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: THE TREX 700/800 SERIES TAIL BOOM MOUNT ADAPTERS ARE THE IDEAL
SOLUTION FOR PREVENTING UNWANTED LOOSENING AND FAILURE OF THE TAIL
AT700-TBMA (SS 17-4PH)
TREX700/800 SERIES TAIL BOOM MOUNT ADAPTERS
AT700-TBMA
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www.KDEDirect.com
BOOM BRACES CAUSED BY THE HIGH-VIBRATION NATURE OF THE HELICOPTER.
USING A HIGH-STRENGTH, SS 17-4 PH CONTRUCTION AND CNC-PRECISION
MACHINING, THE CHANCE OF FAILURE IS GREATLY REDUCED AND PROVIDES A
SIMPLE, HASSLE-FREE METHOD FOR TAIL BOOM SUPPORT ASSEMBLY
INSTALLATION AND REMOVAL.
BEFORE INSTALLING THE TAIL BOOM MOUNT ADAPTERS, APPLY RED LOCTITE (263
OR 271 PREFERRED) TO THE THREADS SHOWN IN THE DIAGRAM. ONCE LOCTITE
HAS BEEN APPLIED, FIRMLY TIGHTEN THE ADAPTERS TO THE LOWER STABILIZER
MOUNT USING AN 8MM (5/16") WRENCH OR HEX SOCKET TO FIRMLY BOND THE
COMPONENTS.
PLEASE NOTE: THE THREADS HAVE BEEN MACHINED TO INCLUDE A THREAD-
LOCK GEOMETRY TOWARDS THE LAST FEW TURNS, THEREBY PRODUCING A
MECHANICAL LOCK BETWEEN COMPONENTS TO FURTHER ENHANCE THE
HOLDING STRENGTH AND RESISTANCE TO VIBRATION. RESISTANCE WILL BE
FELT WHILE THREADING THE ADAPTERS INTO THE LOCKING SECTION, BUT
CONTINUE TO TIGHTEN UNTIL THE INNER SURFACE OF THE HEX ADAPTER IS
FLUSH WITH THE SIDEWALL OF THE LOWER STABILIZER MOUNT. ALLOW TO
CURE A MINIMUM OF 1 HOUR BEFORE FLIGHT.
NOTE
ITEM NO. DESCRIPTION QTY.
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SAB GOBLIN 500 SERIES TAIL PIN [H0264-S]
(INCLUDED IN ORIGIN A L KIT)
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FLANGED RADIAL BALL BEA RIN G F682XZZ [HC 400-S]
(INCLUDED IN ORIGIN A L KIT)
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KDE DIRECT 700/800 SERIES PERFORMANCE BO OM SUPPORT A SSEMBLY
(SOLD SEPARATELY, KDE700-PBSA OR KDE800-PBSA)
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4 KDE DIRECT 700/800 SERIES TAIL BOOM MOUNT A D APTERS 2
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KDE DIRECT 550/600/700/800 SERIES TAIL BOOM SUPPORT MO UN T
(SOLD SEPARATELY, AT550/600/700-TBSM)
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IMPORTANT: ADD HIGH-STRENGTH, RED LOCTITE
(263 OR 271 PREFERRED) TO THREADS BEFORE
INSTALLATION. THIS WILL PROVIDE A NEAR-
PERMANENT AND VIBRATION-RESISTANT BOND
BETWEEN COMPON EN TS. FIRMLY TIGHTEN
LOWER STABILIZER ADAPTER WITH 8MM (5/16")
WRENCH OR HEX SOCKET. REPEAT BOTH SIDES.