BASE 4P8861 - Caterpillar

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.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Personal injury can result from hot coolant, steam and alkali.At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.Remove cooling system pressure cap slowly to relieve pressure only when engine is stopped and cooling system pressure cap is cool enough to touch with your bare hand.Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns.Cooling System Coolant Additive contains alkali. Avoid contact with skin and eyes.
Personal injury or death may result from failure to adhere to the following procedures.Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire.Clean up all leaked or spilled fuel. Do not smoke while working on the fuel system.Turn the disconnect switch OFF or disconnect the battery when changing fuel filters.
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Loosen clamp (3). Remove bolt (1) and remove dust ejector assembly (2).
Remove bolt (5) and disconnect sensor assembly (4).
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Disconnect hose assembly (6).
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Open door (7).
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Remove bolts (8) and support assembly (9) along with the door.
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Disconnect harness assembly (10) and hose assembly (11).
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Loosen clamp (12) and disconnect hose assembly (13).
Disconnect tube assemblies (14).
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Remove bolts (15) and channel assembly (16).
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Loosen clamp (17) and remove tube assembly (18).
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Remove bolts (20). Disconnect and reposition clamps (19) and (21) from the clean emissions module.
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Attach suitable device to clean emissions module (22). The weight of clean emissions module (22) is approximately 300 kg (661 lb).
Remove bolts (23) and clean emissions module (22).Installation Procedure
Install the clean emissions module in the reverse order of removal.
Final installation torque for sensor assembly (4) is 50 10 N m (37 7 lb ft).