1520-210-CLUH-1H/V HelicoptersTM 55-1520-210-CL13 February 1997 This manual supersedes TM 55-1520-210-CL,27 December 1990, including all AND - Posted if blades - Check clear and key lock switch - - Set for - switch - MAIN , locking devices, tiedowns, andcables - Remove except main rotor - circuit breakers - switch - ON; Check - On; check, then - Check sample - Check as book - Check as switch - Controls - rotor blade - (Area 1) - (Area 2) - SYSTEMS - compartment - boom - rotor - rotor blade - rotar gearboxes - boom - exhaust/smoke generator - cooling fan and heat compartments - compartment - fluid sight gage - - rotor system - area - CHECK - Oil level - area - and passenger briefing - STARTING switches and circuit breakers - - Connect for GPU gage - warning indicator light - to test caution/warning instruments - pedestal switches - controls - Al

tm 55-1520-210-cl emergency procedures engine malfunction - hover autorotate. engine malfunction - low altitude/low airspeed or cruise 1. autorotate.

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  System, Before, Engine, Starting, Helicopter, Malfunction, Helicopter and systems before starting, Engine malfunction

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Transcription of HELICOPTER AND SYSTEMS BEFORE STARTING …

1 TM 55-1520-210-CLUH-1H/V HelicoptersTM 55-1520-210-CL13 February 1997 This manual supersedes TM 55-1520-210-CL,27 December 1990, including all AND - Posted if blades - Check clear and key lock switch - - Set for - switch - MAIN , locking devices, tiedowns, andcables - Remove except main rotor - circuit breakers - switch - ON; Check - On; check, then - Check sample - Check as book - Check as switch - Controls - rotor blade - (Area 1) - (Area 2) - SYSTEMS - compartment - boom - rotor - rotor blade - rotar gearboxes - boom - exhaust/smoke generator - cooling fan and heat compartments - compartment - fluid sight gage - - rotor system - area - CHECK - Oil level - area - and passenger briefing - STARTING switches and circuit breakers - - Connect for GPU gage - warning indicator light - to test caution/warning instruments - pedestal switches - controls - Altimeters - ENGINE7.

2 engine and transmission oil pressure - GPU - RUNUP1. Avionics - STARTER GEN switch - STBY SYSTEMS - RPM - Avionics and flight instruments - Check and HIT check - CHECK1. engine and transmission instruments - Flight instruments - Power - Check as TAKEOFF1. RPM - SYSTEMS - Avionics - As Crew, passengers, and mission equipment - LANDING1. RPM - Crew, passengers, and mission equipment - SHUTDOWN1. Throttle - Idle two FORCE TRIM switch - : Steps 3 through 7 are for the last flight of the day if PITOT HTR - switch - OFF, then voltmeter - MAIN GEN switch - OFF; check DC MAIN GEN switch - STARTER GEN switch - Throttle - Center pedestal switches - Overhead switches - Ignition key lock switch - As LEAVING THE HELICOPTER1.

3 Walk-around - Mission equipment - Complete DA Forms 2408-12 and Secure CHECKLISTBEFORE EXTERIOR CHECKS1. Covers, locking devices, tiedowns, and cables - Fuel - Check CHECK1. Main rotor blade - Armament SYSTEMS - Tail rotor - Main rotor blade - Tail rotor gearboxes - engine compartment - Hydraulic fluid sight gage - Armament system - Main rotor system - CHECK - CABIN1. Transmission oil level - Cabin area - Crew and passenger briefing - STARTING ENGINE1. EXT LTS switches - BAT switch - GPU - Connect for GPU FUEL switches - ENGINE1. Fire guard - Posted if Rotor blades - Check clear and Ignition key lock switch - Throttle - Set for engine - INVTR switch - MAIN GPU - engine and transmission oil pressures - RUNUP1.

4 Avionics - STARTER GEN switch - STBY SYSTEMS - RPM - Avionics and flight instruments - Check and engine and transmission instruments - Power - Check as TAKEOFF1. RPM - SYSTEMS - Avionics - AS Crew, passengers and mission equipment - Order of the Secretary of the Army:DENNIS J. REIMERG eneral, United States ArmyChief of StaffAdministrative Assistant to theSecretary of the Army033041To be distributed in accordance with DA Form 12-31-E, block , requirements for TM 55-1520-210-CLTM 55-1520-210-CLEMERGENCY PROCEDURESENGINE malfunction - malfunction - LOW ALTITUDE/LOWAIRSPEED OR CRUISE1. EMER GOV RESTART - DURING FLIGHT1. Throttle - STARTER GEN switch - FUEL switches - GOV switch - Attempt Land as soon as COMPENSATOR FAILUREEMER GOV COMPRESSOR STALL1.

5 Collective - DE-ICE and BLEED AIR switches - Land as soon as OVERSPEED1. Collective - Throttle - EMER FOV AND DRIVE SYSTEMMALFUNCITONSTRANSMISSION OIL - HOT OR LOW PRESSURE1. Land as soon as EMER SHUTDOWN after LOSS OF TAIL ROTOR THRUST1. In-flight - Hover - DRIVESHAFT FAILURE1. EMER FAILS TO DISENGAGE1. Throttle - Land as soon as FAILS TO RE-ENGAGE1. EMER BOUNCE1. Relax Make a significant collective Increase collective engine START1. Start switch - Throttle - FUEL switches - GROUNDEMER SHUTDOWN* GOVERNMENT PRINTING OFFICE: 1997-554-121/60021 FIRE FLIGHTa. Power- Land as soon as EMER SHUTDOWN after Power - EMER FIRE - FLIGHT1.

6 BAT. STBY. MAIN GEN switches - Land as soon as landing cannot be breakers - each of the following steps are accomplished,check for source of GEN switch - GEN switch - STBY switch - Circuit breakers - In one at a time in priority required. GEN &BUS REST first. When malfunctioning circuit is identified,pull applicable circuit BATTERY1. BAT switch - Land as soon as EMER SHUTDOWN after AND FUME ELIMINATION - COCKPIT ANDCABIND oors, Windows, and Vents - POWER FAILURE1. Airspeed - HYD CONT circuit breaker - hydraulic power is not HYD CONT circuit breaker - CONT switch - Land as soon as possibleCONTROL STIFFNESS1. HYD CONT switch - OFF then control response is not restored:2.

7 HYD CONT switch - Land as soon as CONTROL SERVO HARDOVER1. HYD CONT switch - select opposite Land as soon as CONTROL/MAIN ROTOR SYSTEMMALFUNCTIONS1. Land as soon as EMER SHUTDOWN after BUMPING1. Reduce severity of Land as soon as SYSTEMFUEL BOOST PUMP FAILUREIf both FUEL BOOST caution lights illuminate:1. Check fuel fuel pressure is zero:2. PA - 4600 ft or Land as soon as SYSTEMMAIN GENERA-OR & BUS RESET circuit breaker - GEN switch - RESET then main generator is not restored or if it goes off GEN switch - - POWER doom - Jettison at a doors - (except pilot) and passengers - a safe distance away from - Off and - Exit when main rotor has - POWER OFF1.

8 Cockpit Doors - Jettison prior to entering Cabin Doors - Open prior to entering Exit when main rotor has - CAUTION LIGHTSLIGHTCORRECTIVE ACTIONAUX FUEL LowDC GENERATORINST INVERTEREXTERNAL POWERXMSN OR PRESSLand as soon as OR HOTLand as soon as INLET AIRCHIP DETECTORLand as soon as BOOST20-MIN FUELIFFENG OIL PRESSLand as soon as CHIP DETGOV EMERENG ICE DETLand as soon as FUEL PUMPENG ICINGFUEL FILERHYD PRESSUREMASTER CAUTIONC heck the CAUTION panel for thecondition. If master caution only (nosegment light): Land as soon AUX FUEL switches - emergency to other as soon as as soon as as soon as as soon as as soon as as soon as as soon as as soon as : 022121-000


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