Check and Pressure Reducing Valve (Brake Accumulator) - Remove
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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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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. |
- Apply the foot brake several times until all the pressure in the brake system is relieved. Put identification marks on all lines, on all hoses, on all tubes and on all wires for installation purposes. Plug all lines, all hoses and all tubes. This helps prevent fluid loss and contamination of the oil system.
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Illustration 1 g00770906 - Loosen three retaining nuts (1) and disconnect three tubes (2) from check and pressure reducing valve (3).
- Loosen four retaining nuts (4) and disconnect four hoses (5) from check and pressure reducing valve (3).
- Cut cable strap (6) and disconnect electrical connector (7).
- Remove two bolts (8) and two washers (9) in order to remove check and pressure reducing valve (3) from the machine.
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