Blackmer Blackmer Centrifugal Pump A2x3-10 A2x3-10

Warning: This procedure requires trained personnel with PPE!

Pump bearing frame filled with high quality, anti-foaming turbine oil containing rust and oxidation inhibitors

Is the bearing temperature below 180° F (82° C)?

Are there severe environmental conditions, such as dust, moisture and corrosive atmospheres?

If severe environmental conditions are present, oil should be changed more frequently

Sign off on the bearing oil lube replacement

CAUTION! Always use a lifting device capable of supporting the full weight of the pump components or assemblies

WARNING! Personal protective equipment must be worn if there is a potential for handling hazardous or toxic materials. Fluid must be handled and disposed of in accordance with local and national regulations. Pump must be isolated by closing suction and discharge valves before working on the pump

WARNING! Lock-out power to the driver before working on the pump. Failure to properly lock-out driver could result in accidental start, causing personal injury

CAUTION! Do not adjust or disassemble any pressure containing component or shaft seal prior to depressurizing the primary and auxiliary fluid systems. This will ensure that no hazardous or high pressure fluid is ejected that may cause personal injury or equipment damage

If pump has a C-frame adapter and power is rigid piped, disconnect the power connection at driver

Disconnect the coupling between the pump and the driver shafts by removing the spacer piece between the hubs. If the pump has a motor adapter and the driver is suspended and wired with flexible conduit, the coupling will not have to be removed

For vertical installations bearing grease must be used in place of oil

Use a premium quality lithium grease, having an NLGI 2 or 3 consistency and a base oil viscosity of 68 centistokes minimum at 40°C

When reassembling a pump, the bearings are best pre-greased after assembly onto the shaft

The bearings should be packed full with grease and the bearing housing adjacent to the bearings packed one third to one half full

NOTICE: Never mix greases of different consistencies

Please note that vertical pumps are all grease lubed and that bearings are greased at the factory, thus no additional grease at installation is required

Re-greasing Intervals: For back to back angular contact, single and double row bearings, add several shots of grease from a grease gun at following intervals

At 950 RPM, add grease every 5500 hours

At 1180 RPM, add grease every 5000 hours