140 RLC-SVX07A-EN
Maintenance
Oil Filter Change
NOTE: Routine changing of the oil or the oil filter is not recommended. The
oil filter is oversized for this application and should not require replacement.
The oil and filter should be replaced only if analysis reveals that the oil is
contaminated. Oil type and system capacities are shown in Table 1.
Pressure drops across the oil filter is shown in Figure 46. Oil filter pressure
drop is the difference between the pressure at the oil filter cover plate
Schrader valve and the pressure at the compressor oil supply Schrader valve,
on top of the compressor.
To change the oil filter in the unit, refer to Figure 45 and follow the steps listed
below.
1. Shut off the compressor and disconnect all electrical service to the
compressor.
2. Connect manifold gauge sets to the backseat ports of the suction and dis-
charge service valves and the Schrader valves on the oil filter cover plate.
3. Frontseat the suction and discharge service valves. Close the manual oil
shutoff valve at the oil supply to the compressor.
4. Recover refrigerant from the three connections in Step 2.
NOTE: The Schrader valve may have a high quantity of oil.
Figure 44 System Oil Level Specifications
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