Blackmer Power Pump SX3A

Check the alignment of the pipes to the pump

Support pipes to prevent movement when pump flanges or union joints are disconnected

Verify proper coupling alignment

Fill Blackmer helical gear reducers with oil

Check the entire pumping system

Install vacuum and pressure gauges on the pump

Briefly turn on the power to ensure the pump rotates in the correct direction

Inspect all component parts for wear or damage

Replace worn or damaged parts as required

Wash out the bearing/seal recess of the head

Remove any burrs or nicks from the rotor and shaft

Position the pump cylinder based on rotation direction

Install a new head O-ring (72) in the groove in the head

Soak the head O-ring in 200°F (93°C) water for ease of installation

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

Remove the head assembly and all other parts on the outboard (non-driven) side of the pump.

Refer to the 'Pump Disassembly' Section for detailed instructions.

Turn the shaft by hand until a vane comes to the top (12 o'clock) position of the rotor.

Remove and replace the vane, ensuring the rounded edge is outward and relief grooves face the direction of rotation.

Rotate the shaft until the next rotor slot is in the top position, and replace the vane.

Continue this procedure until all new vanes are in place.

Ensure the pump is not running before starting lubrication

Check that grease relief fittings (76A) are not painted closed

Remove the grease relief fittings (76A) from the bearing covers (27A)

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

Replace the grease relief fittings (76A)

NOTICE: Follow all hazard warnings and instructions provided in the “maintenance” section of this manual.

NOTE: The numbers in parentheses following individual parts indicate reference numbers on the Pump Parts List.

Drain and flush the pump and system as required.

Clean the pump shaft thoroughly, ensuring it is free of nicks and burrs.

Remove the inboard bearing cover components

Discard the inboard bearing cover gasket.