D250E Series II and D300E Series II Articulated Trucks Machine Systems Caterpillar

Front Suspension Cylinder - Remove

Usage:

Removal Procedure

Start By:

Remove the front tires and rims. Refer to Disassembly and Assembly, "Tire and Rim - Remove and Install". See Operation and Maintenance Manual, SENR9128 for the correct procedure.
Remove the Fenders. Refer to Disassembly and Assembly, "Fender - Remove and Install". The information is in this manual.

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At operating temperature, the hydraulic tank is hot and under pressure.
Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin.

Remove the filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. Remove the filler cap slowly in order to relieve pressure.

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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 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, "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.

Put identification marks on all lines, hoses, wires, and tubes for installation purposes. Plug all lines, hoses and tubes. This helps prevent fluid loss and contamination of the oil system.
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Illustration 1 g00527418
Attach nylon lifting straps to front suspension cylinder (1), as shown.
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Illustration 2 g00527452
Disconnect grease line (6) from special washer (3). Remove nut (4), bolt (5), the washers and special washer (4) that secures The retention pin in cylinder (1) and mounting bracket (2). Remove the retention pin from the cylinder and the mounting bracket.
Disconnect hydraulic hose (7) from fitting (8). Remove the O-ring seal from hose (7).
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Illustration 3 g00527416
Disconnect grease line (10) from special washer (9). Remove nut (13), bolt (11), the washers and special washer (9) that secures the retention pin in cylinder (1) and mounting bracket (12). Remove the retention pin from cylinder (1) and mounting bracket (12).
Use the hoist in order to remove the suspension cylinder from the mounting brackets. The weight of the cylinder is 68 kg (150 lb).
Remove the suspension cylinder on the other side of the machine by using the same method.