CIRCUIT BREAKER 3151123 - Caterpillar

Install the wheel chocks. Refer to Disassembly and Assembly, "Wheel Chock (Front and Rear) - Remove and Install".
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.
Personal injury can result from hot oil or hot components.At operating temperature, oil is hot and under pressure. Hot oil can cause burns.Remove the fill cap only when the engine is stopped, and the fill cap is cool enough to touch with your bare hand.Do not allow hot oil or components to contact skin.
Note: Cleanliness is an important factor. Before the removal procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.Note: Put identification marks on all hose 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 prevent contaminants from entering the system.
Drain the hydraulic oil from the steering hydraulic tank into a suitable container. The capacity of the steering hydraulic tank is 129 L (34 US gal). Refer to Operation and Maintenance Manual, "Steering System Oil - Change".
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Rod end of cylinder
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Head end of cylinder
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Disconnect lubrication hose (1) from the plug (2) at each end of the steering cylinder (4) .
Disconnect hose assembly (3) from each end of the steering cylinder (4) .
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Use a screwdriver in order to remove retaining ring (5) and plug (2) at each end of the steering cylinder (4) .
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Install Tooling (A) in order to hold the ballstud (6) while the locknut (7) is being loosened.
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Shown for photo purposesNote: Do not remove the locknut (7) completely from the ballstud (6) until the ballstud has been broken loose from the taper.
Use Tooling (B) in order to loosen locknut (7). Loosen the locknut until the locknut is even with the bottom of the ballstud (6) .
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The tooling is shown on the steering link instead of the steering cylinder for photo purposes.
Position Tooling (C) just between the steering cylinder (4) and the steering arm (8), as shown.
Strike Tooling (C) with a hammer.
Repeat Steps 5 through 8 in order to loosen the ballstud at the opposite end of steering cylinder.
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Position Tooling (D) in order to support the weight of the steering cylinder (4). The weight of steering cylinder is approximately 101 kg (223 lb).
Remove locknut (7) from each ballstud (6) .
Remove steering cylinder (4) .
Repeat Steps 2 through 12 in order to remove the remaining steering cylinder.
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Use a suitable press to remove spherical bearing race (10) and ball stud (6) at each end of the steering cylinder (4) .
Remove retaining