PS Magazine - NOVEMBER 1984
PS, The Preventative Maintenance Monthly
ISSUE 384
NOVEMBER 1984
-I
i'±
1²
:
I
i
I
I
I:
I'
±.
UH-1 .±²
Coupl²ngs Need Lube, Too!
A Huey can lose tail roTor conTrol if you bird mechs don't lube
all
drive shafT
couplings on schedule and by the book.
InspecT and lube The couplings every 600 hours or annually, whichevEr comes
firsT± Follow The poop in ²M 55-1520210³23´L± You can get a 6³oz Tube of
grease µr The job with NSN 9150´00¶506·8497.
Don'T overlook any couplings± Remember the quill coupling aT The trans¸
mission, µr example¹ ²ºat's The firsT in The series, not the couplings aT The No.
i
hanger bearing»
²haT quill coupling is hard To reach. IT Takes 2 mechs to re¼ove The cla½ps.
BuT iT only Takes one weak link in The drive shafT Chain To down a bird!
Don¾T lube The hanger bearing iTself. ²¿at's done at The ÀcTory¹ JusT wipe
oÁ any excess grease, and give The bearing The once´over To see if it needs To
be changed.
²he 42
°
gearbox Quills have a 600Âhr lube sChedule, TooÃ
Having Trouble geTTing jusT enough grease where iT belongs? ²he meC¿s aT
The 3/498Th Med Äo (AA), FT STewarT, GA, have Come up wiTh 2 helpÅl tools.
±-²
2 3/
8
"
-±±²
.
1
t
1"
³
42°/90´
WORK A³D
i
µ19¶32
·¸
¹º»
1 13/32"¼½
´ µ·1¶¸
7¶16
¾
SquirT grease on The coupling splines, Then inserT the Tool and roTaTe iT. ²he
grease will be smooThed ouT and The excess removed»
42
¿1 1/À"Á
³
:´µ¶·
r
i
work
2Â/32"
¹ºd
¸
11/32"
¹
,3 1/À"
5/32"
27/32"
³
»¼
i
i-
7 /1
6
ÃÃ
F½¾¿ÀESÁ$TÂNÃ
HYÄÅULÆC
fuÇÈ És
ÊËÌe Í /'Î, ÏÐÑ ÒÓÔÕÖ×
Keep an eye on The hydrauliC Æluid you Çed your babies, bird mechs.
MIÈÉH-83282 fire´resisTanT fluid is red and comes in a red can¹ Hydraulic
fluid MIÈ´H´5606 also comes in a red can. So if you get any other color
canØ
turn iT in±
Êome units are receiving ËIÈ´H-46Ì70 hydraulic Íluid. Green Cans of That
sTuÁ are marked "compaTible wiTh MÎÈ´H´83282» ÏBut "CompaTibleÏ doesnÐt
mean "interchangeable»Ï
So ¼aÑe sure you see boTh a red can and red Æluid when you add hydrauliC
Æluid To your bird¹
Regulaºor NSN's a Real Gas!
Need a new regulaTor To geT your oxygen servicing uniT, NSN Ì730´
00´4Ò5³78Ì7, back on line?
OÓdeÔiT under NSN
Õ
6685´0L´089·3906. ²he number's noT on The AMDF,
so use a Ö× Form 1Ø48´6. ²ÙeÚ RIÄ is FÈZ and iT cosTs $7 .63.
ÙÚV
8³
43
Back to Top Back to Top
