PIN 3H7161 - Caterpillar

Removal Procedure
Start By:
Remove the heat shields, if equipped.
Remove the cover for the fuel injectors. Refer to Disassembly and Assembly, "Fuel Injector Cover - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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.
Illustration 1 g01230033
Typical example
Remove the breather tube (3) from the valve mechanism cover (1). Refer to Disassembly and Assembly, "Crankcase Breather - Remove and Install".
Remove the fasteners (2). Remove the valve mechanism cover (1). Remove the joint for the valve mechanism cover and discard the joint. Installation Procedure
Illustration 2 g01230033
Typical example
Thoroughly clean the valve mechanism cover (1). Ensure that the groove for the joint for the valve mechanism cover (1) is clean and dry. Ensure that the mating face on the cylinder head is clean and dry.
If the valve mechanism cover (1) is equipped with an oil filler cap, check the condition of the O-ring for the oil filler cap. If necessary, replace the O-ring.
Install a new joint to the valve mechanism cover (1) and install the valve mechanism cover onto the cylinder head.
Check the condition of the fasteners (2). Replace the fasteners (2), if necessary. Install the fasteners (2).
Illustration 3 g01018519
Sequence for tightening the fasteners for the three cylinder engine
Tighten the fasteners for the valve mechanism cover in the sequence that is shown in Illustration 3. Tighten the fasteners to a torque of 9 N m (80 lb in).
Connect the breather tube (3) to the valve mechanism cover (1). Refer to Disassembly and Assembly, "Crankcase Breather - Remove and Install". End By:
Install the cover for the fuel injectors. Refer to Disassembly and Assembly, "Fuel Injector Cover - Remove and Install".
If equipped, ensure that the heat shields are clean and free from dust, oil, and paint. Install the heat shields.