GRAPPLE GP-HYDRAULIC 4623807 - Caterpillar

Removal Procedure
Note: Cleanliness is an important factor. Before you begin the removal procedure, the exterior of the components should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
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 Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Note: Put identification marks on all hoses, on all hose assemblies, on all harness assemblies, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.
Drain the fuel tank into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Fuel Tank Water and Sediment - Drain".
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Remove the rear wheels and tires (2) that are near fuel tank (1). Refer to Disassembly and Assembly, "Wheel and Tire (Rear) - Remove and Install".
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Remove three bolts (3) in order to remove step assembly (4). Use two people in order to remove step assembly (4). The weight of step assembly (4) is approximately 25 kg (55 lb).
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Disconnect harness assembly (5) .
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Loosen clamp (8). Disconnect hose assembly (7). Disconnect hose (6). Remove bolt (9), the washer, and tube (10) (not shown).
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Loosen clamps (12). Remove tube (11) from hose (13) .
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Disconnect hose assembly (14) .
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Loosen clamps (15) and remove hose (16) .
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Remove bolts (17) and remove bracket (18) .
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Remove bolts (19) and remove bracket (20) .
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Remove bolts (21) and remove bracket (22). Use two people in order to remove fuel tank (1) from the machine. The weight of fuel tank (1) is approximately 36 kg (80 lb).
Repeat Steps 3 through 12 in order to remove the fuel tank on the opposite side of the machine.