Bell 429 - Page 176

BHT-429-MPI
Table1.ConditionalInspections-WaterImmersion(continued)
INITIAL
DATAREFERENCEINSPECTIONTASKDESCRIPTION
MECHOTHER
429-MM,Chapter62
5.Disassemble,clean,anddoadetailedinspectionofthemainrotor
hubassembly.
429-MM,Chapter64TAILROTOR
1.Removethetailrotorblades.
2.Removethetailrotorhubassemblies.
3.AttachaTHISCOMPONENTWASREMOVEDFROMSERVICE
BECAUSEOFAWATERIMMERSIONtagonthetailrotorhub
assembliesandoneachtailrotorblade.
4.Sendthetailrotorbladestoanapprovedfacilityforinspectionand
repair.
429-MM,Chapter64
5.Disassemble,clean,anddoadetailedinspectionofthetailrotor
hubassemblies.
429-MM,Chapter63MAINROTORDRIVESYSTEM
1.Removethemastassembly.
2.Removethetransmissionassembly.
3.Iftheimmersionoccurredinsaltwater,thoroughlyushthemast
assemblyandthetransmissionassemblywithcleanfreshwaterand
drain.
4.Flushthemastassemblyandthetransmissionassemblywith
lubricatingoil(C-020)topreventfurtherdeterioration.
5.AttachaTHISCOMPONENTWASREMOVEDFROMSERVICE
BECAUSEOFAWATERIMMERSIONtagonthemastassemblyand
transmissionassembly.
429-MM,Chapter63
6.Disassemble,clean,anddoadetailedinspectionofthemast
assembly.
7.Sendthetransmissionassemblytoanapprovedrepairfacilityto
disassemble,clean,anddoadetailedinspection.
8.Removetheengine-to-transmissiondriveshafts.
9.Iftheimmersionoccurredinsaltwater,rinseeach
engine-to-transmissiondriveshaftwithcleanfreshwateranddrythem
thoroughly.
10.AttachaTHISCOMPONENTWASREMOVEDFROM
SERVICEBECAUSEOFAWATERIMMERSIONtagoneach
engine-to-transmissiondriveshaft.
11.Doadetailedinspectionofeachengine-to-transmissiondriveshaft.
429-MM,Chapter65TAILROTORDRIVESYSTEM
SN:57001-57080:
1.Removethegreasecouplingassemblies.
SN:57081-Subsequent:
2.Removethegreasecouplingassemblyandthediaphragmcoupling
assembly.
3.Removetheforwarddriveshaftassembly.
4.Removethefanshaftassembly.
5.Removethesegmentedshaftassemblies.
6.Removethecouplingdiscpacks.
7.Removethehangerassembly.
429-A-05-50-00-09A-284B-AApplicableto:ALL
Page2Issue1-10JAN2019
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