PS Magazine - NOVEMBER 1982
PS, The Preventative Maintenance Monthly
ISSUE 360
NOVEMBER 1982
When y0u Black Hawk mec±s moUnt t±e ²H-6³A to correct sticking anti´
flap restraIners or droop stops on tµe main rotor ¶Ub,
never
Use petroleUM·
based solvent
to
clean t±em.
Petroleum-based solvent
Flap restrainer
attackS bearings
±pindle
²sing P-D-68³ on a sponge or clot±, for example, wiL¸ resUlt in t±e solvent
entering t±e spindle and settlIng on t±e elastomeric beariNgs. T±e solven¹
attaCks t±e rUbber on t±e bearIngs and tUrns it to gUmº
T¶at type of revo»tin' development means a bearing c±ange. YoU can spot
be¼rIng damage t±rU t±e inspection ±ole in t¶e ±Ub.
So, c»ean sticking restrainers wit±
mild detergent
and ½ater.
'¾oUrse, yoU ¶andle petroleUmbased oi»s w±en yoU¿re oÀ t±e rotor ±ead.
So w±en servIcing t±e dampers wit± ÁÂÃÄHÄ56³6 ±ydraUlic flUidÅfor ex-
amp»e, be carefUl not to spIll t±at red jUiceÆ Ât coUld end Up on t±e elastomeric
bearings:
Aline Shafts First!
ÇlacK HawkmecÈsÉ w¶en yoU lower
t±e coO»er
Ê
fan and radIator Into yoUR
Ëaby, tIg±ten t±e moUnting bolts
±and·tIg±ÌÍ
Aline thE
taiL Rotor
dRIvE shafts .
.²
T¶e Idea iÎ to aline t±e tail rotoÏ
drIve s±afts so yOU don't ±ave any
abnorma» wear on t±emÐ
T¶en, make wit¶Ñ t¶e wrenc± On t¶e
ËOÒtsÐ T¶e bo»t torqUe figUres are in
Step 6, TasK 29, TÁ 55Ó152³·237-23-
7Ð
38
LOo±S²I
·
³ ME, B´Nµ¶· .¸
,
Aircra³T ´efueling ²µ¶
·±²³GRouNd
-=
·±²³;´µ
¶¸ if:=
¹º»¼
WI´E
µ
CH
¶¸
k
±-²³
´µ
·¶:¸¹iºl,;rL
_
T¶e
½
ont¶ly vIsUal InspeÔ
rI
n
F
r groÕÖ<×;
T
Ø
¾
Ù
h
t'sÚ ca»led oÕt in
¿M
1³-
68, Para 3-1³ (2)c, dOesn't ¶e»p mUc± on ±I-visibi»Ity yel»ow groUnd caË»e,
¹s¹
4³1³·³³Û28Ü·2681Ð ÝoU need special procedUres to find oUt if t¶e wIre Inside
t¶e plastic s±eat± Is damaged.
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