BLACKMER GX Series - User Manual

BLACKMER GX Series

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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.

Other manuals for BLACKMER GX Series

Installation, Operation And Maintenance Instructions16 pages

Questions and Answers

E
Elizabeth Jones DDSAug 16, 2025
How to troubleshoot a BLACKMER GX Power Pump that is not priming?
- J
  Jennifer Nguyen DDSAug 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.
T
Tyler Rogers MDAug 19, 2025
What to do if my BLACKMER Power Pump has reduced capacity?
- S
  Samantha LeeAug 19, 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.
S
Sherry McfarlandAug 22, 2025
How to reduce noise in BLACKMER GX Power Pump?
- W
  woodardjudithAug 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.
D
Debra CruzAug 26, 2025
What causes damaged vanes in BLACKMER GX Power Pump?
- D
  Daniel RamosAug 26, 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.
H
Heather EspinozaAug 28, 2025
Why is my BLACKMER GX experiencing mechanical seal leakage?
- J
  Jared JuarezAug 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.
H
halljacquelineAug 31, 2025
How to fix BLACKMER GX not priming?
- M
  Melissa SmithAug 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.
T
Tyler WilsonSep 3, 2025
Why is my BLACKMER GX so noisy?
- M
  mathew50Sep 3, 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.
K
Kevin MorrisonSep 6, 2025
How to prevent damaged vanes in BLACKMER GX?
- A
  Amy Olson DDSSep 7, 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.
M
Miguel JuarezSep 9, 2025
What causes a broken shaft in BLACKMER GX Power Pump?
- K
  Kimberly FowlerSep 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.
S
Stacy TateSep 12, 2025
What to do if BLACKMER GX Power Pump has mechanical seal leakage?
- J
  Jacob AlexanderSep 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.

BLACKMER GX Series Specifications

General

Brand	BLACKMER
Model	GX Series
Category	Power Pump
Language	English

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