PS Magazine - APRIL 1985
PS, The Preventative Maintenance Monthly
ISSUE 389
APRIL 1985
CH-47
.±²
-±
Dear Editor,
Towing Chinooks is not an easy chore. You have to get the
towbar legs adjusted right for a smooth ride.
The angle iron helps keep the legs apart. But we've come
up with something better-a tuRbuckle our suppo± people
put together.
The tuRbuckle also separates the towbar legs. But it's
adjustabl², so we can tighten it as much as we nee³.
(Editor's note:
th³ line!)
W01
Herman Huck
F
Hood, TX
BLack HAwk ´.µ
Pressure Adjustment SooThes ±Hakes
If your bird's windsh±eld wipers have the shakes and sHimmies, they may
need adjusting.
Check the wiper
a
pressure with a dial indicat±ng spring scaLe, NSN 6670-
²²³240´5821, like it says on Page 4µ17/4´18 of TM ¶5´1520-237-2·µ5¸
i
AFer you¹Ve adjusted the wipers, applY cOrrosion preVentatiVe compound to
1±
the tens±on ºpRng under tHe wiper
A.
Apply CP» oFen in wEt o¼ damp weather½
¾hat¹ll put the sKids on rust and corrosion¿ two ÀuLÁÂits responsiBle Ãr decreasµ
r•
ed arm pressureÄ ÅSN 80·0-²0Æ2·1Ç2·È5 gets a gÉUon can of CPCÊ
Aircraf 0-Rings
If the next pacKage of aircraF Ë-rings you pick up has
±
expiration Date sÌmped
on ±t, ignore itÄ
˵rings used in aircraF ma±ntenance haVe an ±ndeÍnite shÎlf liÏÊ
Ðut Ñne thing you neVer ignore is a V±sual inspection of the pacKaged rings½
ÒÓ an Ë-ring¹s cut, nicÔed, Brittle or Õawed in any way, throw it oÖt½
If
your unit has Not receIved a
message you have an ±nterest
±n, check w±th your next HIgher
headquarters.
U·3²84-³2
SOF Maintenance
Mandatory, U-3 ser±es²³peRa´
t±onal check oµ Land±ng gear sys¶
tem. 121915Z Dec 84·
A´µ¶-84µ³3
S³F Maintenance
Notice concern±ng se¸v±ce L±µe ex¶
tens±on on the AH¹ºS (P»OD,
ECAS, MC) canopy remova¼ sys½
tem's arm/µ±r±ng mechan±sms·
071900Z Dec 8¾¿
Àat
1
EÁ» ÂÃone
¸¹º
ÄuT³V³N 693Å2066
»¼½
(2¾ hoÆrs)
U´¾¶µ84µ¶2
SOF OneÅtime inspecÇ
tÈon, a¼¼ ÉÊÅ1Ê/V and Eʹ1H/XË
281900Z Ìec 84¿
U´¿6³Aµ84µ¶6
S³F Ma±ntenance
Mandatory, T?ÍÍÎGE¹700 eng±nes,
removaL and replacement oµ GG
¸otors at ce¸ta±n L±µe l±m±ts¿ 111 ?00z
Dec 84·
UÀµ6³Aµ84µ¶7
S³FTechn±caL, ÏnÐ
spect±on oÑ main gearbox dowe¼
pins· 271615Z Ìec 84Ò
O´µ58µ84µ³2
S³F Techn±ca¼,
One¹t±me ±nspection oµ aL¼ OHÓÔBA
w±th ÕW³ 55¹1520¹228Ö30-2¾
×nsta¼Øed ta±l Rotor drive shaµt
coversÙ 2Ú1600z Ìec 84Û
CÀµ47µ84µ¶3
S³F Maintenance
Not±ceÜ
»CS
CSGÝÌ-1860;
change to ±nspect±on oµ CÊ-¾7C/Ì
and YCH¹¾7C rotor head asseÞ¶
b¼±es· 28º830z Ìec 84ß
CÀµ54¿84µ³3
S³F àCS CSGÝÌÅ
18á0, Inspection oµ CÊÅ54A µor
deµect±ve main rotoR bLades¿
191600z Ìec 84.
MÁM¿GEµ84ÃMEMµ³7
Foâarding
oµ maintenance ã±stor±ca¼ data to
CCAD¿ 191555z Dec 84Û
BuggeD By BI²ing ³n´eCTs
Protect yourseLf ×om iØsect B±tes wiÙh iØsect repellentÚ ÅSN Û840-Ü-75·µ496·
gets a 2-oz BottLe of liqu±d ÝeetÞ
ÝeeßaLso comes ±Ø a 6µoz spraà caná NSN 6840µ00µ082-2541â Ðut Ùhat NSN
isn¹t on the AMÝãÚ ärder on a ÝÝ ãorå 1·48µ6 using ãSCM 8æçè8 and
éÒê S9G½
Apply Ýeet to exposed sKin and tigHt Ítting parts of your cëothingÊ See Page
21 of ãM 21-10 Ãr more deta±LsÚ
ÄPR ÅÆ
ÆÆ
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