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Pneumatic Pump System: How Maintenance Should Be Done

May 13, 2020

A pneumatic pump system uses the force of pressurised gases or air to move media and generate mechanical effects. Usually, this system is controlled by a manual or automatic solenoid valve, enabling it to generate large amounts of power. With a pneumatic pump system, you can expect to obtain a more flexible, cheaper, and safer alternative to electric or gas-powered motor systems.

The components of a pneumatic pump system normally require less maintenance than other types of systems. However, you must still inspect it regularly as a form of preventive maintenance that can ultimately help you prolong its operating life and maintain great pneumatic controls. The following are some helpful tips when it comes to maintaining a pneumatic pump system.

Clean Components

Cleaning with cotton waste or other cloths that have lint is not recommended for the components of the pneumatic pump system. Also, remember to plug the hose ends when changing a cylinder to keep the impurities out. And when you clean the pneumatic cylinders, you must check out for the blind end and piston rods with links. Additionally, your components and actuators of the pneumatic pump system must be cleaned every four weeks.

Replace Components

The replacement of components depends on the recommended schedule of your pneumatic pump system’s manufacturer. For most systems, their air filter must be replaced every six months. On the other hand, pneumatic air mufflers or silencers must be replaced or cleaned as needed.

Lubricate the Seal

One component of a pneumatic pump system that wears off easily is its seal. A seal can be damaged prematurely due to insufficient lubrication, improper installation, defective slide surface, and impurities. If you decide to replace your valve or cylinder seals, then make sure that you lubricate them and their slide surfaces with silicon or paraffin grease. Refrain from using Molykote-type grease as it contains hard particles that can cause your seals to wear out. It is also important that you do not apply too much lubricant since too thick a layer can prevent your seals from functioning properly.

Adjust the Oil Mist

The oil mist lubricators on your pneumatic pump system must be adjusted and filled correctly. They must also be lubricated appropriately to avoid any discrepancies and problems during operations.

The viscosity range of the oil for your oil mist lubricators must be 9 to 11 mm 2/3 (=cSt) at 40°C and ISO-Class VG 10 S as per ISO 3448.

Prevent Air Leaks

Any compressed air leaks on your components can lead to improper operation of the whole pneumatic pump system. To mitigate any leaks, you can use gaskets or an appropriate Loctite compound. When you opt to use an adhesive compound, you must make sure that the circuit is depressurised until the compound has fully cured.

Maintenance of pneumatic pump systems must be done correctly and regularly to avoid any issues while operations. If you want help with their maintenance, just give us a call at Parker Pumps. Our wide range of knowledge allows us to offer you an economical service in maintaining your pumps in a reliable condition.

Parker Pumps

29B Ormond Rd., East Geelong VIC 3219

Phone: (03) 5229 7443

Email: sales@parkerpumps.com.au

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