Blackmer Sealed Internal Gear Pump G2-69

WARNING: For G Series pumps equipped with jacketed casing, ensure pump is fully cooled prior to conducting inspection, repair or maintenance

G Series pumps must be maintained and kept as clean as possible. This will allow for quick inspection, adjustment and repair work.

If a pump is to be stored for more than six (6) months, the pump must be drained prior to storing. A light coat of light oil should be applied to all internal pump parts in order to prevent corrosion.

Is the pump to be stored for more than six (6) months?

Has a light coat of light oil been applied to all internal pump parts?

Operators should also lubricate the fittings and apply grease to the pump shaft, while periodically rotating the pump shaft by hand one (1) complete revolution every 30 days to circulate the oil

Remove all flush lines if installed

Slide the packing gland out of the stuffing box

Remove the pipe plug in the bracket

Loosen the two (2) set screws on the mechanical seal collar

Remove the mechanical seal collar

All flush lines or barrier fluid tubes disconnected

Set screws on the seal collar loosened

Two (2) gland fasteners removed

Cartridge seal slid out through bearing housing

Rotor shaft and the seal housing bore cleaned

Tapered sleeve slid on to the shaft

Warning: This lubrication procedure requires trained personnel with PPE!

Enter the pump's hour meter reading

Did you use multi-purpose NLGI #2 grease on all lubrication fittings?

Did you ensure not to over-grease?

If the application involves extreme temperatures, consult the factory for specific lubrication recommendations

Sign off on the pump lubrication

Insert a length of brass through the port opening and in-between the rotor teeth to lock the pump and secure the shaft from turning

Bend the lock washer tang upwards

Remove lock nut and lock washer from shaft

Loosen the two (2) set screws in the face of the bearing housing and remove the bearing housing assembly from the bracket

Remove the two (2) semi-round rings under the inner spacer collar from the shaft

Mark the head and casing prior to disassembly