Textron Cessna - Page 42

McCAULEYPROPELLERSYSTEMS
CONSTANTSPEEDCOMPOSITEOWNER/OPERATOR
INFORMATIONMANUAL
Table201.AircraftandSystemIdenticationandInformation(continued)
McCauley
PropellerModel
No.
NormalTotal
NominalPower
(Watts)
Dim
"Y"
See
Note1
Dim
"X"
See
Note1
DeiceBootPart
No.Notes
**Basedon12to14VDCatdeicebootleads.
NOTE1:DeiceBootRestrainerStrapLocationDimension"X"(Inches)andDeiceBootLocation"Y"
(Inches).SeeFigure202.
NOTE2:ManyMcCauleypropellersareprovidedtotheaircraftmanufacturerwithoutthedeiceboots
installed.Incaseswheretheaircraftmanufacturerinstallsthedeiceboots,orwherenon-McCauleydeice
bootsareused,theappropriateaircraftmanufacturer'sservicemanualmustbeconsultedforallinstallation
information.
Table202.DeiceBootResistanceValues
RESISTANCEVALUES(ohms)
McCauleyDeiceBootPartNo.
BootEa.Element(Note1)
Max.Min.
B-40746-305.044.56
B-40746-311.261.14
Ifthepropellerisinstalledonanaircraft,thepropellerdeicecircuitsmustbeelectricallyisolatedfromthe
restoftheaircraftwiringwhenmakingtheaboveresistancecheck.
NOTE1:Removethedeicebootleadsfromthebrushblockterminals.
Comparewiththeabovetableforminimumandmaximumvaluesinohmsbetweenthecommonground
andtheotherterminalofthedeicebootlead.Reinstallthedeicebootleadsinaccordancewiththeairplane
serviceormaintenancemanualinstructions.
(3)Thepropellerdeicebootisanintegralstrapdeicebootthatusesaseparaterubberrestrainer
strapattheinboardendoftheboottopreventlooseningofthedeicebootbondwhencentrifugal
forceactsontheleadstrap.TheprocedureforinstallingtherestrainerstrapisgiveninFigure
202.RefertoTable201forthe"X"and"Y"dimensionsforlocatingtherestrainerstrapand
illustratedinFigure202.
C.MaterialsRequired.
•B-40746-30orB-40746-31DeiceBoot(McCauley,1eachperpropellerblade,allpropeller
bladesmusthavesamepartnumberbootinstalled.)
•B-40251RestrainerStrap(McCauley,1eachperpropellerblade)
•A-20360-3NylonCableTie(McCauley,1eachperpropellerblade)
•A-20360-4NylonCableTie(McCauley,2eachperpropellerassembly)
•Cement1300L(MinnesotaMiningandManufacturingCo.,St.Paul,Minnesota)
•Epoxy,A-1664-29epoxycementorA-1664-30epoxycement.
•Sunbrite-SterlingIndustrialFinishes(SterlingLacquerManufacturingCo.,St.Louis,Missouri)
78-U-1003or78A-1003brushableblackenamel
•EnamelcatalystU-1001-C.
•Cleaningsolvent-MPK(Methyln-PropylKetone)oracetone
•TackifyingSolvent-ToluolorMPK(seefollowingnote)
•Cleaningcloth-anyclean,lint-freecloth
•1inchpaintbrushes
•0.25inchmetalhandstitcher
•2inchrubberorwoodenhandroller
•FineLineTapeNo.218,(MinnesotaMiningandManufacturingCo.,St.Paul,Minnesota)
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©McCauleyPropellerSystemsJan9/2017