3408C & 3412C INDUSTRIAL ENGINES Caterpillar

(1) Torque for the four bolts ... 230 ± 15 N·m (170 ± 11 lb ft)

Automatic Timing Advance Unit
3412C

(1) Weights (two).

(2) 7E8814 Spring.

Length under test force ... 67.59 mm (2.661 in)

Test force ... 15.6 N (3.51 lb)

Free length after test ... 74.08 mm (2.917 in)

Outside diameter ... 25.4 mm (1.00 in)

(3) Torque for the four bolts ... 230 ± 15 N·m (170 ± 11 lb ft)