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Sliding Vane Pumps: 5 to 2200 GPM 

Refined Fuels, Liquefied Gases, Solvents,Process

Stainless Steel Sliding Vane Pumps 

1 to 265 GPM:  Acids, Brines, Sugars, Syrups, 

Beer, Beet Juice, Cider, Flavor Extracts, etc. 

System One

®

 Centrifugal Pumps 

10 to 7500 GPM; Process, Marine 

Magnetic Drive Pumps 

Stainless Steel:  14 to 215 GPM 

HXL 6, 8 & 10” 
Sliding Vane Pumps 

130 to 2,220 GPM 

Refineries 
Terminals 
Barges 
Ships 

Reciprocating Gas Compressors 

Liquefied Gas Transfer, Boosting, Vapor Recovery 

Hand Operated Pumps 

Dispensing, Transfer, In-line 

Accessories 

Gear Reducers, Bypass Valves, Strainers

 

Visit  

www.blackmer.com

  for complete information on all Blackmer products 

1809 Century Avenue, Grand Rapids, Michigan 49503-1530 U.S.A. 

Telephone: (616) 241-1611  •  Fax: (616) 241-3752 

E-mail:  [email protected]    •    Internet Address:  www .blackmer.com

Summary of Contents for GNX2.5A

Page 1: ...Blackmer Customer Service PUMP PUMP PARTS LIST MODEL 2 2 5 3 4 GNX H 101 C01 101 C02 101 C03 101 C04 SAFETY DATA This is a SAFETY ALERT SYMBOL When you see this symbol on the product or in the manual...

Page 2: ...without guard in place Hazardous pressure can cause personal injury or property damage PUMP DATA PUMP IDENTIFICATION A pump Identification tag containing the pump serial number I D number and model de...

Page 3: ...g For viscosities greater than 1000 SSU consult the strainer manufacture instructions Strainers must be cleaned regularly to avoid pump starvation 4 The intake system must be free of air leaks 5 Expan...

Page 4: ...disconnect and lockout electrical power or engine drive before attempting maintenance can cause severe personal injury or death Hazardous machinery can cause serious personal injury Motor adapters all...

Page 5: ...o the face of the splined shaft and record that measurement as A in the equation below 2 Measure depth of coupling engagement zone and record the measurement as B in the equation below 3 Add A B and s...

Page 6: ...5 mm R38 42 0 12 3 0 mm R48 0 14 3 5 mm R65 0 18 4 5 mm R90 0 22 5 5 mm PUMP ROTATION A right hand pump rotates clockwise with the intake and relief valve on the right side when viewed from the drive...

Page 7: ...shaft easily pull out increase the shim thickness the same at all locations and recheck 3f If the shims furthest from the motor shaft easily pull out decrease the shim thickness the same at all locati...

Page 8: ...d motor 5 Check the flow rate to ensure the pump is operating within the expected parameters Record flow rate in the Initial Start Up Information section 6 Check the pressure setting of the relief val...

Page 9: ...ction lift may cause cavitation Partial closing of the discharge valve WILL result in internal relief valve chatter and is NOT recommended For these applications install an external system pressure co...

Page 10: ...ile the pump is running NOTICE The inboard bearings of GNX H models shipped without the gear reducer attached are NOT greased at the factory The inboard bearing MUST be greased after installation of t...

Page 11: ...lockwashers 24B To remove a Bend up the engaged lockwasher tang and rotate the locknut counterclockwise to remove it from the shaft b Slide the lockwasher off the shaft Inspect the lockwasher for dama...

Page 12: ...ft fully into the cylinder d Install the remaining vanes into the top positions of the rotor Rotate the shaft by hand to engage the drive tangs of the mechanical seal jacket in the rotor slots 9 Apply...

Page 13: ...r with the pump shaft 16 Install the Adapter screws 20C into the inboard head and torque to 23 ft lbf 17 RELIEF VALVE ASSEMBLY a Insert the valve 9 into the relief valve bore of the casing with the fl...

Page 14: ...ake windings to verify the integrity of the winding insulation and inspect all terminal box openings and wire connection areas to verify that all components are dry and free of corrosion Long Term Sto...

Page 15: ...l with EP Additive PAO Synthetic Polyalphaolefin Oil PAO EP Synthetic Polyaphoalefin Oil with EP Additive FG Food Grade Oil Figure 10 Standard Gearbox Orientation NOTICE The Ambient Temperature is int...

Page 16: ...h a closed discharge line 3 Pump not securely mounted 4 Bearings worn or damaged 5 Vibration from improperly anchored piping 6 Bent shaft or drive coupling misaligned 7 Excessively worn rotor 8 Malfun...

Page 17: ...101 C00 Page 17 20 GEAR REDUCER TROUBLESHOOTING NOTICE Maintenance shall be performed by qualified technicians only following the appropriate procedures and warnings as presented in this manual...

Page 18: ...101 C00 Page 18 20 This page intentionally left blank...

Page 19: ...101 C00 Page 19 20 This page intentionally left blank...

Page 20: ...215 GPM HXL 6 8 10 Sliding Vane Pumps 130 to 2 220 GPM Refineries Terminals Barges Ships Reciprocating Gas Compressors Liquefied Gas Transfer Boosting Vapor Recovery Hand Operated Pumps Dispensing Tra...

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