PS Magazine - APRIL 1984
PS, The Preventative Maintenance Monthly
ISSUE 377
APRIL 1984
M915-Series Trucks .
..
Think
ONe
WhEn Downshifting
·
Downshift
one gear
at a time
m880±SeRIes tRucks ²²³
Need the aluminum plate tHat fIts
over tHe cab door sill oF your tRUck?
±irst, try your local can Point.
²f That doesn't work, order tHe scu³
Plate with NS´ 2510-01-147µ650 on
a DD ±orM 1348¶·¸ ¹t cosºs
$.
74. »se
SOS
S9C±
Write "NSN not on
A¼D±½ in the ¾emarks block of t¿e
fÀrm.
Á¼ 9Â2320Ã273Ä10 says it's
OK to UPshift t¿roÅgh yoUr
¼915ÄserÆes trUck's Çgear
range 2 stePs at a time UP to
11th gearÈ ABove that, Æt's one
gear at a time¸
Some oPerators Éake this to
mean it's OK to downshift 2
gears at a timeÊsËrting at
11th geÌr.
No Íay! YoUr trUck's traÎsÏ
ÐÑssion was made to Be downÒ
shifted only one gear at a tÆme,
Íith the engine at 1·50 ¾ÓÔ
or lessÕ
i
'·
m39-
&
M809±Se´Ies 5±ton Trucks ³µ.
Fix FuEl ±²o/Er
When drÆvers rePort Bum Öel gage
readings, yoU mecHs may gUess t¿at the
gage is ×UlÉyØØand go thrU a Lot of
w¿eelÃsPinnÆng ÙryÆng to sÚlve tÛe
Problem¸
ÁHE real ×Ult may Be in the groUnd
connection Between the sending UnÆt
and the Üel Ënk¸ C¿eck thÆs ÝirstÞ
because it's qUÆck 'n' easyÈ JUst scratch
down to barß meÉal on toP of the sendÏ
ing unit and also close by on tHe Éank¸
Áhen, ÍÆtH tHe ignàtion sÍitch ON, coná
nect the bare sPots with a Piece of Íire¸
²f the gage reads right, yoU know
t¿ere's a Bad groUnd¸ None of t¿e 5
moUnting screws is making a connecâ
tÆon¸
²witcH
oN ³´µ
¾ePlace one of tHe sendÑng Unit
mounting screws with screw, NSN
5305Ä0Qã984Ä·195, and a coPPer
wasHer, NSN 5310ä00Ã810Ã5335. ²f
there's a Plastic washerå witH tÛe old
æ
screw, toss Æt oUt along wÆth the screw¸
¼akç sUre there's no Paint, dirt or
grease between t¿e coPPer washer and
theè sending
é
UnÆt¸
Ch
R
Y
slE¶
3·8 ¸NgIN¹º»¼
,½
.
,
±
²
³
H³´
Plug
s
'.P
µ
¶v·¸¹
APR 8
Low-speEd; StOP±anD²g³
d
ri
n
g êan goëblì up
íîuï
comerCiavEhI±lE's
sðarñ òlógsôõF
²t
öas ºH÷
wRONg
·
pluG¶ FR
ºøùº
k³nd
"
of
úûüýaþÿonĀ
´
CaRbOn depOsIts buIld uP
·
ONThe INsulatOR tIps,
causIng the plugs
-
tO FaIlOFten sOOn aFteR Instal±
latIOn.
ānĂ
THE´µ¶s n
o ăoĄną Ć÷ćlaĈinG
¸¹0sE pluGs
ĉĊºH
º»¼
stċČčaĎď pĐuđĒ
·¸¹ 29º0-»¼½¾34¿ÀÁÂ8,
E²½¾E¿.
ēĔat pluĕĖs
iNTenD´µ
²
EnGinEs
Used Mostlė
³´
ÀÁgÂ-sPEÃD;
ĈonºinuĘęs Ěě÷Rċºion.
Ĝou
Ä
nÅEÆ hǺºE¿ plUGSÈ
TÃEy
ĝĞanğĠġR Ģ÷at more
sloÍlģ anĤ ĥpeĦċº÷ aº a ħàgHeĨ teĩPeratuĪe. īigĬer
oP÷ýatiĭĮ ºįmİeRċºUĪes ısisą
ÉA¿bÊn
IJuildupij ÁĴ
µS¶
ĵĶĵ0ķĸÄĹĺÄ1ĻļĽľ ¹º's
a
ĈĿuPle ŀf steps ¿ŁgHer
in
ËEA½ ¿AnGEÌ
23
L
Back to Top Back to Top
