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BLACKMER LGF1E - User Manual

BLACKMER LGF1E
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BLACKMER POWER PUMPS
960400
INSTRUCTIONS NO. 501-A00
INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS
MODELS: LGF1E, LGB1E, LGF1PE, LGB1PE
Section
Effective
Replaces
501
Aug 2014
Jan 2014
TABLE OF CONTENTS Page
PUMP DATA
Technical Data ...................................................... 2
Initial Pump Start Up Information ........................... 2
INSTALLATION
Pre-Installation Cleaning ....................................... 3
Location and Piping ............................................... 3
Pump Relief Valve and Bypass valve .................... 3
Check Valves ........................................................ 4
Mounting ............................................................... 4
Motor Adaptors ...................................................... 4
Coupling Alignment ............................................... 4
Pump Rotation....................................................... 4
To Change Pump Rotation .................................... 4
OPERATION
Pre-Start Up Check List ......................................... 5
Start Up Procedures .............................................. 5
Relief Valve Setting and Adjustment ..................... 5
MAINTENANCE
Strainers ................................................................... 6
Lubrication ................................................................ 6
Vane Replacement ................................................... 7
Pump Disassembly .................................................. 7
Parts Replacement ................................................... 8
Pump Assembly ....................................................... 8
TROUBLE SHOOTING ................................................. 11
Numbers in parentheses following individual parts indicate
reference numbers on Blackmer Parts List No. 501-A01.
Blackmer pump manuals and parts lists may be obtained from
Blackmer's website (www.blackmer.com) or by contacting
Blackmer Customer Service.
SAFETY DATA
This is a SAFETY ALERT SYMBOL.
When you see this symbol on the product, or in the manual,
look for one of the following signal words and be alert to the
potential for personal injury, death or major property
damage
Warns of hazards that WILL cause serious personal injury,
death or major property damage.
Warns of hazards that CAN cause serious personal injury,
death or major property damage.
Warns of hazards that CAN cause personal injury
or property damage.
NOTICE:
Indicates special instructions which are very
important and must be followed.
NOTICE:
Blackmer liquefied gas pumps MUST only be
installed in systems which have been designed by
qualified engineering personnel. The system MUST
conform to all applicable local and national
regulations and safety standards.
This manual is intended to assist in the installation
and operation of the Blackmer liquefied gas pumps,
and MUST be kept with the pump.
Blackmer liquefied gas pump service shall be
performed by qualified technicians ONLY. Service
shall conform to all applicable local and national
regulations and safety standards.
Thoroughly review this manual, all Instructions and
hazard warnings, BEFORE performing any work on
the Blackmer liquefied gas pumps.
Maintain ALL system and Blackmer liquefied gas
pump operation and hazard warning decals.

Table of Contents

Questions and Answers

  • O
    Olivia HendrixAug 12, 2025
    How to prime BLACKMER LGF1E Power Pump?
    • S
      Sarah JuarezAug 12, 2025
      To prime your BLACKMER Power Pump, try the following: ensure the pump is wetted, replace worn vanes, open the internal control valve, clean or replace the clogged strainer, clear the inlet line or valves, resolve any vapor lock issues, increase the pump speed for priming, and service or replace the relief valve.
  • D
    Daniel MurrayAug 18, 2025
    Why is my BLACKMER Power Pump capacity reduced?
    • K
      Kelly RossAug 18, 2025
      If your BLACKMER Power Pump has reduced capacity, consider these solutions: increase the pump speed, fully open the internal control valve, reduce any restrictions in the inlet line, replace damaged or worn parts, clear the discharge line to alleviate excessive restriction, service the relief valve, adjust the external bypass valve, install a vapor return line, and ensure the vanes are installed correctly.
  • M
    Mrs. Jennifer SimpsonAug 23, 2025
    How to reduce noise from BLACKMER LGF1E?
    • R
      rebeccahicksAug 23, 2025
      To reduce noise from your BLACKMER Power Pump, you can try the following: correct undersized or restricted fittings, reduce the pump speed, move the pump closer to the fluid source, mount the pump securely, properly align the pump and motor, replace worn or damaged bearings, anchor the piping properly, straighten any bent shafts, replace excessively worn rotors, fix any malfunctioning valves, adjust the relief valve setting, and replace damaged vanes.
  • J
    jacksonjamesAug 29, 2025
    What to do if BLACKMER LGF1E motor is overloaded?
    • C
      Christopher ShepherdAug 29, 2025
      If your BLACKMER Power Pump motor is overloaded, consider these actions: use sufficient motor horsepower for the application, correct the wiring and ensure adequate voltage to the motor, align the components, manage excessive pressure or speed, adjust the bearing locknuts properly, replace faulty or worn bearings, ensure the rotor does not rub against the head or cylinder, and clean the mechanical seal faces.
  • M
    mgarciaSep 4, 2025
    Why is my BLACKMER Power Pump mechanical seal leaking?
    • C
      cooperbenjaminSep 4, 2025
      If the mechanical seal of your BLACKMER Power Pump is leaking, try these solutions: use compatible O-rings, replace any nicked, cut, or twisted O-rings, repair or replace any damaged, worn, or dirty shafts, avoid overgreasing the ball bearings, minimize excessive cavitation, and replace any cracked, scratched, pitted, or dirty mechanical seal faces.

BLACKMER LGF1E Specifications

General IconGeneral
BrandBLACKMER
ModelLGF1E
CategoryPower Pump
LanguageEnglish

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