Piston silicone rubber oil seals.Seal faces are lapped to within two to four helium light bands (.0000232 to .0000464 inches). This critical tolerance makes a shaft seal one of the most precise pieces of equipment in your facility.
The coil springs are responsible for pushing the rotating seal up against the stationary seat, compensating for wear throughout its lifetime. However, the springs can break and cause the jingling sound. Take quick action to replace the seal before the broken components cause further damage.
Cures for the Common Leak
A seal should not leak more than three drops during the first 15 minutes after installation. This is normal during the break in period of 15 to 30 minutes. More than 3 drops probably indicates an installation error.Piston silicone rubber oil seals.
Common installation errors include failing to protect the sealing surfaces and failing to check critical dimensions and seal position. These reasons, plus contaminated lubrication, are the 3 most common causes of leaky shaft seals. The following has more details.Piston silicone rubber oil seals.
The shaft or shaft sleeve must be closely inspected for any burrs or sharp edges before positioning the seal during installation. Pay careful attention to key ways and setscrew areas.
A common mistake is to use a knife or sharp edged tool to remove an o-ring that is to reused. You can prevent cutting an o-ring by using a tooth pick.Piston silicone rubber oil seals.
The o-ring material is also important. Replacement o-rings must be made from material that is compatible with the compressor lubricant and operating conditions.The seal must be handled with care. Never drop or bump a shaft seal.Piston silicone rubber oil seals.
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