PS Magazine - TB 43-PS-517
PS, The Preventative Maintenance Monthly
ISSUE 517
DECEMBER 1995
Aircraf .±±
A REL COLD
SNP
P
ilots, when it's biTterly cold outside± a littLe warm
PM
can make all The
diference Fr your airCra²³´s radio.
Severe Cold makes the plastic sha²Ts on the radio Knobs briTµ¶e·
TR
adjusting
the radio ¸requency as
soon as you Get inside
aNd-S¹AP!ºof
Come the kNobs
I
your
hand»
Be¼Ore chanGing the
radio ½equeNcy± turn
on THe cockpit heater
whi¾e yoU're letting the
heliCopter enGine warm
Up¿ Àhat´ll waRm up
those kNobs aNd protect
them ½om a cold snap·
UH·1 .±²
Stop cold Weather ±eak
C
oLd weaTheÁ caÂses most maTerial To conTracTÃ And the colder iT getsÄ the more
The materIž conTracTs»
ÆHis cerµainly ho¶ds True with The main roTor damper assembly on your ÇÈÉ1
ÈÂey»
WHen the tempeÁature Áeally dÁops-lÊke below 0°Ë-The assembLyÌs hydÍauÎ
lÊc ϾuÐd siGht G¶ass contracts» WheN iT shrinks enough± hydÑauliÒ ¸lÂid seeps past
ÓEÔÕ Ö×hØ ÙÚÔÖÖ
w²t ³´
the glassÛ
Æhat makes it hard To veÁiÜ The ÏLuÝd
leVel and
ca
lead To conTamination»
ËÞx that problem by puTTinG a bead o¸
ßÀàá âSâ 8030ã00ä25åã23æ2ç around
The ouTside edge o¸ µhe gLass· 踵er Þt
cÂÁesé the ßêà acts as a lëQÂidìTíGht
seal ThaT keeps the hydraÂLîc ¸lÂid ïn its
placeð
Be¸ore app¾ying ³he ßÆà± make sure
yo ThoroÂGhly clean The damper assembLyà ñtheòwiseó the ôêà will noT adhere
well To the sÂRÏaceõ
PS 517
61
DEC 95
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