PS Magazine - FEBRUARY 1973
PS, The Preventative Maintenance Monthly
1973 SERIES, ISSUE 243
FEBRUARY 1973
GROUND EQUIPMENT
language of capscrews is dashes.
THe more dashes, the better the quaLity
and ±He HIgher the appLied torque. Cap-
screws are made with aLL kinds of marK²
•
ings for sPciaL uses, but a trucK, tanK or
•
tractor mechaNic just has to Know about
3
KInds and how the dashes Match up
wI±h the SOiety of Automotive EngI-
neers (SAE) Grades.
The dashes give you the SAE capscrew
Grade code which is nIce to Know be²
THIS CP scrfW
Jnol-\±²³´
c
few Manufacturer's hand³
HOW IS
i
MFRTANt ±o
'²i ³GrgasY
V´nµfl¶" ·yP!5.
/-¸¹º»¼½
F'RI´s±ance, no dasH (GRade
2)
capscreWs
arµ made out o¶ ·¸w³carbon steel whIch
±aKµ a Low toRque¹ ThRee dash (Grade
5±
² da³he´
=
µAE
0
GRaDe ¶
-±²³´
µ¶¶
·¸
6 Da´he´
¹
µAE G·¸De 8
a medium torque. Six dash (Grade
¹º
capscrews are Made out of carboN³aLLoy
steeL. They're the stronges± Kind youºre
LIKeLy to see in ground equipment
º
and
J»Us± Has some manU¶a¼½RµR'¾ mar¿s o´ I±,
It's loWÀ¼aRbÁn stµµl TÃIÄ Is
OK
¶oR lIgHt
WoR¿, BU± yÁu canÅt Use It In pla¼e Á¶ a
HIgHÆstRµ´g±H caÇs¼reW In a tÈn¿, ¶oR
µxample¹
s¼RµWs are medium³carbon steeL and taKe
taKe the highest torqueÂ
49
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