SEAL 3G9199 - Caterpillar

Remove Cylinder Heads
Start By:a. remove rocker shafts and push rods
At operating temperature, the engine coolant is hot and under pressure. Steam can cause personal injury. Check the coolant level only after the engine has been stopped and the fill cap is cool enough to touch with your bare hand. Remove the fill cap slowly to release the relieve pressure. Cooling system conditioner contains alkali. Avoid contact with skin and eyes to prevent personal injury.
1. Drain the coolant from the cooling system into a suitable container for storage or disposal.2. Shut off the fuel supply to the engine. 3. Remove fuel lines (2) from the cylinder head and fuel line manifold (1). Remove the bolts and remove fuel line manifold (1) and the bracket from the cylinder head. 4. Remove the access cover from over the camshaft and remove bolt (4) and cap (5) that hold fuel rod assembly (3) to the fuel control shaft.5. Remove bolts (7) and remove lever assembly (6) and fuel rod assembly (3) as a unit. If necessary, remove the cover from the front right side of the flywheel housing and use Tool (A) to turn the engine flywheel until the camshaft is moved in a position so the lever of rod assembly (3) can be removed between the engine block and camshaft. 6. Remove the bolts and remove valve cover base (10) and the gasket from the cylinder head.7. Remove bolt (8) and clamp (11) from the fuel injector.
Do not put a force on the fuel injection rack or cause damage to it when the injectors are removed.
8. Use a pry bar to loosen fuel injector (9) and remove the injector from the cylinder head. 9. Remove a section of water manifold (12) and elbows (13) from the cylinder head. 10. Remove the bolts that hold air inlet elbow (15) and exhaust manifold (14) to the cylinder head. 11. Fasten a strap and a suitable lifting device to cylinder head (16) with Tool (B). Remove bolts (17) and (18) to remove cylinder head (16) from the engine. The weight of the cylinder head is 45 kg (100 lb). 12. Remove head gasket (19) and the seals from the spacer plate. Remove spacer plate (20) and the gasket from the cylinder block.Install Cylinder Heads
A new spacer plate gasket must be installed when the cylinder head is removed. See the topic Remove & Install Spacer Plate".1. Thoroughly clean the spacer plate and bottom surface of the cylinder head. Install a new spacer plate gasket and the spacer plate on the cylinder block. Install a new head gasket and seals on the space plate. Do not use any adhesives.2. Put the gaskets for the exhaust manifold and air inlet elbow in position. 3. Fasten a strap and a suitable lifting device to the cylinder head with Tool (A). Put the cylinder head into position on the spacer plate.4. Put clean engine oil on the threads of the cylinder head bolts. Install the cylinder head bolts and