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BLACKMER GX4B - User Manual

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BLACKMER POWER PUMPS
961222
INSTRUCTIONS NO. 101-B00
INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS
MODELS: GX2B, GX2.5B, GX3E, GX4B,
X2B, X2.5B, X3E, X4B
Section
Effective
Replaces
101
Jun 2015
Jan 2014
TABLE OF CONTENTS Page
PUMP DAT
A
Technical Data .................................................... 2
Initial Pump Start Up Information ........................ 2
INSTALLATION
Pre-Installation Cleaning ..................................... 3
Location and Piping ............................................. 3
Mounting ............................................................. 3
Coupling Alignment ............................................. 4
Gear Reducer Alignment – GX Models ............... 4
Pump Rotation .................................................... 4
To Change Pump Rotation .................................. 4
Check Valves ...................................................... 4
OPERATION
Pre-Start Up Check List ....................................... 5
Start Up Procedures ............................................ 5
Running the Pump in Reverse Rotation .............. 6
Flushing the Pump .............................................. 6
Pump Relief Valve ............................................... 6
Relief Valve Setting and Adjustment ................... 6
PUMP MAINTENANCE
Lubrication ............................................................. 7
Strainers ................................................................. 7
Vane Replacement ................................................. 8
Pump Disassembly ................................................ 8
Parts Replacement ................................................. 8
Pump Assembly ..................................................... 9
GEAR REDUCER MAINTENANCE
Gear Reducer Lubrication .................................... 11
Oil Seal Replacement .......................................... 12
Gear Reducer Disassembly ................................. 12
Gear Reducer Assembly ...................................... 12
PUMP TROUBLE SHOOTING .................................... 13
GEAR REDUCER TROUBLE SHOOTING .................. 14
NOTE: Numbers in parentheses following individual parts
indicate reference numbers on Blackmer Parts Lists.
Blackmer pump manuals and parts lists may be obtained
from Blackmer's website (www.blackmer.com) or by
contacting Blackmer Customer Service.
PUMP PUMP PARTS LIST
MODEL 2” 2.5” 3” 4”
GX
101-B01 101-B02 101-B03 101-B04
X
101-B05 101-B06 101-B07 101-B08
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 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 power pumps, and MUST be
kept with the pump.
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 pump.
Maintain ALL system and pump operation and hazard
warning decals.

Table of Contents

Other manuals for BLACKMER GX4B

Preview: Installation, Operation And Maintenance Instructions
Installation, Operation And Maintenance Instructions16 pages

Questions and Answers

  • R
    rodneycarterAug 15, 2025
    How to troubleshoot a BLACKMER GX4B that is not priming?
    • J
      Jared DelacruzAug 16, 2025
      If your BLACKMER Power Pump is not priming, several actions can be taken: * Ensure the pump is wetted. * Replace worn vanes. * Open the suction valve. * Address any air leaks in the suction line. * Clean the strainer. * Clear any clogs or restrictions from the suction line or valves. * Resolve any vapor-lock issues. * Increase the pump speed. * Inspect the relief valve for wear or seating problems.
  • J
    Jamie MontesAug 18, 2025
    What to do if my BLACKMER Power Pump has reduced capacity?
    • B
      berrymarieAug 18, 2025
      To address reduced capacity in your BLACKMER Power Pump: * Increase the pump speed. * Fully open the suction valves. * Repair air leaks in the suction line. * Reduce excessive restriction in the suction line. * Replace any damaged or worn components. * Decrease excessive restriction in the discharge line. * Check and repair the relief valve. * Make sure vanes are installed correctly.
  • G
    george08Aug 22, 2025
    How to reduce noise in BLACKMER Power Pump?
    • E
      ehudsonAug 22, 2025
      If your BLACKMER Power Pump is making unusual noises, consider the following solutions: * Reduce excessive vacuum on the pump. * Adjust pump speed for the liquid's viscosity. * Move the pump closer to the fluid source. * Make sure the discharge line is open. * Securely mount the pump. * Replace worn or damaged bearings. * Properly anchor the piping to minimize vibration. * Straighten any bent shafts or realign the drive coupling. * Replace an excessively worn rotor. * Repair any malfunctioning valves within the system. * Adjust the relief valve setting. * Replace damaged vanes. * Ensure the vanes are correctly installed.
  • M
    Mrs. Kristen WeaverAug 25, 2025
    What causes damaged vanes in BLACKMER GX4B?
    • J
      Jason KimAug 25, 2025
      To prevent damaged vanes in your BLACKMER Power Pump, consider these points: * Prevent entry of foreign objects into the pump. * Avoid running the pump dry. * Prevent cavitation. * Ensure the viscosity of the fluid is suitable for the vanes and pump speed. * Verify liquid compatibility with the pump materials. * Control excessive heat. * Replace worn or bent push rods. * Remove any settled or solidified material from the pump. * Avoid hydraulic hammer. * Ensure correct installation of the vanes.
  • J
    jacobsonmatthewAug 27, 2025
    Why is my BLACKMER GX4B experiencing mechanical seal leakage?
    • O
      ocamposAug 28, 2025
      To address mechanical seal leakage in your BLACKMER Power Pump: * Use compatible O-rings. * Replace any nicked, cut, or twisted O-rings. * Clean or replace a damaged shaft in the seal area. * Avoid over-greasing the ball bearings. * Prevent excessive cavitation. * Replace any cracked, scratched, pitted, or dirty mechanical seal faces.
  • D
    Drew ThomasAug 31, 2025
    How to fix BLACKMER GX4B Power Pump not priming?
    • S
      stanley85Aug 31, 2025
      If your BLACKMER Power Pump isn't priming, several actions can be taken. First, ensure the pump is wetted. Replace worn vanes if necessary. Make sure the suction valve is open and fix any air leaks in the suction line. Clear the strainer and any clogs in the suction line or valves. Remove any vapor-lock from the pump. Increase pump speed to help with priming, and repair or replace the relief valve if needed.
  • M
    melissaclementsSep 2, 2025
    Why is my BLACKMER Power Pump so noisy?
    • J
      Jacob GreenSep 2, 2025
      Excessive noise in your BLACKMER Power Pump can be addressed by taking several steps. Reduce excessive vacuum on the pump and adjust the pump speed. Move the pump closer to the fluid source and ensure the discharge line is not closed. Securely mount the pump and replace any worn or damaged bearings. Properly anchor the piping and align the drive coupling and shaft. Replace an excessively worn rotor and fix any malfunctioning valve. Adjust the relief valve setting, and repair or replace damaged vanes, making sure to install them correctly.
  • A
    Amber WilcoxSep 6, 2025
    How to prevent damaged vanes in BLACKMER GX4B?
    • D
      dcohenSep 6, 2025
      To prevent damage to the vanes in your BLACKMER Power Pump: Prevent foreign objects from entering the pump and avoid running the pump dry for extended periods. Also, avoid cavitation. Ensure the viscosity of the liquid is appropriate for the vanes and pump speed, and that it is compatible with the liquids being pumped. Prevent excessive heat and replace worn or bent push rods. Avoid settled or solidified material at startup, prevent hydraulic hammer, and ensure vanes are installed correctly.
  • C
    Cynthia ArcherSep 9, 2025
    What causes a broken shaft in BLACKMER Power Pump?
    • A
      Amber LewisSep 9, 2025
      A broken shaft in your BLACKMER Power Pump can be caused by several factors. Prevent foreign objects from entering the pump and ensure the viscosity of the liquid is appropriate for the pump speed. Check the relief valve operation and prevent hydraulic hammer. Align the pump and driver, replace excessively worn vanes, and avoid settled or solidified material at startup.
  • T
    Tonya GonzalesSep 12, 2025
    What to do if BLACKMER GX4B has mechanical seal leakage?
    • L
      Laura RichardsonSep 12, 2025
      If your BLACKMER Power Pump is experiencing mechanical seal leakage, consider the following: Use compatible O-rings and avoid nicking, cutting, or twisting them during installation. Inspect and clean the shaft at the seal area. Avoid overgreasing the ball bearings and prevent excessive cavitation. Inspect the mechanical seal faces for any signs of damage.

Summary

Safety Data and Warnings

General Safety Warnings

Essential safety precautions and hazard symbol explanations for pump operation and maintenance.

Electrical Safety Precautions

Warnings related to electrical hazards during operation and maintenance procedures.

Pressure and Fluid Hazards

Precautions for handling hazardous pressure and toxic fluids during pump use.

Operation Guidelines

Pre-Start Up Check List

Start Up Procedures

Step-by-step guide for safely starting and monitoring the pump.

Relief Valve Setting and Adjustment

Instructions on how to set and adjust the pump's internal relief valve.

Pump Maintenance

Scheduled Lubrication

Vane Replacement

Detailed steps for replacing worn pump vanes.

Pump Disassembly

Comprehensive guide for disassembling the pump for maintenance.

Gear Reducer Maintenance

Gear Reducer Lubrication

Oil Seal Replacement

Gear Reducer Disassembly

Gear Reducer Assembly

Pump Troubleshooting

Pump Not Priming

Common causes and solutions for the pump failing to prime.

Reduced Capacity

Troubleshooting steps for pumps experiencing low output.

Noise Issues

Damaged Vanes

Broken Shaft

Mechanical Seal Leakage

Gear Reducer Troubleshooting

Noise and Vibration

Diagnosing and fixing noise and vibration in the gear reducer.

BLACKMER GX4B Specifications

General IconGeneral
ModelGX4B
Max. Working Pressure150 PSI
MaterialCast Iron
Seal TypeMechanical Seal
Maximum Pressure150 PSI
Operating Temperature-25°F to +225°F (-32°C to +107°C)
Drive TypeDirect
RotationClockwise

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