Removal Procedure
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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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Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire. Turn the disconnect switch OFF when draining and/or removing any fuel system components. |
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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, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
- Open the hood. Refer to Operation and Maintenance Manual, SEBU7204, "Engine Compartment Hood - Raise".
- Close the valve from the fuel tank. Drain the excess fuel into a suitable container for storage or disposal.
- Loosen two clamps (3) and remove two hoses (2) and the flexible conduit from two elbows (5) .
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| Illustration 1 | g00566285 |
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| Illustration 2 | g00566264 |
- Loosen two clamps (7) and remove two hoses (8) and the flexible conduit from two elbows (6) .
- Remove two bolts (4) and the washers. Remove cooler bypass valve (1) from the engine.
- Remove two elbows (5), two elbows (6) and the O-ring seals from the cooler bypass valve.
Installation Procedure
Note: Check the hoses, clamps and O-ring seals for wear or damage. Use new replacement parts, if necessary.
- Install the O-ring seals, two elbows (5) and two elbows (6) to cooler bypass valve (1) .
Note: Do not tighten the four elbows until the hoses have been routed correctly to the elbows.
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| Illustration 3 | g00566285 |
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| Illustration 4 | g00566264 |
- Install cooler bypass valve (1) to the engine with two bolts (4) and the washers.
- Install two hoses (8), the flexible conduit and two clamps (7) to two elbows (6). Tighten the clamps.
- Install two hoses (2), the flexible conduit and two clamps (3) to two elbows (5). Tighten the clamps.
- Open the valve from the fuel tank.
- Close the hood. Refer to Operation and Maintenance Manual, SEBU7204, "Engine Compartment Hood - Lower".