D343 ENGINE Caterpillar

Connecting Rod

Usage:

1 Pin bearing bore ... 2.0010-2.0015 in.50,825-50,838 mm

2 Center-to-center length ... 11.125±.001 in.282,575±0,025 mm

3 Bore in rod for bearing ... 3.8550±.0005 in.97,9170±0,0127 mm

4 Diameter-pin ... 1.9997-2.0000 in.50,792-50,800 mm

Clearance-rod bearing ... .0010-.0018 in.0,0254-0,046 mm

Maximum permissible clearance ... .006 in.0,152 mm

5 Bore-crankshaft journal bearing ... 3.5434-3.5456 in.90,002-90,058 mm

Journal-to-bearing clearance ... .0029-.0060 in.0,074-0,152 mm

Maximum permissible clearance ... .010 in.0,254 mm

6 Torque-nut:

1. Lubricate threads with crankcase oil

2. Initial tightening ... 50±5 lb. ft.6,9±0,7 mkg

3. Mark nut and end of bolt

4. Tighten additional (from mark) ... 180°180°