Case IH OPTUM 270 CVT - Hardware Torque Specifications

INTRODUCTION
Torque
NOTE:Inthemetrictables,nominalsizesM4throughM8hardwaretorquespecicationsareshownasaNewton
meters(pound-inches)numericalvalue.
NominalsizesM10throughM24hardwaretorquespecicationsareshownasaNewtonmeters(pound-feet)numer-
icalvalue.
Metrichexhead(non-ange)hardware
Plain(PLN)–anunplatedhardwarenishwithresidualmanufacturingoils
Zinc-dichromate(ZND)–ayellowcoloredchemicalplatingformulayellowappliedtothehardware
Nominalsize
Class(CL)8.8
boltandClass
(CL)8nut
Class(CL)10.9
boltandClass
(CL)10nut
Locknut
CL8
w/CL8.8bolt
Locknut
CL10
w/CL10.9bolt
PLNandZNDPLNandZNDZNDZND
N·m(lbin)N·m(lbin)N·m(lbin)N·m(lbin)
M4
3.5(31)5.0(44)1.4(13)2.8(25)
M5
7.0(62)10(88)2.9(26)5.5(49)
M6
11.8(104)17(150)4.9(43)9.4(83)
M8
28.8(255)41.3(366)11.9(105)23(204)
N·m(lbft)N·m(lbft)N·m(lbft)N·m(lbft)
M10
57(42)82(60)24(17)45(33)
M12
100(74)143(105)41(30)79(38)
M14
159(117)227(168)66(48)125(92)
M16
248(183)354(261)102(75)195(144)
M18
352(260)487(359)145(107)268(198)
M20
500(369)690(509)206(152)380(280)
M24
865(638)1195(882)357(263)657(485)
Metricangeheadhardware
Plain(PLN)–anunplatedhardwarenishwithresidualmanufacturingoils
Zinc-dichromate(ZND)–ayellowcoloredchemicalplatingformulayellowappliedtothehardware
Nominalsize
Class(CL)8.8
boltandClass
(CL)8nut
Class(CL)10.9
boltandClass
(CL)10nut
Flangelocknut
CL8
w/CL8.8bolt
Flangelocknut
CL10
w/CL10.9bolt
PLNandZNDPLNandZNDZNDZND
N·m(lbin)N·m(lbin)N·m(lbin)N·m(lbin)
M4
3.8(34)5.5(49)4.2(37)6.1(54)
M5
7.7(68)11(97)8.5(75)12(106)
M6
13(115)18.7(166)14.3(127)20.6(182)
M8
31.7(281)45.5(403)35(310)50(443)
N·m(lbft)N·m(lbft)N·m(lbft)N·m(lbft)
M10
63(47)90(66)69(51)99(73)
M12
110(81)157(116)121(89)173(128)
M14
175(129)250(184)193(142)275(202)
M16
272(201)389(287)299(221)428(316)
M18
387(286)535(395)426(315)589(435)
M20
550(406)759(560)605(447)835(616)
M24
951(702)1315(970)1046(772)1447(1067)
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