Blackmer Internal Gear Pump V2-55

Warning: Protect the idler gear from falling as it may become loose during removal of the head

Remove the screws that hold the head to the casing

Remove the head from the pump using either jacking screws or prying bar

Remove the idler gear and bushing assembly

Loosen the six (6) mounting fasteners that hold the RBS to the casing or adapter plate

Carefully remove the rotor/shaft assembly

For 55, 133 and 254 size pumps, remove the screws that hold the adapter plate to the casing and remove the adapter plate

For 133, 254 and 423 size pumps, remove the thrust washers from the rotor/shaft assembly and rotor bearing sleeve assembly

Warning: This procedure requires trained personnel with PPE!

Seal pre-lubricated with Magnalube high-temperature grease?

All flush lines or barrier fluid tubes disconnected?

Set screws on the seal collar loosened?

Two (2) fasteners from the seal gland removed?

Cartridge seal slid out of the stuffing box?

Rotor shaft and the seal housing bore cleaned?

Warning: Use multi-purpose NLGI #2 grease on all lubrication fittings every 500 hours of operation

Warning: Applications involving extreme temperatures (high or low) may require other types of lubrication

Consult factory for specific lubrication recommendations

Enter the current hours of operation

Was the lubrication successful?

Sign off on the lubrication process

Warning: Ensure wedgee packing material is chemically compatible with the liquid being pumped

Slide the packing gland along the shaft out of the stuffing box

Remove the two-piece wedge seal

Remove packing retaining washer

Install packing retaining washer into the stuffing box sliding over the shaft

Install the male component of the two-piece wedge seal by spreading apart at the split and slipping over the shaft

Install the female component of the two-piece wedge seal so that both parts fit together like a single unit

Warning: Maintenance should be performed by trained personnel only.

Is the V Series pump clean and ready for inspection?

Is there any frictional wear on internal components of the pump?

If there is frictional wear, adjust the end play to improve pump performance.

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

If the pump is to be stored, drain the pump and apply a light coat of oil to all internal parts to prevent corrosion.

Also, lubricate the fittings and apply grease to the pump shaft.

Rotate the pump shaft by hand one (1) complete revolution every 30 days to circulate the oil.

Are the fastener torque inspected before putting the pump in service after being stored?