PS Magazine - TB 43-PS-513
PS, The Preventative Maintenance Monthly
ISSUE 513
AUGUST 1995
e Black HawK's main rotoR head damper bearings aren't bearing up becaUse
oIl-based pRoducts aRe getting on The tefLon liner.
When oil and Teflon meet, ±he ²ineR swells Up and collec±s diR±, which gRinds away
at ±he lineR³ Soon the beaRinG Is shot´
Many beaRInGs aRe Ruined by misdIrecTed oiµ ±ha± comes fRom cleaninG the bif¶lar
weIGhts´ ·he dampeR bearings aRe Right under the weigh±s¸ Has±I¹y spRayed and
mIsdIrec±ed oI¹ wIll drif± down oR rUn down to the bearinGsº
When you c¹ean in the bifIlar area» remembeR The woRds "coat and wIpe¼½ CoaT
instead of spray when possible» and wipe Up ¾he excess³
·o clean the damper bearings» use a c¹ean, dry cloth³
¿emembeR, ±he ÀHÁ60 rotor head is ¹oaded with bearÂngs ThaT have teflon ¹i(eRsÃ
EXcept FOr the biÄÅaR and swashplateÆ no ¹ube is allowed on the rotor head´
PS 513
38
AUG
9±
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