TEMPORARY REVISION - MD Helicopters

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CSP−H−2MD Helicopters, Inc.500 Series − Basic HMIBLADE SOCK(369H26661)(4 PLCS)OIL COOLER BLOWER/TRANSMISSIONCOOLING AIR INLET PLUGS (2 PLCS)TIEDOWN TETHERMOORING ANCHOR(4 PLCS)CABLE OR MANILA ROPEPITOT TUBE COVER(369H4009)ENGINE EXHAUSTOUTLET COVER(369H9804)AIR INLET FAIRINGCOVER (369H9803)ZIPPEREXTENSION SPRINGACCESSDOORLATCHLOCKPINFUEL CELL ACCESS DOOR(TYP − 2 PLCS)TIE CORDTO BLADESOCKTO MOORINGANCHORJACK FITTINGTO BLADE SOCKLOCKPIN STOWAGEFUSELAGE STRUCTUREJACKING FITTINGENGINE AIR INLET FAIRINGWITH COVER INSTALLED30−005Figure 2−4. Parking and MooringPage 2−12TR09−001
MD Helicopters, Inc.500 Series − Basic HMICSP−H−24. Servicing(Ref. Figure 2−5) Servicing of the helicopterincludes replenishment of fuel, changing orreplenishment of oil and other such maintenancefunctions. Fuels, oils, others servicingmaterials and capacities are listed inTable 2−3. Observe the following precautionswhen servicing the fuel system.Turn off electrical switchesWARNING and disconnect externalpower from the helicopter.(1). The helicopter must be electricallygrounded prior to refueling or defueling.The possibility of static discharge(difference in electrical potential) andpresence of fuel vapors always presentsfire and explosion hazards.(2). The refueling vehicle should be parkeda minimum of 20 ft. (6 M) from thehelicopter during the fueling operation.Before starting the fueling operation,always ground the fueling nozzle or fueltruck to the GROUND HERE receptacleor to another bare metal location.Use extreme care when applyingany type of lubricantCAUTION(grease, oil, dry−film, etc) in the vicinity ofteflon bearings. Most lubricant will form adirt retaining film or have other detrimentaleffects that can cause rapid detertioration ofbearing surfaces.A. Fuel System FillingThe fuel system has two fuel cells that areinterconnected for simultaneous flow venting.The fuel filler cap is on the right side of thehelicopter.(1). Refuel helicopter with correct fuel assoon after landing as possible toprevent moisture condensation and tokeep the helicopter as heavy as possiblein case of winds.(2). Keep fuel nozzle free of all foreignmatter.(3). Check filler cap for security afterfueling.B. Fuel System DrainingFuel draining should be accomplished withhelicopter as level as possible.(1). Fuel system may be defueled in eitherof two ways:To avoid possible damage to fuelCAUTIONpump, do not operate fuel pumpwith fuel tanks drained.(a). Defuel through filler port using apump.(b). Open system drain valves on fuselageunderside and in engine compartment.(2). Fuel supply line drain valves are springloaded type and open by pushing valveand attached drain line.(3). Fuel cells drain valve is spring−loadedclosed and is opened by pressinginternal plunger.C. Engine Oil System FillingThe engine oil filler cap is on the right side ofthe helicopter. A liquid level plug for checkingthe oil level in the tank is visible through atransparent window near the filler.NOTE: Before adding oil, the oil container mustbe shaken to ensure proper mixture of theanti−foaming additive. If sight gauge does not permit positive determination,remove filler cap and visuallycheck the oil level.(1). Check oil level within 15 minutes ofengine shutdown; replenish if low.(2). If engine oil level is low after helicopterhas set for more than 15 minutes;(a). Run engine for at least one minute atground idle.Ensure engine oil pressure is attainedwhen starting engineCAUTION(Ref. applicable Pilot’s Flight Manual).(b). Shut down engine, check oil level,replenish if low.Page 2−13TR09−001
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TEMPORARY REVISION - MD Helicopters

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