Start By:
- Purge the air from the air tanks. Refer to Disassembly and Assembly, "Air Tanks (Brake) - Purge".
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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, PERJ1017, "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. |
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Personal injury can result from removing hoses or fittings in a pressure system. Failure to relieve pressure can cause personal injury. Do not remove or disconnect hoses or fittings until all pressure in the air system has been relieved. |
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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 relieve pressure. Cooling system conditioner contains alkali. Avoid contact with the skin and eyes to prevent personal injury. |
- Install caps and plugs on all connections in order to prevent system contamination.
- Drain the cooling system to a level below the air compressor. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct procedure to drain the coolant.
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Illustration 1 g00556149 - Disconnect three tube assemblies (2), (3) and (5) from air compressor (1). Disconnect hose assembly (4) from air compressor (1).
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Illustration 2 g00556150 - Disconnect hose assembly (7) from governor assembly (6). Remove tie strap (8).
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Illustration 3 g00556152 - Disconnect tube assembly (10) from air compressor (1). Remove the bolt, the washer and clip (9).
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Illustration 4 g00556153 - Remove three full nuts (11) and the washers that hold air compressor (1) to the engine.
- Use two people in order to slide air compressor (1) and the integral seal off the studs and away from the engine. The weight of air compressor (1) is
27 kg (60 lb) .Note: Refer to Air Compressor, REG00914, "Disassembly and Assembly" for the correct procedure to disassemble the air compressor and assemble the air compressor.
- Check all of the O-ring seals and the components for wear or damage. Replace the components, if necessary.
- Lubricate all of the O-ring seals lightly with the lubricant that is being sealed.
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Illustration 5 g00556153 - Lubricate the bore of the flywheel housing with clean engine oil.
- Use two people in order to slide the integral seal and air compressor (1) to the studs. The weight of air compressor (1) is
27 kg (60 lb) . - Install three full nuts (11) and the washers to air compressor (1).
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Illustration 6 g00556152 - Connect tube assembly (10) to air compressor (1). Install clip (9), the bolts and the washer.
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Illustration 7 g00556150 - Position the wire assembly, as shown. Install a new tie strap (8). Connect hose assembly (7) to the governor assembly (6).
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Illustration 8 g00556149 - Connect hose assembly (4) to air compressor (1). Connect three tube assemblies (2), (3) and (5) to air compressor (1).
- Refill the cooling system. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct procedure to fill the coolant.
End By:
- Close the drain valves. Refer to Disassembly and Assembly, "Air Tanks (Brake) - Purge".