Whirlwind GA-UL260-2B Installation And Operation Instructions Manual Download | Manualshive

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GA-UL260-2B (64”-66”)

Installation and Operation Instructions

(9”-11.3” Spinners)

For UL260 Engines

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Summary of Contents for GA-UL260-2B

Page 1: ...GA UL260 2B 64 66 Installation and Operation Instructions 9 11 3 Spinners For UL260 Engines ...

Page 2: ...GA UL260 2B For UL Engines of ii ii ...

Page 3: ...ected Impact 8 Lighting Strike 8 Paint Wear On Blade 9 Continued Airworthiness Requirements 10 Limited Warranty 12 Propeller Models These instructions apply to the following propellers Models Diameter s GA UL260 2B 64 66 Torque Values 5 16 Bolts 15 ft lbs 170 in lbs Packing List GA UL260 2B Non Threaded Flange Part Qty Blades 2 Hub forward aft halves 1 Mounting Bolts Long 5 16 x 4 4 Mounting Bolts...

Page 4: ...nes Read and follow these guidelines to ensure a safe successful propeller installation CAUTION Failure to follow these instructions will void all warranties expressed and implied Mounting difficulties and increased vibration will result with improper assembly of the propeller blades and hub parts 1 Verify the magneto ignition switch is OFF and that both magnetos are grounded 2 Chock the aircraft ...

Page 5: ...ed vertically l l Place the top blade in first with one hand and hold it in place using the forward hub half with the other hand l l Now angle the hub half so that it holds the top blade but provides a large enough gap to insert the bottom blade and forward hub half l l Once both blade are in lightly secure the propeller assembly with the mounting and clamping bolts Installation Instructions l l M...

Page 6: ...b half to prevent a change in pitch angle b b NOTE after all mounting and clamping bolts have been properly tightened Check the blade angles again to make sure they have not changed b b IMPORTANT After the first 5 hours of operation or any blade angle pitch change re check all hub mounting bolts and blade clamping bolts torque values b b NOTE To lower RPM increase the blade pitch To increase RPM d...

Page 7: ...MUM RPM RATING FOR YOUR ENGINE If you are not seeing your correct static RPM be certain the tachometer was properly calibrated 2 After the desired static RPM is achieved re check all bolt torque values The ideal pitch setting will allow the propeller to reach with out exceeding maximum RPM at full throttle in level flight d d WARNING Do not operate your propeller above the recommended engine RPM I...

Page 8: ...mped sides facing each other AN 365 524 locknuts Engine Flange UL260 Drivelug 5 16 Wedge Lock Washers Qty 4 AN5 15A Short Mounting Bolts Qty 4 AN 960 516 5 16 Flat Washers Qty 12 Torque Values 5 16 Bolts 15 ft lbs Hub Bolt Type Size Socket GA UL260 2B Clamping 5 16 1 2 Mounting 5 16 1 2 Aft Hub 5 16 4 Long Mounting Bolts Qty 4 Forward Hub Aft Spinner Back Plate ...

Page 9: ... will cover hole l l Any crack deeper than 025 l l Any solid tip damage that can t be trimmed off completely Tachometer Inspection An improperly operating tachometer can lead to propeller failure excessive vibration or cause an engine to exceed maximum RPM limits established by manufacturers Proper tachometer operation and accuracy should always be checked using the manufacturer s pro cedure if av...

Page 10: ...o longer meet the Continued Airworthiness Requirements Suspected Impact Propellers that have been involved in a known or suspected static or rotating impact with relatively solid objects e g ground maintenance stands runway lights birds etc or relatively yielding objects e g snow banks puddles of water heavy accumulation of slush etc should be inspected for damage before further flight If the insp...

Page 11: ...e depends on several factors including high operating RPM s in rain or sandy areas FOD on taxiways and runways etc Propeller Removal 1 Safe engine ignition system for maintenance by disconnecting the aircraft battery 2 Perform installation procedure as illustrated on page 5 in reverse order of operation Inspections ...

Page 12: ...int over areas of corrosion on hub parts l l Do not operate any aircraft after a propeller has been subjected to an impact without a thorough inspection Refer to the Inspection After Suspected Impact section for details l l Do not use the propeller as a tow bar to move your aircraft l l Apply a good quality automotive paste wax to the blades at least once a year l l Avoid running up in areas conta...

Page 13: ... pitches will provide 4 6 mph higher airspeeds at cruise power rpm s maximum level flight speeds are no better than climb or standard pitches and the take off and climb performance will noticeably suffer CLIMB PITCH HIGH ALTITUDE OPERATION For improved take off and climb performance use a climb pitch propeller that will turn 100 to 200 engine rpm more than a standard pitch propeller Refer to your ...

Page 14: ...terations improper installation improper maintenance or repair or improper packaging for shipment and it does not pertain to damage due to object strike or excessive blade wear due to operation Overspeed of any kind or use on or with engines or equipment not approved by Whirl Wind Propellers Corporation automatically voids this warranty This limited warranty is the only warranty provided with resp...

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