Section 5
Recirculation System
20425595
5-2005/Rev 0
5-6
Figure 5-5: Oil Filter Assembly
1. Use a filter wrench to unscrew the filter element from the filter head. Ensure the old
gasket is removed with the filter.
2. Lubricate the gasket on the new element with fresh oil.
3. Use the filter wrench to screw the new element onto the filter head and hand-tighten. Do
not over tighten.
4. Start the machine and check for leaks.
Operating Temperature Adjustment
The cooling water flow to the heat exchanger is regulated by the water modulating valve, a
manually adjusted, thermostatic control valve. The valve is factory set to maintain the operating
oil temperature at 115° F (46° C). In most cases, adjustment will be required at commissioning,
and with seasonal changes to cooling water temperature. The temperature is adjusted by
increasing or decreasing the spring tension on the valve.
Figure 5-6: Water Modulating Valve
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