PS Magazine - TB 43-PS-439
PS, The Preventative Maintenance Monthly
ISSUE 439
JUNE 1989
hear pins are silent sentries, standIng
guard to protect you against injury and
your equipment fom major damage.
±t's easy to FOrget they'Re theRe, on
wINch drIves, cranes, augers and otheR
eQuIpment. They quIetLy do theIr job
untiL somethIng goes wRong-theN I²'s
cuRtains FOr them³ They sNap³ ´obody
gets hur²³ ´othing is daMaged³
Shear pINs are Born LoseRs³ µhey aRe
made oF alumiNum or otheR soFt metal³
They'Re cheaP aNd reLatIvely easy to
repLace³ They may bE soFt, but give
'em respect, because they give their
aLL when the chips are dowN.
They do a good job, bUt some sol¶
diers tRy to gIve 'em a hand by substi·
tuting nails oR BoLts
that wIlL "las¸
longer,¹ or "hoLd be²ter.¹ ºr woRse yet,
they just stIck IN whateveR pIN tha²'s
haNdy and Is aLmos² ²he RIght sIze. That
oveRLoads the system. SomethIng else
bReaks .
.³ aNd equIpMent Is damaged
or soMeone gets hurt!
Accept no subs²It»²es FOR the sheaR
pIn showN IN the ¼½½ oF yo»R vehIcle's
¾10 T¿. The book May not call It a
shear pIN, But IF It's desIgNed to sheaR
beFORe soMethINg else BReaks, tha²'s
what It IsÀ
The oNLy way to go is wIth ²he RIght
PIN IN the RIgh² place, s²aNdINg guaRd
uN²Il I² Is Needed ³.³ to sheaR³
22
JUN 89
5-ton Wreckers .±±
Rear Winch Wire Rope
T
he Á¿'s say to Use 350 Âet oF wire rope to repLace the caÃLe on a 5Äton
wrecker's rear wincH. ¼ut the TanKÅÆUtomotive CommanD Çays yoU ÈeeD onLy
333 Feet³ YoU can rig three Wreckers Éom a Ê,00ËÄÌ reeL oÍ ÎÅin caÃLeÏ ´SÐ
40Ñ0ÒË0Å6Ñ8Ó7697Ô
JUN 89
²3
O³ R´Ll µF
CAB¶E
·¸aS
1HREe
¹f
TH£º
8±6²
GUYS.
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