PS Magazine - SEPTEMBER 1984
PS, The Preventative Maintenance Monthly
ISSUE 382
SEPTEMBER 1984
Rust can build up fsT on your windshield wiper moTor shaF.
±
So, when you hop inTo your Truck, jusT reach up There and gIve The w²pers
some exercise by moving The manuaL paddLe Lever bacK and ³rTh´ µF The lever
caTches or won'T work Freely, geT your mechanic To wor¶ iT over Like so:
v
Re·r To The
TM
and remove The
v
SquirT
!OW
oiL beTween The shaFT
wiper moTor´
and The bushing To Loosen The N1sT±
v
¸iFT The recTangULar inspecTion
v
µnsTaLL a nuT on The Threaded end
cover ¹rom The moTor±
oF THe shaFº GEnTLy Tap The shaFT unTiL
v
¸ine up THe screw in The cenTer oF
iT»s Loose¼ Remove The nUT and pULL The
The inspecTion hoLe and remove iT.
shaFT oUT oF The BUshing and moTor±
v
Remove rusT
r==±1.²³
_
±
Inspection
From The shaFT and
12
inTerior oF The bUshing
(·rrule) wiTh sTeeL
wooL½ Fine sandpaper
or emery cLoTh´
V
CoaT The sha¾ wiTh
GAA± µnsTaL¿ The shaFT,
cenTer screw and inspec-
Tion cover.
v
µnsTaLL The wiper moTor±
µF The moTor sTiLL wonÀT worK righT,
repLace iT± Áse ÂSÂ
2540±-391²432³.
SEP 8´
2V´-Ton TRucksµ
Oldies Get Lockwir,
Dear Half-Mast,
Our older deucE-and±a²
halfs don
'
t
.
have Lockwired
bolts holdi
N
g the adapter to
the rear axle hub³ The bolts
looseN and fall out, scoring
the drum an´ damaging bRake
shoes and wheel cylindeRs³
Is there any reason we can't
convert to the lockwiRed
setup that's
on newer
vehicles?
Dear Mr.
JµJ¶ H,
No reason at all. I you can geT by, wait until the Truck's in the shop for
a semiannUal service.
Bolts with drilled heads are in ±²
9¶·3·0¸·09¸·0P
under NSN
5306¶00¶
930¸5·48¹
Yu get lockwire wiTh NSN
9505¶00¶º9º¶3680¹
³t's important to lace The bolts together exactly right-so each bolt is sup´
ported by the neXtµ ¶is gets doWn To Fner points of lockWiring than are
·=
in ±M
9¸·3·0¸·»9¸·0¸3¸·, Pa¼A º4¶5¹
#a-J1
t
.
Exh½ust Systems Check
...
Pull the Plug!
De
a
r Half±Mast,
Some of ouR inspectors check for exhaust system leaks
by plugging the tailpipe opening! Is this a good way to
peRform the check? We usually end up with leaks as a
result of the testµ
SFC ¶·D³B¸
Dear SergeanT R.D.Bµ¸
Never plug the tailpipe and run The engine of a vehicle. ¶is causes back
pressure That can damage The exhausT sysTem-cAuse a leak-an¹ hurT engine
performance.
ºo Fnd leaks¸ use just your eyes and ears. ChEcK pipe joinTs for black
smudges. Listen for pu»ng sounds when ¼he engine is running.
½lThough
Pa¼A ·¾68(a)·
of ±M
9¸·3·0¶·66¶·0
on the M880¾series
º
·¸
Ton Truck says To plug The tailpipe, ThaT info will be dropped when The ±M
is revised.
.±-Jf
SEP 8´
13
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