Blackmer Sliding Vane Pump SGLD4B

NOTICE: Maintenance shall be performed by qualified technicians only. Follow the appropriate procedures and warnings as presented in manual

Drain and relieve pressure from the pump and system as required

Remove the head assembly from the outboard (non-driven) side of the pump

Turn the shaft by hand until a vane comes to the top position of the rotor. Remove the vane

Install a new vane, ensuring that the relief groove is facing toward the direction of rotation

Repeat steps 3 and 4 until all vanes have been replaced

Sign off on the vane replacement

NOTICE: To avoid possible entanglement in moving parts do not lubricate pump bearings, gear reducer or any other parts while the pump is running

NOTICE: If pumps are repainted in the field, ensure that the grease relief fittings are functioning properly after painting. Do NOT paint them closed. Remove any excess paint from the fittings

Pump bearings lubricated every three months at minimum

Pumps outfitted with dual seals had their oil changed after either 500 hours of operation or after any pressure event that may have caused contamination

Grease relief fittings removed from the bearing covers

Grease applied with a hand gun until grease begins to escape from the grease relief fitting port

Grease relief fittings replaced

Strainers cleaned regularly to avoid pump starvation

Barrier fluid tank pressure reading

Warning: A small amount of pumping fluid/gas may have leaked into the barrier oil. Take the proper precautions when venting

Seal drain plugs removed from bottom of seal cartridges

Oil drained from each seal and barrier pot

Plugs replaced and barrier pot filled with new barrier oil to the seal pot manufacturer recommended volume

NOTICE: Follow all hazard warnings and instructions provided in the 'Maintenance' section of this manual

Drain and relieve pressure from the pump and system as required

Clean the pump shaft thoroughly, making sure the shaft is free of nicks and burrs

Remove the inboard bearing cover capscrews and slide the inboard bearing cover and gasket off the shaft. Discard the bearing cover gasket

Remove the outboard bearing cover capscrews and slide the outboard bearing cover and gasket off the shaft. Discard the bearing cover gasket

Bend up the engaged lockwasher tang and rotate the locknut counterclockwise to remove it from the shaft. Slide the lockwasher off the shaft. Inspect the lockwasher for damage and replace as required

Remove seal cartridge capscrews and insert two of these capscrews into threaded holes on seal cartridge. Use the protruding capscrews as handles and pull seal cartridge assembly away from pump housing

Remove the head ring capscrews and carefully pry the head ring away from the casing. Take care not to damage head ring or casing. Slide the head ring off the shaft. The head O-ring, will come off with the head assembly. Remove and discard the head O-ring

With one swift motion, pull the bearing from the housing in the seal cartridge assembly. Remove and discard seal cartridge O-ring