3116 and 3126 Truck Engines Connecting Rod

(1) Bore in bearing for piston pin (new) … 40.028 ± 0.008 mm (1.5759 ± 0.0003 in)

To install bearing, rod may be heated at length (A) (do not use a torch) to … 175 to 260 °C (347 to 500 °F)Length (A) … 75 mm (3 in)Bearing joint must be at either location (B) at an angle above bore centerline of … 12.0 ± 5 degrees
(2) Distance between center of bearings … 200.00 mm (7.874 in)

(3) Location for etching cylinder number on rod and cap after assembly. Etch numbers on same side of rod as bearing retainer notch.

(4) Tighten connecting rod bolts as follows:

a. Lubricate bolt threads, seating faces of cap and nut with engine oil before installing nut.
b. Tighten each nut to … 54 ± 7 N·m (40 ± 5 lb ft)
c. Put an alignment mark on cap and nut.
d. Tighten each nut an additional … 60 ± 5 degrees (1/6 turn
(5) Bore in connecting rod for bearing with bolts tightened to specification (4) … 75.000 ± 0.013 mm (2.9528 ± 0.0005 in)

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