PS Magazine - MARCH 1981
PS, The Preventative Maintenance Monthly
ISSUE 340
MARCH 1981
Run down the nut to be torqued until it's tight.
Place a %-in drive socket on the nut. put the drive bar in the socket±
about 100 lb²ft on the dial³
Rotate the wrench until the reaction Bar rests against a rigid surface´ This is
alWays in the oµµosite direction you¶re torquing· ¸hen you torque cLockwise,
the reaction is in the oµµosite direction¹counterclockwiseº
Now You're ready to t_orque»
1.
Tighten tHe nut to the reqUired
torque. Take your hand off ±he hand-
crank aNd waIt
1
mInute² ³´e torqUE wIll
back off² ThIs's because the torqUed
boL±µs twist is reLaxIng and the thread
s¶rfaces are seatIng·
2±
Retorque. Wait again
1
MInute fo¸
the torque to back off.
3²
Reto¹queº The torque shoULd staY
t
±
±²
This wrench, unlike other torque wrenches, is made to work with extensions¼
¸hen you use socket wrench extensions, the reaction bar Must be 3 times
longer than the extension½ F'rinstance, i¾ you¿re using a 16Àin long socket
wrench extenSion, your reaction bar must be at least
48
inches long. Áince thÂÃ
reaction barIs only about 30 inches long, use a 3À5 ft length of iron µiµe to
extend it.
IT'S GRt FOr
LooseniNg
NuTs,
±o²
!
Äou can use this torque wrench to loosen nuts, tooÅ Æurn the knurÇed ratchet
collar in the counterclockwise directionÈ Turn the hanDcraÉk coUntercÇockwise
to Çoosen nutsº
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