Heavy Duty Balanced Opposed Compressors
Heavy Duty Balanced Opposed Compressors
Heavy Duty Balanced Opposed Compressors
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FOR MODELS: JG AND JGA SECTION 5 - MAINTENANCE<br />
Types of Piston Rod Packing Rings<br />
Type "P" Pressure Breaker<br />
This is a single ring. It is cut radially into three equal segments. Total end clearance for the<br />
ring is 0.022 to 0.028 inches (0.56 to 0.71 mm) for PEEK rings and 0.011 to 0.017 inches<br />
(0.28 to 0.43 mm) for bronze and cast iron rings. This ring breaks down or slows the gas flow<br />
without sealing it completely. This end gap should be maintained by adjusting the ring gap or<br />
replacing the ring. See Figure 5-13:.<br />
Radial Cut<br />
Letters toward pressure/cylinder<br />
FIGURE 5-13: TYPE “P” PRESSURE BREAKER<br />
11/01 PAGE 5 - 27
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