PS Magazine - TB 43-PS-432

PS, The Preventative Maintenance Monthly

ISSUE 432

NOVEMBER 1988
PS Magazine - TB 43-PS-432 - Page 5 of 32
M939/M939A 1-Series Truck± .²³
Heater Blower Motor NSN
Dear Half-Mast,
TM 9-2320±272-20P does
not give an NSN for the
blower motor. Do
I
²ave ³o
order the whole heater
assembly to ge³ the
blower motor?
SGTJ´AµRµ
2V´µ & M39-, M809-±er¶e± 5-Ton Truck± ²·³
One SmalL Step f±r PM
iI±²l
Paint the step and the top of the
bumper
with
skidproof paint,
NSN
If your Truck has
been painted with
CaRC¸
applY a laYer
oF matching
CaRC
over the skidproof
pai±t.
C
limbing
on
your
trucK's
²ont
bumper to do PM check³ on your en-
gine can get you hurt.
´ake one step at a time bY using a
bumper step. NSN
2540-01±²49±1389
gets a step kit with insTaLlatio± instrUc-
tions. Or use truck tailgate step, NSN
2510-00³119³3903´
µt'l¶
save
you
$27µ59µ
6
Get
¹
sTep kiT,
NSn
º»4¼½
¼¾¿¾ÀÁ¿
¾ÂÃÁÄ OÅ ÆÆÇ
NÈv ÉÉ
M915ÊSer¶e± Truck± ²²²
Y
ou can get your DS· to replace the
sTep, whiCh will take
2
to
3
weeks .
.¸
or you can repair and reinforce the step
yourself.
NÈv ÉÉ
7
HErE'¶ Wha· You ¸EEd:
²
stee¹ strip,
18¹º
inches ¹ong,
²¹º
inches wide, 1/4 inch thickº
7
bolts,
5/»6¼in diameTer,
Ë
inch
Jong, NSN
5306-00³226³4825µ
7
nuts, NSN
5310»00¼880-7744½
7
locK washers, NS½
5310±00±167¾
0721¿
HERE'¶ How You Do I·À
0
Bend the stee¹ strip so it ¾ts across
u±der the ¹eading edge oF the step
and up the sides.
F
Dril¶ hoLes ¿r the bolts.
8
Ànsta¹l the bolts, nuts and washers.
Áhen paint the repaired step with
skidÂroof
paint. NSN
5610-00-
14²¼7838
geTs a ga¹¹on. µf the Truck
is painted with
CaÌC¸
yÃu must
coVer
the
skidprooF
paint
with
CaRCÍ
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