611 Wheel Tractor-Scraper 3306B Engine Supplement Caterpillar

Engine Oil Cooler - Remove and Install

Usage:

611 6SZ

Removal Procedure

Start By:

Remove the transmission oil cooler. Refer toDisassembly and Assembly, "Transmission Oil Cooler - Remove". The information is in this manual.

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. 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 in Caterpillar machines. Dispose of all fluids according to local regulations and mandates.

Drain the engine oil from the engine crankcase into a suitable container. The capacity of the engine crankcase is 24 L (25.5 qt).

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Illustration 1	g00345150

Remove four bolts (1) that secure the engine oil cooler to oil filter base (2) .

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Illustration 2	g00345148

Remove four bolts (3) from engine oil cooler (4). Remove engine oil cooler (4) and two gaskets from the engine.

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Illustration 3	g00348013

Remove four bolts and elbow (5) from engine oil cooler (4). Remove bolt (8) and elbow (7) from engine oil cooler (4). Remove O-ring seals (6) from elbows (5) and (7) .

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Illustration 4	g00345043

Use dowel rod (9) to clean engine oil cooler (4). The diameter of dowel rod (9) is 3.96 mm (.156 inch).

Installation Procedure

Inspect the O-ring seals and the gaskets that were removed from the assembly for wear or damage. If the O-ring seals and the gaskets are worn or damaged, use new Caterpillar parts for replacement.

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Illustration 5	g00348013

Install O-ring seals (6) in elbows (5) and (7). Install elbows (5) and (7) on engine oil cooler (4) .

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Illustration 6	g00345148

Install the gaskets on engine oil cooler (4). Install engine oil cooler (4) and bolts (3) to the engine.

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Illustration 7	g00345150

Position the engine oil cooler to oil filter base (2). Install four bolts (1) that secure the engine oil cooler to oil filter base (2) .

End By: Install the transmission oil cooler. Refer to Disassembly and Assembly, "Transmission Oil Cooler - Install". The information is in this manual.