Case WX168 - Page 22

INTRODUCTION
Torque
Bolttypes
NOTICE:Usetoolsappropriatefortheworktobedone.
Makeshifttoolsandprocedurescancreatesafetyhaz-
ards.Forlooseningandtighteningnutsandbolts,use
thecorrecttools.Avoidbodilyinjurycausedbyslipping
wrenches.
TULI12ECX0475AA1
Tightennutsorboltstotorquespecications.Thereare
twokindsofbolts;hexagonTbolts(1)andsocketbolts
(2).Thetwotypesofboltsaremadefromdifferentmate-
rials.Thecorrecttypeofboltmustbeusedwhenassem-
blingthemachineand/orcomponents.
RAPH12CEX1320AA2
Speciedtighteningtorquechart
Boltdia.
WrenchsizeHexagonwrenchsizeTbolt,socketbolt
M813mm6mm
29.5N·m(22lbft)
M1017mm8mm
64N·m(47lbft)
M1219mm10mm
108N·m(80lbft)
M1422mm12mm
175N·m(129lbft)
M1624mm14mm
265N·m(195lbft)
M1827mm14mm
390N·m(288lbft)
M2030mm17mm
540N·m(398lbft)
M2232mm17mm
740N·m(546lbft)
M2436mm19mm
930N·m(686lbft)
M2741mm19mm
1370N·m(1010lbft)
M3046mm22mm
1910N·m(1409lbft)
M3350mm24mm
2550N·m(1881lbft)
M36
55mm
27mm
3140N·m(2316lbft)
1.Applylubricant(i.e.whitezincBdissolvedintospindleoil)tonutsandboltstostabilizetheirfrictioncoefcients.
2.Torquetoleranceis±10%.
3.Besuretouseboltsofcorrectlength.Boltsthataretoolongcannotbetightened,asthebolttipcomesintocontact
withthebottomofthebolthole.Boltsthataretooshortcannotdevelopsufcienttighteningforce.
4.Thetorquesgiveninthechartareforgeneraluseonly.
Donotusethesetorquesifadifferenttorqueisgivenforaspecicapplication.
5.Makesurethatthenutandboltthreadsarecleanbeforeinstalling.Removedirtorcorrosion,ifany.
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