Cooling System Relief Valve - Clean
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5230B Excavator
[SEBU7271]
COOLING SYSTEM
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Illustration 1 | g00818904 |
The cooling system relief valve is located underneath access panel (1) in front of the engine air cleaner on the upper deck. Clean the relief valve or replace the relief valve if the system overheats or if you observe a loss of coolant.
- Lift access panel (1) .
- Slowly loosen the radiator caps in order to relieve system pressure. Remove the radiator caps.
- Remove the bolts from the valve assemblies and remove the valve assemblies.
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Illustration 2 | g00818905 |
(2) Relief valve for the jacket water cooling system (3) Relief valve for the water cooled aftercooler system |
- Inspect valve (3), valve seal (4), and gaskets (5). If necessary, replace the valve, the seal, or the gaskets.
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Illustration 3 | g00686346 |
- Inspect valve cover (6) and mounting bolts (7) .
- Assemble the relief valve assemblies and install the relief valve assemblies.
- Install the radiator caps.
- Close access panel (1) .
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