Inlet and Exhaust Valve Guides - Remove and Install
Show/hide table
Required Tools | |||
Tool | Part Number | Part Description | Qty |
A | 157-3722 | Valve Guide Driver | 1 |
Start By:
- Remove the inlet valves and the exhaust valves. Refer to Disassembly and Assembly, "Inlet and Exhaust Valves - Remove and Install".
Show/hide table
NOTICE |
---|
Removal and installation of the valve guide and valve seat must be carried out by personnel with the correct training. Also special machinery is required. For more information, refer to your authorized Caterpillar dealer. |
Show/hide table
NOTICE |
---|
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Use Tooling (A) in order to remove valve guides (2) (not shown) from cylinder head (1).
- Repeat the Step 1 for the remaining valve guides.
Show/hide table
Illustration 1 | g01380892 |
Show/hide table
Required Tools | |||
Tool | Part Number | Part Description | Qty |
A | 157-3722 | Valve Guide Driver | 1 |
9U-6220 | Stop Collar | 1 | |
B | 157-3720 | Valve Seat Cutter | 1 |
Show/hide table
NOTICE |
---|
Removal and installation of the valve guide and valve seat must be carried out by personnel with the correct training. Also special machinery is required. For more information, refer to your authorized Caterpillar dealer. |
Show/hide table
NOTICE |
---|
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Clean the parent bores in the cylinder head for the valve guides.
Show/hide table
Illustration 2 g01380902 - Lubricate a new valve guide (2) and place the valve guide in position. Carefully tap the valve guide in order to start the installation. Use Tooling (A) to install the valve guide into the cylinder head.
- Repeat Step 2 for the remaining valve guides.
Show/hide table
Illustration 3 g01383769 - Check Protrusion (X) of valve guides (2). The valve guides should protrude
12.500 ± .15 mm (0.492 ± 0.006 inch) above the valve spring recess. Refer to Specifications, "Cylinder Head Valves" for more information. - After installation of valve guides (2), the valve guides must be reamed and the valve seat inserts must be cut to the finished diameter. Follow Steps 5.a through 5.d in order to ream the valve guides and cut the valve seat inserts.
- Lubricate the bores of valve guides (2) with clean engine oil.
- Use Tooling (B) in order to ream the valve guides. Ensure that even pressure is applied to Tooling (B).
- Use Tooling (B) in order to cut the valve seats. Ensure that even pressure is applied to Tooling (B).
- Ensure that the cylinder head is clean and free from machining debris.
- Check the finished diameter of valve guides (2). Refer to Specifications, "Cylinder Head - Valves" for more information.
- Check the depths of the valves below the face of the cylinder head. Refer to System Operation, Testing and Adjusting, "Valve Depth - Inspect" for more information.
End By:
- Install the inlet valves and the exhaust valves. Refer to this Disassembly and Assembly Manual, "Inlet and Exhaust Valves - Remove and Install".
Caterpillar Information System:
C3.3 Industrial Engine Inlet and Exhaust Valves - Remove and Install
C3.3 Industrial Engine Inlet and Exhaust Valve Springs - Remove and Install
C3.3 Industrial Engine Exhaust Elbow - Remove and Install
C3.3 Industrial Engine Exhaust Manifold - Remove and Install
C3.3 Industrial Engine Turbocharger - Install
C3.3 Industrial Engine Fuel Injector Cover - Remove and Install
C3.3 Industrial Engine Turbocharger - Remove
C3.3 Industrial Engine Fuel Injector - Install
C3.3 Industrial Engine Fuel Injector - Remove
C3.3 Industrial Engine Fuel Injection Pump Gear - Install
C3.3 Industrial Engine Fuel Injection Pump Gear - Remove
C3.3 Industrial Engine Fuel Injection Pump - Install
C3.3 Industrial Engine Engine Oil Filter Base - Remove and Install
C3.3 Industrial Engine Engine Oil Cooler - Remove
C3.3 Industrial Engine Engine Oil Cooler - Install
C3.3 Industrial Engine Engine Oil Relief Valve - Remove and Install
C3.3 Industrial Engine Engine Oil Pump - Remove and Install
C3.3 Industrial Engine Water Pump - Remove
C3.3 Industrial Engine Water Pump - Install
C3.3 Industrial Engine Water Temperature Regulator - Remove and Install
C3.3 Industrial Engine Flywheel - Remove
C3.3 Industrial Engine Flywheel - Install
C3.3 Industrial Engine Crankshaft Rear Seal - Remove
C3.3 Industrial Engine Crankshaft Rear Seal - Install