PS Magazine - TB 43-PS-487
PS, The Preventative Maintenance Monthly
ISSUE 487
JUNE 1993
i
he fins oN your HMMWV's oIl cooleR
have to be stRaIght and fORmeD just R±ght
To woRk well. BeNt FINs stop a±R ²Low
ThRoUgh The oIl cooLeR and raD±ator aNd
caN cause boTh the eNg±Ne and tRansm±s-
s±oN to oveRheaT³
´INs get bent because mechan±cs
cRawµ oNto the oIµ cooler wheN They p¶ll
PM oN the eNg±ne or wheN they adJ¶st
beLt teNs±on· You can sTop all that f±N
beNd±Ng by mak±Ng a coveR to pRotEct
T¸e oIl cooLeR FINs wh¹Le mechaN¹cs woRk
oN the eNg±neº
You need
a
piece of 3/4·iN
plyood cut Like so:
»o use It, remove eye¼hook seals aNd
slIp ±t over the Two lIFtiNg RIngs aND ½ay
3,4±
±T ²laT on the o±l cooler Frame¾ »he RIngs
wIll preveNt ±t FRom sL±DINg ±Nto the
ra±sed hood¿
-²³2'´µ¶
·6
»he ÀoaRd stops a±r flow so Never Áse
±T wh±le The eNgIne ±s RÂNn±ngà ÄtÅlL ca¶se
the eNg±ne to overheatº AfTer ¶seÆ re-
place eye¼hook seals aND check ÇR beNt
cooler finsº
JUNE9¸
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