PIN AS 3187327 - Caterpillar

Illustration 1 g01414647
(1) Torque for the locknut ... 12.5 1.0 N m (110 9 lb in) (2) 7E-4677 Spring Free length ... 115.3 mm (4.54 inch) Outside diameter ... 82.55 mm (3.250 inch) (3) 7E-4676 Spring Free length ... 115.3 mm (4.54 inch) Outside diameter ... 62.48 mm (2.460 inch) (4) Torque for the nut ... 14 3 N m (125 27 lb in) (5) Torque for the five screws ... 6.5 1.0 N m (60 9 lb in) (6) Before assembly, lubricate the threads and the bearing surfaces of the setscrew with 4C-5599 Anti-Seize Compound .
Illustration 2 g01717353
(7) Exhaust bypass valve (8) Locknut (9) Gasket
Clean the stud, the locknut, and the base of the locknut prior to assembly.
Apply 2P-2333 High Temperature Sealer to the threads of the stud that extend through the flange of the exhaust bypass valve and to the bottom of the mating face of each locknut.
Tighten two diagonal locknuts.Torque ... 25 6 N m (18 4 lb ft)
Tighten the remaining locknuts.Torque ... 25 6 N m (18 4 lb ft)
Tighten all four locknuts again.Torque ... 47 9 N m (35 7 lb ft)