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Personal injury can result from hydraulic oil pressure and hot oil. Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system. Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. |
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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 to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations. |
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes.
- Start the engine.
- Lift the screed. Fully extend the extenders.
- Engage the travel locks. Lower the screed onto the travel locks. Turn off the machine.
- Release the system pressure. Refer to Disassembly and System, "System Pressure - Release".
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Illustration 1 g03683815 - Remove four bolts, the four washers, and cover assembly (2).
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Illustration 2 g03684275 - Disconnect five harness assemblies (3) from solenoid valve (height, end gate) (4).
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Illustration 3 g03684276 - Disconnect six hose assemblies (5) from solenoid valve (height, end gate) (4).
- Remove two bolts (6), the four washers, the two nuts, and solenoid valve (height, end gate) (4).
- Install solenoid valve (height, end gate) (4) in the reverse order of removal.