Symptoms Possible Causes Excessive Vibration 1-4-5-6-8-9-10-11-12-13-14-15-22-23-24-25 Compressor Surges 6-7-16-17 Loss of Discharge Pressure 18-19-20 Low Lube-Oil Pressure 27-29-30-31-32-36-37-38-39-40-41 Excessive Bearing Oil Drain Temperature 2-3-21-28-33-34-35-42-43-44 Units…

Symptoms Possible Causes Noise Vibration Knocking 7-8-9-10-11-12-14-15-17-18-25 Vibration 3-11-14-18-19-25-32 Pressure Discharge Pressure High 3-25 Discharge Pressure Low 1-3-5-23-24-32 Inter-Cooler Pressure High 2-4-6-27 Inter-Cooler Pressure Low…

Step 1 Define the desired performance. Define the deviation from that performance. This is the real problem. Step 2 Analyze the cause of the deviation,…

Obtaining proper coatings to achieve acceptable rod life depends largely on (1) good communications between user and coating vendor, (2) selection of qualified coating facilities,…

Figure 800-15 summarizes composition of the various types of commonly used coatings plus compatible packing materials.

In some instances, a metallic undercoat such as nickel or nickel alumide is applied between the base metal and the hardface coating. Metallic undercoats are…

Electroplating procedures, such as chromium plating, have been widely used for many years. The combination of high hardness, corrosion resistance, and low coefficient of friction…

Flame plating procedures such as Linde’s Detonation Gun provide a bond which is both mechanical and metallurgical in nature. The Detonation Gun procedure is a…

Plasma spray coatings are produced by passing powdered material through a specially designed gun which ionizes an inert gas to form a plasma. Flame temperatures…

Metal spray is the process of applying molten metal to the surface of the rod to form a hard, wear-resistant coating. The coating material is…