HEAD 3149341 - Caterpillar

Illustration 1 g01649933
(1) With the no. 1 piston in the top dead center (TDC) position, align the timing marks.
Illustration 2 g01649935
(2) Torque for four bolts ... 135 20 N m (100 15 lb ft)Note: Lubricate the shaft, the bearing bore, and the thrust faces of the thrust plates with clean engine oil. (3) Install the thrust plate with the oil groove side toward idler gear assembly. (4) Torque for five bolts ... 55 10 N m (41 7 lb ft) (5) Lubricate the shaft, the bearing bore, and the thrust faces of the drive idler shaft with clean engine oil. (6) Lubricate the shaft, the bearing bore, and the thrust faces of the idler gear assembly with clean engine oil.Note: Before assembly, apply 5P-3413 Pipe Sealant to the threads of the bolt. (7) Torque for the bolt ... 55 10 N m (41 7 lb ft) (8) Torque for the bolt ... 55 10 N m (41 7 lb ft)