Service Repair Manual
Models
345B and 345B L Series II
Excavator
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Product: EXCAVATOR
Model: 345B II EXCAVATOR AKJ
Configuration: 345B & 345B L Series II Excavators AKJ00001-UP (MACHINE) POWERED BY 3176C Engine
Disassembly and Assembly
3176C and 3196 Engines for Caterpillar Built Machines
Media Number -RENR1223-15
Publication Date -01/08/2015
Date Updated -03/08/2015
i01970055
Connecting Rod Bearings - Install
SMCS - 1219-012
Installation Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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345B & 345B L Series II Excavators AKJ00001-UP (MACHINE) POWERED BY 31...
2020/9/11
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Illustration 1
g01022743
1. Install the upper half of connecting rod bearing (4) into connecting rod (3). Ensure that the
bearing tab engages with the slot in the connecting rod.
2. Apply clean engine oil on the surface of the upper half of connecting rod bearing (4) .
3. Position connecting rod (3) and connecting rod bearing (4) on the crankshaft.
4. Install the lower half of connecting rod bearing (5) in corresponding connecting rod cap (2).
Ensure that the bearing tab engages with the groove in connecting rod cap (2) .
5. Apply clean engine oil on the surface of the lower half of connecting rod bearing (5) .
6. Install connecting rod cap (2) on the corresponding connecting rod. Ensure that the numbers
are on the same side.
7. Install connecting rod cap bolts (1). Tighten the bolts to a torque of 130 ± 7 N·m (95 ± 5 lb
ft).
8. Place an index mark on each bolt head. Tighten each bolt for an additional 60 ± 5 degrees
(1/6 turn).
9. Repeat Steps 1 through 8 in order to install the remaining connecting rod bearings.
End By: Install the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan -
Remove and Install".
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