Removal Procedure
Start By:
- Remove the muffler. Refer to Disassembly and Assembly, "Muffler - Remove and Install".
| NOTICE |
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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, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
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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. |
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Note: Put identification marks on all lines, on all hoses, on all wires and on all tubes for installation purposes. Plug all lines, all hoses and all tubes. This will help to prevent fluid loss and this will help to keep contaminants from entering the system.
- Drain the cooling system. The capacity of the cooling system is 49 L (13 US gal).
- Remove bolts (1) and exhaust elbow (2) .
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| Illustration 1 | g00345703 |
- Loosen hose clamps (3) and (4) .
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| Illustration 2 | g00758200 |
- Loosen hose clamp (5) .
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| Illustration 3 | g00346184 |
- Remove two bolts (7). Install two M8 x 1.25 x 85 mm studs (6) in the existing bolt holes.
Note: Studs (6) will prevent the air inlet heater from falling.
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| Illustration 4 | g00346182 |
- Remove bolts (7) and aftercooler (8) .
- Remove gasket (9) from aftercooler (8) .
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| Illustration 5 | g00346185 |
Installation Procedure
- Install gasket (9) on air inlet heater (10) .
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| Illustration 6 | g00346186 |
- Install aftercooler (8) .
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| Illustration 7 | g00346182 |
- Apply 8T-9016 Gasket Sealant to bolts (7) .
- Install bolts (7). Tighten bolts (7) evenly. The torque for bolts (7) is 28 ± 7 N·m (21 ± 5 lb ft).
- Remove studs (6). Install two remaining bolts (7). The torque for bolts (7) is 28 ± 7 N·m (21 ± 5 lb ft).
- Tighten hose clamp (5) .
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| Illustration 8 | g00346184 |
- Tighten hose clamps (3) and (4) .
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| Illustration 9 | g00758200 |
- Install exhaust elbow (2) and bolts (1) .
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| Illustration 10 | g00345703 |
- Fill the cooling system. Refer to Operation and Maintenance Manual, SEBU7018 for the correct procedure.
End By: Install the muffler. Refer to Disassembly and Assembly, "Muffler - Remove and Install".