SHIM PACK 6R7971 - Caterpillar

Torque for nuts that hold regulator to manifold (put 9M3710 Anti-Seize Compound on threads) ... 13 2 lb. ft.(1.8 0.3 mkg)(1) Torque for nut ... 110 10 lb. in.(127 12 cm.kg)(2) 1P661 Spring (outer): Length under test force ... 2.48 in.(63.0 mm)Test force ... 170 9 lb.(77.1 4.1 kg)Free length after test ... 5.81 in.(147.6 mm)Outside diameter ... 3.24 in.(82.3 mm)(3) 6N1174 Spring (inner for later regulator): Free length ... 5.71 in.(145.0 mm)Outside diameter ... 2.53 in.(64.3 mm)1P662 Spring (inner for earlier regulator):Length under test force ... 2.48 in.(63.0 mm)Test force ... 143 7 lb.(64.7 3.2 kg)Free length after test ... 5.55 in.(141.0 mm)Outside diameter ... 2.57 in.(65.3 mm)(4) Torque for bolts through cover of regulator ... 55 15 lb. in.(63 17 cm.kg)(5) Teflon sleeve between springs (not in earlier regulators).