BOX AS-CONTROL 3644172 - Caterpillar

When it is necessary to work under the machine with the body (bed) raised, attach the body (bed) retaining cable to the rear tow point. Install the rear tow point pin through the end of the retaining cable.Failure to properly secure the body (bed) may result in personal injury or death.
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Park the machine on a level surface and engage the parking brake.
Raise the dump body to the fully raised position and install the truck body retaining cable to the rear tow point pin. For the proper procedure, refer to Operations and Maintenance Manual, "Cable (Truck Body Retaining)".
Stop the engine.
Clean the frame with a high pressure washer.
Inspect the frame for damage and for cracks. If you find cracks or damage, consult your Caterpillar dealer for specific repair procedures. Do not operate the machine until the necessary repairs have been made.Note: Refer to Special instruction, REHS0541, "Procedure for the Inspection, Repair, and Component Replacement on the Frames of Off-Highway Truck/Tractor".Rear Axle A-Frame and Differential Housing
When it is necessary to work under the machine with the body (bed) raised, attach the body (bed) retaining cable to the rear tow point. Install the rear tow point pin through the end of the retaining cable.Failure to properly secure the body (bed) may result in personal injury or death.
Raise the dump body to the fully raised position and install the truck body retaining cable to the rear tow point pin. For the proper procedure, refer to Operations and Maintenance Manual, "Cable (Truck Body Retaining)".
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Clean the rear axle a-frame and the differential housing with a wire brush or with a scraper. Inspect the designated areas for cracks. If you find cracks or damage, consult your Caterpillar dealer for specific repair procedures.
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Inspect the inside face of the rear axle a-frame in the area that is indicated by the shading. Inspect the welds of the rear axle a-frame.
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Inspect the area around the bolt holes of the rear axle a-frame.
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Inspect the bottom of the differential housing in the area that is indicated by shading.
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Inspect the top rear sides of the differential housing in the area that is indicated by shading.
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Inspect the differential housing in the area around the lower half of the differential mounting surface that is indicated by shading.