Blackmer Sealed Internal Gear Pump G2-82

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

G Series pumps maintained and kept clean for quick inspection, adjustment and repair work

If a pump is to be stored for more than six (6) months, has the pump been drained prior to storing?

A light coat of light oil applied to all internal pump parts to prevent corrosion

Fittings lubricated and grease applied to the pump shaft

Pump shaft periodically rotated by hand one (1) complete revolution every 30 days to circulate the oil

Fastener torque inspected before putting the pump in service after being stored

Sign off on the Sealed Internal Gear Pump Maintenance

Warning: This 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

All flush lines or barrier fluid tubes disconnected

Set screws on the seal collar loosened

Cartridge seal slid out through bearing housing

Rotor shaft and seal housing bore cleaned

Tapered sleeve slid onto the shaft

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