KIT-SEAL 1237531 - Caterpillar

Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.
Illustration 1 g01361765
Attach a suitable lifting device to cylinder head (7) . The weight of cylinder head (7) is approximately 147 kg (325 lb). Position cylinder head (7) .
Illustration 2 g01361697
Note: Examine bolts (5) for wear or for damage. Refer to Reuse And Salvage Guidelines, SEBF8301, "Inspection and Reuse of Critical Fasteners Used in All Engines". Replace with new bolts (5) , if necessary.
Install bolts (5) and bolts (6) .
Illustration 3 g02083414
Bolt tightening sequenceNote: Lubricate the bolts with clean engine oil prior to assembly.
Tighten bolt (1) through bolt (26) in a numerical sequence.Tighten the bolts to the following torque. ... 160 15 N m (118 11 lb ft)
Tighten bolt (1) through bolt (26) again in a numerical sequence.Tighten the bolts again to the following torque. ... 160 15 N m (118 11 lb ft)
Place a mark on bolt (1) through bolt (26) . Rotate bolt (1) through bolt (26) in a numerical sequence.Rotate the bolts in the clockwise direction. ... 90 degrees (1/4 turn)
Loosen bolt (1) through bolt (26) until the washers are loose under the bolt heads.
Tighten bolt (1) through bolt (26) in a numerical sequence.Tighten the bolts to the following torque. ... 160 15 N m (118 11 lb ft)
Tighten bolt (1) through bolt (26) again in a numerical sequence.Tighten the bolts again to the following torque. ... 160 15 N m (118 11 lb ft)
Place a mark on bolt (1) through bolt (26) . Rotate bolt (1) through bolt (26) in a numerical sequence.Rotate the bolts in the clockwise direction. ... 90 degrees (1/4 turn)
Tighten bolt (27) through bolt (32) in a numerical sequence.Tighten the bolts to the following torque. ... 28 7 N m ( 21 5 lb ft)
Illustration 4 g01361667
Position bracket (2) and install bolts (3) .
Install bolts (4) .
Illustration 5 g01361659
Install tube assembly (1) .End By:
Install the unit injectors. Refer to Disassembly and Assembly, "Unit Injector - Install".
Install the rocker arm and shaft. Refer to Disassembly and Assembly, "Rocker Arm and Shaft - Install".
Install the inlet manifold. Refer to Disassembly and Assembly, "Inlet Manifold - Install".
Install the fuel filter base. Refer to Disassembly and Assembly, "Fuel Filter Base - Remove and Install".
Install the fuel rail and the fuel manifold. Refer to Disassembly and Assembly, "Fuel Rail and Fuel Manifold - Install".
Install the fan drive mounting group. Refer to Disassembly and Assembly, "Fan Drive Mounting Group - Remove and Install".
Install the exhaust manifold. Refer to Disassembly and Assembly, "Exhaust Manifold - Remove and Install".