

The Blackmer Internal Gear Pump V2-255 is a robust and efficient pump designed for various industrial applications. Known for its reliability and performance, this model excels in handling viscous fluids, making it an ideal choice for demanding environments. Ensure optimal operation with proper maintenance and quality spare parts.
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Tensioning Guide
Belt-diagram
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Daily Electrical System Inspection
Replace Roller and Pulley
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Electrical Brothers
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Drive Motor
B2 Rollers
Tensioning System
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Blackmer Internal Gear Pump V2-255
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Cartridge Triple -Lip Seal Maintenance
Warning: This maintenance check requires trained personnel with PPE!
Disconnect all flush lines or barrier fluid tubes
Loosen the set screws on the seal collar to free the cartridge seal from the shaft
Remove the two (2) fasteners from the seal gland
Slide the cartridge seal out of the stuffing box
Clean the rotor shaft and the seal housing bore (stuffing box)
Lubricate the rotor shaft and inside diameter of the seal generously with light oil
Slide the cartridge seal over the shaft until it contacts the seal chamber face
Install the gland and nuts
Internal Gear Pump Standard Packing Maintenance
PACKING ADJUSTMENT
Newly packed pumps require initial packing adjustments to control leakage
Small initial adjustments are needed to prevent over-tightening of the packing gland
After initial startup, additional adjustments may be required
The packing should also be checked periodically and adjusted as needed
REMOVAL
Remove packing gland fasteners
Slide the packing gland along the shaft out of the stuffing box
Remove the packing
Internal Gear Pump Wedgee Packing Maintenance
Warning: Ensure wedgee packing material is chemically compatible with the liquid being pumped
Remove packing gland fasteners
Slide the packing gland along the shaft out of the stuffing box
Remove the packing rings
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
500 Hourly Internal Gear Pump Lubrication
Warning: This procedure requires trained personnel with PPE!
Enter the pump's hour meter reading
Select the type of lubrication used
Was the lubrication applied correctly without over-greasing?
Was the operation performed under extreme temperatures?
Enter any specific lubrication recommendations from the factory
Sign off on the pump lubrication
Internal Gear Pump Maintenance
Is the V Series pump clean and ready for inspection?
Is there any frictional wear on internal components of the pump?
Enter the end play adjustment value
Is the pump going to be stored for more than six (6) months?
If the pump is to be stored, follow the steps below:
Drain the pump
Apply a light coat of light oil to all internal pump parts
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
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Rotor/Shaft, ASM, V-254, A, Ductile Iron/Carbon Steel
2540-4040-121
Foot, Case, V-254/423, Carbon Steel
2540-3400-230
Valve, Spring, V-254 (75 PSI)
1330-7601-250
Gear, Idler, G/V-254, Ductile Iron
2540-5100-121
Stud, Double End, 7/16"-14 X 1-1/2", Carbon Steel/Zinc Plated
T09C438A50WA2A2
Rotor/Shaft, ASM, V-254, A, Ductile Iron/Carbon Steel
2540-4040-121
Foot, Case, V-254/423, Carbon Steel
2540-3400-230
Valve, Spring, V-254 (75 PSI)
1330-7601-250
Gear, Idler, G/V-254, Ductile Iron
2540-5100-121
Stud, Double End, 7/16"-14 X 1-1/2", Carbon Steel/Zinc Plated
T09C438A50WA2A2
Rotor/Shaft, ASM, V-254, A, Ductile Iron/Carbon Steel
2540-4040-121
Foot, Case, V-254/423, Carbon Steel
2540-3400-230
Valve, Spring, V-254 (75 PSI)
1330-7601-250
Gear, Idler, G/V-254, Ductile Iron
2540-5100-121
Stud, Double End, 7/16"-14 X 1-1/2", Carbon Steel/Zinc Plated
T09C438A50WA2A2
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