3408C & 3412C INDUSTRIAL ENGINES Caterpillar

(1) Clearance between magnetic pickup and flywheel ring gear ... 0.55 to 0.83 mm (.022 to .033 in)

NOTE: With the engine stopped, turn in the pickup until it comes in contact with the teeth on the flywheel ring gear. Turn the pickup back out 1/2 ± 1/5 turn.

(2) Tighten the locknut to a torque of ... 45 ± 7 N·m (33 ± 5 lb ft)