PS Magazine - TB 43-PS-538

PS, The Preventative Maintenance Monthly

ISSUE 538

SEPTEMBER 1997
PS Magazine - TB 43-PS-538 - Page 8 of 51
'
i
HEMT .±²
,
l
here have ben
a couple of chAnges
to
HM
PMCS
in TMs
9-2320-279±10
and
-20±1.
Drivers
need
t
note ±hat the
recommeQded engine idle speed is
now
650²³50
Rpm.
If your truck dOsn't idle in that ²pm R³nge, get your mech³nic on
T
joB´
µhe¶ks and sEvi¶es made a· ¸dle¹ in¶luding those Fr the parKºng »¼akes½
a
a¾ected By
±S
ch³nge.
¿oÀ
mechaiC,
no·e 1hat you no Longer have to do a pARking »rake test as paÀÁ of
yoUr PMCS Thaà requirement was removed »y Change
2
(Äpr
93)
to Åhe
-20-1´
Fuel BowL Protection
m
any a plastƶ »owL on the HÇMÈÉs water separa-
-±²
tor has Been cracked o¼ sha±Êered By RocksË feet and
other thºngsÌ
The¼eÉs a readyÍmade fuel Îwl shield availaBÏe thaÐÑll
take cAre of that proBLemÒ
Óse NSN
2540-01µ383±2252
·o get the shÔeld onÕy.
Öf your veh×cØe has never had the shieldÙ youÚll need to
drill th¼ee holes and »uy some haRdwareÛ
Drºll 3/Üͺn holes in the Ýender and mount the shºeld
wiÃh three capscÀewsË NSN
5305µ¶·¸¹9º321»;
th¼ee
Þock washeRs½ NSN
5310-00¼½3¾º9541;
and ÁhÀee nutsË
NSN
5310º¿µ½55±9544.
PS ÀÁ
c
-
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"
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