Caterpillar Skid Steer Loader 226B

NOTICE: Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Note: The three cylinder and the four cylinder engines have different exhaust manifolds. The installation procedure is similar for all models.

Ensure that the mating surfaces of the cylinder head and the exhaust manifold are clean and free from damage.

If necessary, install exhaust manifold studs (2) to cylinder head (1).

Install a new exhaust manifold gasket (3) to cylinder head (1).

Align exhaust manifold (4) with studs (2) and install the exhaust manifold to cylinder head (1). Note: Ensure that the exhaust manifold is installed in the correct orientation.

Install nuts (5) and bolts (6) finger tight. Note: Ensure that bolts of different lengths are installed in the correct positions.

For the C1.1 and C1.5 engines, tighten nuts (5) and bolts (6) to a torque of 10 N·m (89 lb in). For the C2.2 engine, tighten nuts (5) and bolts (6) to a torque of 25 N·m (18 lb ft). Note: Tighten the inner bolts first.

End By: a. If the engine is equipped with a turbocharger, install the turbocharger. Refer to Disassembly and Assembly, 'Turbocharger - Remove and Install'.

Start By: If the engine is equipped with a turbocharger, remove the turbocharger. Refer to Disassembly and Assembly, 'Turbocharger - Remove and Install'.

NOTICE: Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Note: The three cylinder and the four cylinder engines have different exhaust manifolds. The removal procedure is similar for all models.

Loosen nuts (5) and bolts (6). Note: To prevent distortion of the exhaust manifold, loosen the outer fasteners first.

Remove nuts (5) and bolts (6). Note: Identify bolts of different lengths so that the bolts can be installed in the correct positions.

Remove exhaust manifold (4) from cylinder head (1). Note the orientation of the exhaust manifold for installation.

Remove gasket (3) from cylinder head (1).

If necessary, remove exhaust manifold studs (2) from cylinder head (1).

Sign off on the exhaust manifold removal

NOTICE: Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Note: The installation procedure is similar for the three cylinder and the four cylinder engines. The Illustrations show a four cylinder engine.

Clean the mating surfaces of the cylinder block and the fuel injection pump.

Enter the correct thickness and the correct number of shims (3) on the mounting face of the cylinder block.

Position fuel injection pump (1) close to the mounting face of the cylinder block, and connect link (6) and fuel rack control (5) with clip (7).

Align fuel injection pump (1) with the studs on the cylinder block. Install the fuel injection pump to the cylinder block.

Install bolts (4) and nuts (2). Ensure that the tube clip for the engine oil line is secured by the appropriate fastener.

Enter the torque value for bolts (4) and nuts (2)

Install the fuel injection lines.

Start By: a. Remove the fuel shutoff solenoid. Refer to Disassembly and Assembly, 'Fuel Shutoff Solenoid - Remove and Install'.

NOTICE: Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Dispose of all fluids according to local regulations and mandates.

NOTICE: Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Note: The removal procedure is similar for the three cylinder and the four cylinder engines. The Illustrations show a four cylinder engine.

Remove the fuel injection lines. Refer to Disassembly and Assembly, 'Fuel Injection Lines - Remove and Install' for more information.

For engines with a flexible fuel return hose, disconnect the fuel hose from the inlet connection of the fuel injection pump.

Gradually loosen bolts (4) and nuts (2) that fasten the fuel injection pump to the cylinderblock.

Carefully raise fuel injection pump (1) from the cylinder block and remove clip (7) that connects link (6) to fuel rack control (5).

Remove fuel injection pump (1) from the cylinder block.

NOTICE: Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Clean the bore for the fuel injector in the cylinder head. Ensure that no debris enters the cylinder. Clean the threads on the body of the fuel injector.

Install new seat washer (2) into the bore for the fuel injector in the cylinder head.

Apply a bead of Tooling (A) to the first two threads of the fuel injector that engage into the cylinder head. The bead should have a diameter of 2 mm (0.08 inch) and a length of 6 mm (0.25 inch). Note: Ensure that Tooling (A) does not cover the body of the fuel injector below the threads.

Install fuel injector (1) into the cylinder head. Use a deep socket to tighten the fuel injector to a torque of 64 N·m (47 lb ft).

End By: a. Install the fuel injection lines. Refer to Disassembly and Assembly, 'Fuel Injection Lines - Remove and Install'.

Sign off on the fuel injector installation