Blackmer Sliding Vane Pump SGLD2

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

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

Remove locknuts and lockwashers

Remove the head capscrews and carefully pry the head away from the casing

Slide the head off the shaft. The head O-ring, bearing, mechanical seal stationary seat and stationary O-ring will come off with the head assembly

Remove and discard the head O-ring

Remove the four disc machine screws and lockwashers to release the disc from the head

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: 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

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

Sign off on the pump bearing lubrication