3408C & 3412C INDUSTRIAL ENGINES Caterpillar

(1) Torque for three long studs in cylinder block ... 35 ± 5 N·m (26 ± 4 lb ft)

NOTE: Put 9S3263 Thread Lock on threads of short stud in front housing.

(2) Oil seal. Put clean engine oil on the seal lip. Assemble with the lip toward the bearings.

(3) Seal. Put a thin layer of clean engine oil in the bore for the seal.

(4) Ring and water seal.

(5) Seal assembly.

NOTE: For proper installation procedure of the seals, refer to the Disassembly & Assembly module.

(6) Shaft diameter at carbon seal assembly seat area must be ... 19.10 ± 0.05 mm (.752 ± .002 in)

(7) Torque for the bolt that holds the impeller ... 39 ± 3 N·m (29 ± 2 lb ft)