Tomei Powered SR20DE(T) HEAD STUD BOLTS - Manual (Page 9)

9
NUT TIGHTENING
CAUTION
■ The Angle Wrench must be used as specified.
■ The Heat Proof Lubricant helps with preventing drag on Nut surface
during tightening, so that the stipulated torque values can be obtained.
■ Try not to mark, scratch or damage the mating face of the seat surface,
& the bore grommet of the Metal Gasket, during installation.
■ Thoroughly clean the Cylinder Block and Heads surface, to remove any signs of water, oil residue & unwanted
foreign material before installing the Gasket. Give all galleries and passageways a good spray of high pressure
air, to remove any loose unwanted particles.
To be done up in numerical order, as shown on the left.
(1) 1st time, torque in sequence 39.2N・m(4kgm)
(2) 2nd time, torque in sequence 98N・m(10kgm)
(3) Losen until the torque reading is 0N･m
(4) 1st time, torque in sequence 39.2N・m(4kgm)
(5) 2nd time, torque in sequence 105°～110°
with an Angle Wrench.
SPECIFICATIONS
MATERIAL
SIZE
STRENGTH
WEIGHT
157kg/m㎡ -
113g 12g
STUD BOLT NUT
SNCM439 SCM435
M11 x P1.5 M11 x 1.5 (Use a 16mm Tool)
Surface
Thread
Applying Heatproof Lubricant
⑦ ③ ① ⑤ ⑨
⑧ ④ ② ⑥ ⑩
FRONT