Crankshaft - Remove
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C6.6 Engines for Caterpillar Built Machines
[KENR6081]
C6.6 Engines for Caterpillar Built Machines
Crankshaft Main Bearings - Remove and Install - Crankshaft in position
C6.6 Engines for Caterpillar Built Machines
Crankshaft - Install
BASIC ENGINE
CRANKSHAFT GP
3408E and 3412E Engines for Caterpillar Built Machines
Bearing Clearance - Check
C6.6 Engines for Caterpillar Built Machines
Crankshaft Rear Seal - Remove
C6.6 Engines for Caterpillar Built Machines
Crankshaft Rear Seal - Install
C6.6 Engines for Caterpillar Built Machines
Crankshaft Front Seal - Remove and Install
C6.6 Engines for Caterpillar Built Machines
Crankshaft Main Bearings - Remove and Install - Crankshaft in position
C6.6 Engines for Caterpillar Built Machines
Crankshaft - Remove
C6.6 Engines for Caterpillar Built Machines
Crankshaft - Install
1.1. Removal Procedure
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Required Tools | |||
Tool | Part Number | Part Description | Qty |
A | 1U-8221 | Lifting Sling | 2 |
Start By:
- Remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove" for the correct procedure.
- Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Remove" for the correct procedure.
- Remove the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Remove" for the correct procedure.
- Remove the rocker shaft and pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove" for the correct procedure.
- If necessary, remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Remove" for the correct procedure.
- If necessary, remove the pistons and connecting rods. Refer to Disassembly and Assembly, "Pistons and Connecting Rods - Remove" for the correct procedure.
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NOTICE |
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If the crankshaft has been reground or if the crankshaft has been replaced, the height of the piston above the cylinder block must be inspected. It is necessary to remove the cylinder head in order to inspect the height of the piston above the cylinder block. |
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NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- The engine should be mounted on a suitable stand and placed in the inverted position.
- If the cylinder head, the pistons and the connecting rods have not been removed already, remove the connecting rod bearings. Refer to Disassembly and Assembly, "Connecting Rod Bearings - Remove" for the correct procedure.
- Ensure that the main bearing caps are marked for the location and orientation.
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Illustration 1 g01341323 - Remove bolts (1) and main bearing caps (2) from the cylinder block.
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Illustration 2 g01341324 - Remove lower main bearing shells (3) from main bearing caps (2). Keep the lower main bearing shells with the respective main bearing caps.
Note: The lower main bearing shells are plain bearings that have no oil holes.
- Remove the two thrust washers from number six main bearing in the cylinder block.
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Illustration 3 g01333482 - Attach Tooling (A) and a suitable lifting device to crankshaft (4). Lift crankshaft (4) out of the cylinder block. The weight of the crankshaft is approximately
61 kg (134.5 lb) .Note: Do not damage any of the finished surfaces on the crankshaft. When the crankshaft is removed from the engine, the crankshaft must be supported on a suitable stand in order to prevent damage to the crankshaft timing ring.
Show/hide tableIllustration 4 g01341389 - Remove upper main bearing shells (5) from the cylinder block. Keep the upper main bearing shells with the respective main bearing caps.
Note: The upper main bearing shells have a groove and two oil holes.
- If necessary, remove the crankshaft timing ring. Refer to Disassembly and Assembly, "Crankshaft Timing Ring - Remove and Install" for the correct procedure.
- If necessary, remove the crankshaft gear. Refer to Disassembly and Assembly, "Crankshaft Gear - Remove and Install" for the correct procedure.
Information System:
C6.6 Engines for Caterpillar Built Machines
Crankshaft Main Bearings - Remove and Install - Crankshaft in position
C6.6 Engines for Caterpillar Built Machines
Connecting Rod Bearings - Install - Connecting rods in position
C6.6 Engines for Caterpillar Built Machines
Connecting Rod Bearings - Remove - Connecting rods in position
C6.6 Engines for Caterpillar Built Machines
Pistons and Connecting Rods - Install
C6.6 Engines for Caterpillar Built Machines
Pistons and Connecting Rods - Assemble
C6.6 Engines for Caterpillar Built Machines
Pistons and Connecting Rods - Disassemble
C6.6 Engines for Caterpillar Built Machines
Pistons and Connecting Rods - Remove
C6.6 Engines for Caterpillar Built Machines
Piston Cooling Jets - Remove and Install
C6.6 Engines for Caterpillar Built Machines
Engine Oil Pan Plate - Remove and Install - Aluminum Oil Pan
C6.6 Engines for Caterpillar Built Machines
Engine Oil Pan - Install - Cast Iron Oil Pan
C6.6 Engines for Caterpillar Built Machines
Engine Oil Pan - Install - Aluminum Oil Pan
C6.6 Engines for Caterpillar Built Machines
Engine Oil Pan - Remove - Aluminum Oil Pan
C6.6 Engines for Caterpillar Built Machines
Crankshaft - Install
C6.6 Engines for Caterpillar Built Machines
Crankshaft Timing Ring - Remove and Install
C6.6 Engines for Caterpillar Built Machines
Crankshaft Gear - Remove and Install
C6.6 Engines for Caterpillar Built Machines
Position Sensor (Fuel Injection Pump) - Remove and Install
C6.6 Engines for Caterpillar Built Machines
Coolant Temperature Sensor - Remove and Install
C6.6 Engines for Caterpillar Built Machines
Engine Oil Pressure Sensor - Remove and Install
C6.6 Engines for Caterpillar Built Machines
Fuel Pressure Sensor - Remove and Install
C6.6 Engines for Caterpillar Built Machines
Boost Pressure Sensor - Remove and Install
C6.6 Engines for Caterpillar Built Machines
Inlet Air Temperature Sensor - Remove and Install
C6.6 Engines for Caterpillar Built Machines
Glow Plugs - Remove and Install
C6.6 Engines for Caterpillar Built Machines
Alternator Belt - Remove and Install
C6.6 Engines for Caterpillar Built Machines
Fan - Remove and Install